Craig McCaw to Resign as Clearwire Chairman - WSJ.com

Craig McCaw is leaving the board of Clearwire Corp., resigning his position as chairman of the company he founded. It isn't clear what significance the move might have.

McCaw has not be active at the company for some time, it appears. McCaw's Eagle River Holdings LLC still holds a four-percent stake in the company. But that is no longer very significant. Google owns about three percent. Clearwire owns about 14 percent.

Intel owns about 11 percent. Time Warner Cable, Comcast and Brighthouse own ab out 15 percent between them.

Sprint holding 57 percent ownership, though the terms of its ownership agreement deny it control.

Clearwire's national network plan remains less than fully funded, and the company has enough cash to get it through the year, but obviously additional capital will have to be raised. Some continue to believe that Sprint will ultimately wind up owning the whole company. Most probably have believed all along Clearwire would ultimately be sold, one way or the other.

Whether McCaw's departure means anything special is impossible to determine, at this point. But all three Sprint executives resigned their seats earlier in 2010, a move that most observers thought was an indication of change.

Most executives in the wireless business would agree that one fewer national providers of 4G service would not be a bad thing, given the wireless market's maturation, as well as the existence of no less than five national 4G or 4G-speed networks.

Just about any way one looks at it, the Clearwire-Sprint relationship is complicated and unstable.

http://investors.clearwire.com/phoenix.zhtml?c=198722&p=irol-sec

Clearwire 4G Active in Denver?

Now this is a pleasant shock. Clearwire's 4G network seems to up and running in central Denver. There has been no announcement that I am aware of, and, in fact, Clearwire has said it would delay Denver construction, as I recall.  But there it is: I am getting a live 4G signal on my Evo. Marvelous.


Since it is rumored that Sprint and Clearwire are in disagreement about whether Sprint should actually be paying Clearwire for service it is unable to provide, the signal activation implies to me that Clearwire and Sprint have reached agreement, at least in Denver.

Sprint says it has 810,000 customers with 4G handsets in areas that have not yet been lit up with WiMAX 4G, yet Sprint still has to pay for those customers, to the tune of about 4.46 per customer, reports indicate.

The more interesting question is how much of Denver already has radios in place, powered up and ready to go. Clearwire originally had been planning to light up the 4G network by the end of 2010, and then backed off. Apparently there are enough Sprint customers in Denver that the lost revenue is more painful than the cost of operating the retail network.

Clearwire Issues "Going Concern" Warning

As required by law, Clearwire has filed an "on-going concern" statement with the Securities and Exchange Commission.

"Our ability to continue to operate our business is substantially dependent on our ability to raise additional capital in the near term," the SEC filing (10Q) says.  "Our expected continued losses from operations and the uncertainty about our ability to obtain sufficient additional capital raise substantial doubt about our ability to continue as a going concern."

The filing notes that during the first nine months of fiscal 2010, Clearwire incurred $1.55 billion of net losses. The company consumed $840.8 million of cash in operating activities and spent $1.96 billion for capital expenditures.

"As of September 30, 2010, we had available cash and short-term investments of approximately $1.38 billion," Clearwire said. "Based on our current projections, we do not expect our available cash and short-term investments to be sufficient to cover our estimated liquidity needs for the next twelve months."

That's why Clearwire has been out looking for debt, equity or spectrum sales for financing. "Without additional financing sources, we forecast that our cash and short-term investments would be depleted as early as the middle of 2011."

"Thus, we will be required to raise additional capital in the near-term in order to continue operations. Further, we also need to raise substantial additional capital over the long-term to fully implement our business plans," the filing says.

read the whole filing here

Sprint Will be Shutting Down a Network, But it is iDEN

Sprint and Clearwire have been testing Long Term Evolution as an air interface using fallow spectrum. obviously raising questions about whether Sprint Nextel and Clearwire might ditch WiMAX for LTE.

Sprint CEO Dan Hesse says the only networks that are slated for replacement at some point are Sprint Nextel's legacy networks, ranging from iDEN, used for the Nextel part of the operation, to the older second-generation and third-generation networks Sprint also supports.

LTE isn't necessarily on Sprint's roadmap, Hesse says, though it is conceivable Sprint Nextel might be interested in supporting dual-mode "WiMAX-plus-LTE handsets.

It is a simple fact that each generation of mobile networks gets replaced, about every 10 years, though the transition periods can last longer. Hesse notes that “2G will eventually come to an end; CDMA will come to an end; GSM will come to an end and iDEN will come to an end.”

