magicJack femtocell detailed: “borrows” spectrum indoors

Jan 8, 2010
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Yesterday we told you about VoIP provider magicJack's intention to offer a femtocell that, they claimed, would work with any GSM cellphone - even those without service - but at the time we didn't know exactly how the system worked.  Unfortunately, now that details have emerged we're not entirely convinced it's the greatest of ideas, either from a legal or a functional perspective.  It turns out the new magicJack uses, without being granted permission from the carriers who have licensed it, cellphone radio frequencies to connect GSM phones to a personal cellular base-station.

As with the original magicJack, the adapter plugs into a broadband-enabled computer.  Users must first move their phone within eight feet of the magicJack femto, which will then place a call to the handset.  After punching in a code, both are connected and - as long as you stay within range, roughly sufficient to cover a 3,000 square foot home - all calls are routed over the magicJack's VoIP connection.

The CEO of magicJack parent company YMax, Dan Borislow, reckons that the new femtocell occupies a legal black hole since carriers' wireless spectrum licenses don't extend into the home.  Testing at CES apparently showed that the new system worked with a handset from T-Mobile, and indeed any GSM handset should suffice.  magicJack plan to sell the femtocell for $40, which includes free calls to the US and Canada for a year.

AT&T, T-Mobile and the FCC, meanwhile, are looking into the legality of the system, and had no immediate comment.

[via Gizmodo]


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