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Nextivity Cel-Fi: The first T-Mobile 3G/4G Repeater

New release. The Nextivity Cel-Fi is the first repeater designed specifically for the T-Mobile AWS band, which is used for their 3G and 4G services. With the Nextivity Cel-Fi you can boost your T-Mobile 3G/4G signal over a massive 13,000 sq ft. That’s not all though, there are a number of features which make the Nextivity Cel-Fi unique, and one of the most exciting new products we have had.

Nextivity Cel-Fi for T-Mobile 3G

T-Mobile 3G/4G Covered

The Nextivity Cel-Fi T-Mobile booster covers the T-Mobile 3G/4G band, and is the first consumer repeater available. This band is called the AWS Band, and operates on the frequencies 1710 to 1755 MHz, and from 2110 to 2155 MHz. It’s dedicated to just this band, so it won’t work for other 3G networks, or for voice calls on T-Mobile.

No External Antenna

Rather than an external antenna, the Nextivity  Cel-Fi has a Window Unit, which is placed in a window where you have the strongest signal. This makes set-up a breeze – you don’t have to go outside or up on the roof and pole mount an antenna. Just find the window where you have the best signal, and plug in the Window Unit.

Completely Wireless

The Nextivity Cel-Fi is completely wireless. Completely. There is not a single length of coaxial cable to run, making set-up even easier. The Window Unit receives the signal, converts it and sends it wirelessly to the Coverage Unit. The Coverage Unit converts it back, amplifies it and then broadcasts it around your home or office. This means the Nextivity Cel-Fi can be setup in under 5 minutes – just plug the two units into the power and it’s done!

Nextivity Cel-Fi Setup

Huge Coverage Area

The Nextivity Cel-Fi has a massive 13,000 sq ft of coverage. Our traditional kits which cover this kind of area cost over $1200 so at $545 the Cel-Fi represents great value of money.

If you have any questions about the Nextivity Cel-Fi T-Mobile Booster, then please contact us.

1710 to 1755 MHz, and from 2110 to 2155 MHz.1710 to 1755 MHz, and from 2110 to 2155 MHz.

This post is categorized: Nextivity Cel-Fi / t-mobile and tagged: / / / / /

4 Responses to “Nextivity Cel-Fi: The first T-Mobile 3G/4G Repeater”

  1. Benjamin Preston Says:


    I would be keen to buy a Nextivity Cel-Fi.

    I have a T-Mobile 4G Phone. Can you please confirm that this is the best repeater that you have for both voice and data? I live in a 3,000sqft home in Houston, TX 77006. New build. Can normally get 1-2 bars of 2G intermittently, that is all.



  2. Sam Says:

    Hi Benjamin,
    This kit only works with T-Mobile 3G/4G. It does not cover voice. I’m afraid there is no single kit which will cover both T-Mobile voice and data.
    Best regards,

    Update: Actually we have discovered that T-Mobile use their AWS network for voice calls as well as their 3G/4G data. Which means that the Nextivity Cel-Fi covers the whole of the T-Mobile network.

  3. Erin Says:

    Hi Benjamin,

    Actually, since voice and data are on the same wavelength, a Cel-Fi will boost your signal to run all of your phone needs. In fact, some customers are able to run a hotspot with their phone via a Nextivity Cel-Fi. You can check out more information at their website at http://nextivityinc.com/.



  4. Fred Says:

    Is there a limit to how many cell phones can use this device at the same time?

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