“Over time, as fewer customers are using our 2G networks, we can use that spectrum for the CDMA/EVDO network.” Even the current iDEN spectrum might eventually be switched over to support CDMA and EVDO on that band of frequencies, especially to support voice services.

read more here

Sprint Board Members Depart Clearwire

Sprint Nextel Corp. executives serving on the Clearwire Corp. board of directors have left the board, the Wall Street Journal reports.

Sprint Chief Executive Dan Hesse and fellow executives Keith Cowan and Steven Elfman have resigned from the Clearwire board. A spokeswoman for Sprint said the company plans to appoint independent successor directors in the next few months. In the meantime, Sprint has named its general counsel, Charles Wunsch, as an independent observer to the Clearwire board.

Clearwire said that the resignations were prompted by recent changes in antitrust laws, but the move could also could provide Clearwire added flexibility to pursue a deal of some sort that might bring T-Mobile USA into Clearwire as an equity owner, for example.

On the other hand, some speculate that Sprint might also have an opportunity to increase its stake, as other shareholders such as Comcast Corp. have signaled they are unwilling to provide additional funding Clearwire requires. A move of that sort might not require a greater arms length relationship with Clearwire, though.

Clearwire said the move came "out of an abundance of caution to address questions raised by Clearwire

Clearwire's board structure allows for 13 members, seven of which Sprint has the right to appoint. The remaining four independent Sprint appointees to the Clearwire board remain.

Since Clearwire and Sprint compete at the retail level, the current board membership has proven awkward, observers note.

In some ways, it is hard to see any long-term solution that does not have Sprint acquiring a larger stake in Clearwire. Whether a firm the size of Sprint can live, long term, with buying its crucial 4G services from a firm it also competes with is open to question.

Sprint Nextel also faces the complexity of operating several different air interface networks (iDEN, CDMA and WiMAX). Those problems are not directly related to the size or control of the Clearwire network, but could become even more complicated if Sprint adds Long Term Evolution services at some point.

Will T-Mobile Invest in Clearwire?

Though Clearwire already has gotten about $5 billion in investment, but likely needs another $4 billion to complete its national network.

Credit Suisse analyst Jonathan Chaplin estimates Clearwire will need another $4 billion to extend coverage to the 200 million people they plan to reach by the end of 2011.

That is the biggest carrot for Clearwire: it needs cash, and T-Mobile could provide some of it.

Though Sprint might have qualms about enabling a competitor, Verizon and AT&T, not T-Mobile, is the big problem.

When Sprint and Clearwire merged their networks, Sprint invested $1.2 billion in the venture. Comcast and Time Warner invested a total of $1.6 billion, and they now market Clearwire's service under their own names.

Intel put in an additional $1 billion on top of the $660 million they had invested in Clearwire earlier.

Google invested $500 million and cable operator Bright House Networks kicked in $100 million.

Whether Clearwire gets T-Mobile USA as an investor or not, nothing is going to keep T-Mobile USA from finding some way to provide 4G services. The lesser of the two evils might be to allow T-Mobile USA to invest in, and use, the Clearwire network.

No Jitter | blog | T-Mobile May Invest in Clearwire

Clearwire "Rover": Marketing is the Chief Innovation

Clearwire's new "Rover" prepaid mobile broadband service is ultimately about marketing success, rather than any innovation in the physical or network realm.

Perhaps the most-significant aspect of the plan is not so much the "prepaid" angle but the attempt to create a new "lifestyle" brand aimed at the 18-to-24 demographic.

"Rover" will be available anywhere Clearwire offers service, but the distinctiveness of the service does not lie in its use of mobile Wi-Fi hotspots (other carriers already sell them), or even speed, as Clearwire already sells mobile broadband on a postpaid basis.

Prepaid availability is the bigger story, as well as the range of options offered. The $5 a day and $20 a week plans will tend to stand out in a market that basically relies on two postpaid or prepaid buckets, differentiated mostly by the price and the bandwidth caps each uses.

Some might argue the "4G" network is what makes it different, and there is some truth to that position, though the distinctiveness will not last much longer, as Verizon Wireless plans to launch its own 4G network later in 2010, and AT&T likely will launch in 2011. Also, to the extent "speed" is seen as the differentiator, even T-Mobile USA's HSPA+ network is going to offer speeds so close to Clearwire's typical downlink speeds that "4G," in and off itself, might not offer as much differentiation as it once did.

In an effort to create the new brand, Clearwire is positioning the service using the www.evology.com site that will try and create a  "Life @ 4G" image.

Rover-sponsored athletes and music artists will be profiled, showing how Rover influences their careers and lives as they live "Life @ 4G." Sporting a Rover wingsuit, base jumper JT Holmes, who travels up to 150 mph during freefall proximity flying, lives life with the Rover Puck and no strings attached.

Rover also will introduce a badging system that rewards users for participating in Rover activities. For example, the "Trendsetter" badge recognizes early adopters of Rover in each market, and the "Friends with Benefits" badge acknowledges users who refer friends to the Rover service. Badges have become wildly popular on location-based apps and are expected to resonate with the youth consumer and motivate usage.

Rover is about marketing prowess, not some fundamental new network feature, pricing breakthrough, user interface or payment plans.

Clearwire Introduces "Rover" Prepaid Mobile Broadband Service

The service is aimed at the 18 to 24 age demographic and features "no-contract" service.

Clearwire to Launch Prepaid Services

Clearwire plans to launch a new prepaid service for users of its WiMAX fourth-generation (4G) network. The apparent effort likely will attempt to entice more-casual users to buy service before competing HSPA+ and Long Term Evolution networks launch and basically eradicate the bandwidth advantage Clearwire has had since 2008.

http://sec.gov/Archives/edgar/data/1442505/000095012310081459/v56755e8vk.htm

Verizon Thinks Customers Will Pay a Premium for LTE Access

Verizon Wireless executives beleive they will be able to charge customers a premium for access to the new Long Term Evolution network. John Killian, Verizon Communications CFO, says the company has said in the past, and continues to believe, that consumers will pay a premium for LTE quality and premium speed.

(Click on image for larger view)

Others are not so sure. But one way of describing the potential impact  is to look at Clearwire net additions in the second quarter of 2010.

As of June 30, 2010, 52 percent of the company's wholesale subscribers resided outside of Clearwire's currently launched markets, Clearwire says. That's the impact of revenues paid by Sprint Nextel HTC Evo users who live in areas where all they can get is 3G network access.

Of course, that is an indirect indicator, as the net additions were driven by consumer demand for the Evo device, which does require an additional $10 a month payment--not directly for the 4G network, Sprint is quick to point out.

Still, now having had a chance to use the 4G and 3G networks Sprint and Clearwire operate, there is a clear latency advantage for the 4G network, which should be experienced on the Verizon LTE network as well. Sites load noticeably faster on 4G than they do using the 3G network.

Killian says Verizon Wireless LTE speeds will be eight times to 10 times the speed of the 3G network. If that turns out to be true, and there is every reason to believe it will be, consumers likely will make the same value-price decisions they already make for fixed service, namely that there is an expectation higher speed costs more than lower speeds.

Devices also will make a difference, though. Obviously, enough people thought the Evo was worth buying that a $10 a month surcharge did not seem to deter many of the earlier adopters. And though the surcharge is not specifically related to 4G access, more than half of Clearwire's wholesale net adds (Sprint is a wholesaler) were from customers unable to get access to the 4G network immediately.

That is more a test of Evo demand than 4G, but it is illustrative. Consumers might well value faster mobile broadband enough to pay more, especially when bundled with attractive new devices.

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Clearwire LTE Plans Won't Be Long In Coming

Clearwire and Sprint Nextel have been dropping clear hints that Clearwire could adopt Long Term Evolution as an air interface, either alongside its existing WiMAX network or as an eventual replacement.

Since the U.S. wireless industry has been through technology transitions before, it isn't hard to suggest how it might happen, and when. Companies have had to make transitions from one air interface to another within a single generation of technology, as well as migrating customers from an older generation to a new generation.

Where one air interface is switched out in favor of another within a technology generation, the trick is to add all new customers to the new interface while allowing the legacy base of customers to dwindle through attrition. At some point, the old network then can be shut down without undue disruption.

Where an older generation network is replaced by a next-generation network, additional spectrum also is required. If Clearwire wants to shift air interfaces within the fourth generation, it would maintain current customers on WiMAX, while creating a new LTE network alongside WiMAX, signing up new customers on LTE, and allowing WiMAX customers to gradually shrink through attritiion.

That suggests Clearwire will not want to wait too long, as it will want to limit the number of WiMAX customers it has to support while the LTE network is populated with customers.

As an operational matter--and there are other issues to consider--moving sooner is better than moving later, especially given the larger number of customers now coming onboard on the WiMAX network because of the popularity of the Evo.

On the other hand, abrupt action is not required, or even preferable, as the practical details of interworking between LTE and WiMAX, in the core of the network, will have to be proven, in a full deployment mode.

Handset suppliers will also need some time to ready suitable handsets that interwork, as devices now can use either the 2G and 3G networks, or 3G and 4G networks. Alternatively, Clearwire could encourage single-network devices.

With most consumers on two-year contracts, and a natural handset replacement cycle that runs two to three years, customers can be moved to LTE as they replace their current WiMAX devices.

The point is that Clearwire has plenty of spectrum, and industry executives have lots of experience with technology transitions. It will take some planning, and some time, but it is a normal and expected part of the business that air interfaces and networks are changed, at least every 10 years, and sometimes sooner, for other business reasons.

LTE Tests Signal Clearwire Is Serious

Clearwire Announces LTE Tests

The other shoe has not yet formally dropped, but Clearwire now says it will conduct Long Term Evolution tests across its network, including both tests of frequency division and time division versions of LTE, plus the ability of LTE air interface technologies to coexist harmoniously with the existing WiMAX air interface already in use.

The tests do not definitively confirm a partial switch to LTE, but are a concrete bit of evidence that LTE will be part of Clearwire's future.

Clearwire intends to conduct FDD LTE (Frequency Division Duplex) tests using 40 MHz of spectrum, paired in 20 MHz contiguous channels, of its 2.5 GHz spectrum. Clearwire expects to confirm the capability to produce real-world download speeds that range from 20 Mbps to 70 Mbps. This is expected to be significantly faster than the 5 Mbps to 12 Mbps speeds currently envisioned by other LTE deployments in the U.S., which will rely on smaller pairs of 10 Mhz channels or less.

Clearwire will concurrently test TDD LTE (Time Division Duplex), in a 20 MHz configuration, which is twice the channel size currently used in its 4G WiMAX deployments.

Clearwire will also test WiMAX co-existence with both FDD LTE and TDD LTE to confirm the flexibility of its network and spectrum strength to simultaneously support a wide-range of devices across its all-IP network.

My own anecdotal experience with Clearwire's network is that, as you would expect, 4G is faster than 3G. But I have to say my experience also points out how much end user application latency is to be found elsewhere in the delivery ecosystem, such as the far-end servers. I also would observe that the 4G network signal seems more fragile than the 3G signal. Even in areas with both 4G and 3G available, the 4G often loses enough signal strength that my smartphone defaults back to 3G.

I'm not complaining, just noting that, as with many earlier increases in access bandwidth, faster is better, up to a point. If nothing else, having more access bandwidth simply points out latency elsewhere in the ecosystem.

Clearwire

Clearwire Appeals for iPad, iPhone, iPod Touch Users

Clearwire now offers an "iSpot" access device that allows users of Apple iPad, iPod Touch and iPhone users to use the iSpot Wi-Fi connection instead of the AT&T network. The $29 iSpot uses the Clearwire mobile network to create a mobile hotspot.

The iSpot "On-the-Go" service provides unlimited data usage for $25 a month.

Will Clearwire Make its 2010 Buildout Goals?

Summer normally is the time of year when landline and wireless construction gets into really high gear. In Clearwire's case, it had better.

Clearwire is racing to add coverage and win customers before Verizon unveils out LTE network in the fourth quarter of this year. At the moment Clearwire might be only half way to meeting its 2010 timetable.

Some of us are anxious for Clearwire to meet its goals, on time. Clearwire might be even more motivated, as the spectrum and speed advantage the company has held over all its other major competitors will be coming to an end relatively soon.

Verizon's LTE network is supposed to be lit, covering 100 million people with Verizon's own fourth-generation network, and taking away much of Clearwire's marketing advantage.

Clearwire isn’t Even Halfway to its 4G Coverage Goals

U.S. Wireless Spectrum to Double?

The amount of wireless spectrum available in the United States would nearly double over the next 10 years as the federal government prepares to gradually auction 500 megahertz of federal and commercial spectrum.

In past decades, new spectrum auctions have been the foundation for potential assaults on industry structure, allowing new contestants to enter the market. Whether that will be the case in the forthcoming auctions remains to be seen.

Clearwire and Sprint have plenty of spectrum, while AT&T and Verizon Wireless are launching new Long Term Evolution networks that are far more spectrally efficient than the third generation networks they will supplement and then replace.

T-Mobile USA needs more 4G spectrum, but probably cannot afford to buy new licenses. The issue is whether any truly-new contestants are willing to take a chance on disrupting the business.

Gov't plans to double available wireless spectrum - Yahoo! News

Will Sprint Buy the Rest of Clearwire?

TownHall Investment Research Analyst Gerard Hallaren says Sprint management has made comments that leading some investors to believe the company iss actively considering a bid for the rest of Clearwire.

"As best we can tell, the speculation is based on a perceived desire by Sprint control its own destiny by owning its 4G network and on synergies created by combining the two companies," says Hallaren.

Some people will contest the notion, as it flies directly against the rest of Sprint's recent initiatives to outsource operations that are not directly customer facing, and concentrate on marketing and customer-facing operations. It is worth noting, however, that Sprint has not acted to divest its actual ownership of facilities, with the exception of tower sites.

The Sprint "4G" marketing platform seems to be getting a lift from the HTC Evo launch, and that appears to be prompting the speculation about whether full ownership of Clearwire (Sprint now owns 57 percent) would add value.

Despite some possible strategic logic, namely the ability to use the Clearwire network anyway it wishes to, there would be obstacles.

Given Sprint's weak financial position, a dilutive equity deal would be required. Hallaren suggests a reverse takeover might be considered.

One issue is that the other Clearwire joint venture partners bought most of their stock at far higher levels, around $17, or $10 higher than the current price.

The public owns only 10 percent of Clearwire, while Intel (11 percent) and Comcast (nine percent) are the largest holders after Sprint. Time Warner owns five percent, Google three percent, Brighthouse one percent, Eagle River four percent.

Perhaps the bigger issue is the different business models. Clearwire is mostly a wholesale provider, though it has some retail operations. Sprint really is a retailer with some wholesale operations. It isn't clear how much more Sprint benefits from increasing its 57-percent stake.

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Sprint May Throttle Heavy Roaming Users

Sprint Nextel Corp. says laptop customers using an excessive amount of mobile data while roaming could have their accounts temporarily suspended, though the carrier still doesn't plan to limit the wireless connection for its high-volume smartphone customers, the Wall Street Journal reports.

The key issue here is heavy roaming use, off the core Sprint network, and the primary reason appears to be that Sprint obviously incurs direct incremental costs when users are on partner networks.

Sprint is changing its policies for data service for laptops users with mobile broadband cards or USB modems will not apply to smartphones.

Sprint already has a cap of 5 gigabytes of data usage within the network, and 300 megabytes of roaming data. Starting July 11, excessive data roaming by mobile laptop users could lead to Sprint suspending the off-network service until the customer's next billing cycle, unless the customer opts into a plan with extra charges for off-network usage.

Sprint says it will notify broadband customers by text message or email when they hit 75 percent and 90 percent of the roaming data limit. The plans include 5 cents per megabyte on the Sprint network and 25 cents when roaming.

The threat of suspension doesn't apply to usage on Sprint's 3G network or the 4G network run by partner Clearwire Corp., says Sprint spokesman Mark Elliott. "Sprint does not, nor plan to limit speeds, nor change a customer's ability to use any particular application or Internet site."

Analysts are expecting an industry-wide shift to control the amount of data traffic consumed by users, so the Sprint move is not unexpected, though Clearwire continues to say it will not cap data usage.

The issue is whether the new move will complicate Sprint's "simplicity" and "simply everything" marketing message.

T Mobile USA already has in place policies to throttle users who exceed the 5 gigabyte monthly cap. AT&T has adopted new caps of 200 megabytes and 2 gigabytes.

Verizon Wireless has not yet made any specific announcements about changes.

Is Clearwire's Future as a Wholesaler?

Clearwire today is partly a retailer of services under its own name, and a major retailer of spectrum services to cable companies and Sprint. But one wonders, given its continuing capital needs, and the existence of at least one major mobile provider that desperately needs new fourth-generation spectrum (T-Mobile USA) whether Clearwire will not ultimately find it is primarily or exclusively a wholesale provider of 4G spectrum.

Comcast, Intel, Time Warner Cable, Google and Bright House Networks are minority investors while Sprint is the majority owner.

A research note from Credit Suisse evaluates the value of mobile satellite spectrum of the sort Harbinger Capital has been touting as the basis for a brand-new U.S. Long Term Evolution network, as being worth something on the order of $0.50 per MHzPOP. That evaluation apparently is derived from prices paid in 2006 for AWS spectrum that mobile providers now are using.

If those prices are sustainable in today's marketplace, then Clearwire might well be sitting on spectrum worth about $20 billion, Business Week has suggested. Some think it might be worth more.

read the Business Week story here

For Clearwire, much is riding on whether its strategy of buying up some 85 percent of the U.S. 2.5-GHz spectrum band will pay off.

The $5 billion Clearwire will pay its license holders for its spectrum over the next three decades is a bargain compared to what its rivals are paying. AT&T and Verizon bought their spectrum that can be used for 4G at government auction in 2008, paying a combined $16 billion, though many would argue those allocations, at much-lower frequencies, have propagation characteristics so much better that the premium is worth paying.

An unfunded business plan also remains an issue. At its current rate of spending, Clearwire will burn through its cash in 2011, according to Steve Clement, an analyst at Pacific Crest Securities. Clearwire may need $3.8 billion more to reach its goal of building a network that covers 270 million people, Clement says.

Clearwire now has about one million subscribers, double what it had in 2009. It added 283,000 net new subscribers in the first quarter, compared with 133,000 new customers in the previous quarter.

But even that rate of growth is unlikely to get Clearwire close to players such as Verizon Wireless, which had 93 million customers or so in the first quarter, out of 286 million total subscribers. Verizon has 31 percent of the market; AT&T has 25 percent; Sprint and T-Mobile USA both have 12 percent of the market.

Even at five million subscribers, Clearwire would still have only about 1.5 percent to two percent of the U.S. market, by the time it reaches that level, in two years, perhaps, assuming the overall market grows over the next two years about as much as it has been this year, and if Clearwire's growth accelerates.

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Clearwire Says It Has 3 Customer Segments

Clearwire says three customer segments already have emerged for the firm's fourth-generation wireless network. "A Clear customer is often a cord-cutter," says Clearwire CEO Bill Morrow. "This customer has a mobile phone, but no fixed line phone in the house." That customer fits the profile of an on-the-go user that wants broadband available outside the house.

"They also probably don't have cable TV service," he says, and tend to substitute Hulu, YouTube or other video sites for TV. It probably goes without saying that this sort of customer is single and younger, without children.

The "cable customer," on the other hand, "can't cut his Internet connection at home," says Morrow. That is because this second sort of customer has a family sharing a single at-home video entertainment connection, as well as a broadband Internet access connection.

In this segment, the 4G wireless service is part of a triple play package.

The third segment consists of mobile customers served by Sprint that wants to add a broadband access service for PCs and other devices, and for whom the convenience of having both mobile phone and broadband access services on the same bill, provided by one carrier, is valuable.

"When you go into the market you see all these different customer segments and it's easy to see that you can get more subscribers in total by marketing to different groups instead of just having one brand," says Morrow.

Clear customers do use much more bandwidth than the typical 3G user, though. "We're finding that customers are using on average 7 GBytes of data per month on our service," says Morrow. "The average amount of data a 3G subscriber uses a month is about 1 GByte to 2.5 GBytes a month.

It is not certain why this is the case. It could be that heavy users are attracted to the unlimited access, with no monthly caps. It could be that knowing there is no cap motivates usage, as broadband leads users to consumer more data than they do when on a dial-up service.

Clearwire Emerging as a Wholesaler

Perhaps Clearwire did not initially think its business model would be anchored by wholesale wireless, but that seems to be shaping up as key to its future. Of the 283,000 net new subscribers added in the first quarter of 2010, 111,000 of them, or 39 percent, were gained by wholesale partners.

Most of the other major national wireless providers also have some wholesale operations, but none likely approach Clearwire's percentage. Clearwire’s network is behind Sprint’s 4G services as well as Comcast and Time Warner Cable wireless services. Then there is T-Mobile USA, which seems to need wholesale 4G capacity as well.

It might not be unreasonable to speculate that one reason Clearwire is preparing for a transition to Long Term Evolution, instead of sticking with its WiMAX air interface, is that T-Mobile USA might well require LTE capability in order to sign up.

"There was an agreement before that was really a commercial deal between Intel and Clearwire that would restrict us from using anything other than WiMAX up to, I think it’s February of 2012," said Bill Morrow, Clearwire CEO. "That deal is no longer in effect."

Now, either Intel or Clearwire can give 30 days notice and the deal is over. "So it does give us the flexibility that if we wanted to do a commercial launch of LTE or some other technology, that Intel would not be holding us back," said Morrow.

With less than a million total subscribers, it is too early to say how the retail versus wholesale customer mix holds up over time. Should Clearwire pick up T-Mobile USA as a wholesale partner, and as Comcast and Time Warner Cable gear up their wireless operations, it is not hard to envision wholesale growing to be a majority of customers.