Coming Soon: Cel-Fi Go M by Nextivity (Mobile Cellular Booster)

What makes Cel-Fi boosters different is that they are digital boosters that interact with a cellular network actively, rather than analog boosters like all the previous cellular boosters we have tested.

Cel-Fi describes their technology this way:

"Cel-Fi is the most sophisticated signal booster in the market. It is completely digital and powered by two custom-made system-on-a-chip processors with 38 digital signal processors. Integrated smart antenna technology tirelessly analyzes the indoor environment and automatically adjusts in real time to provide the best coverage and overall value. Cel-Fi ensures optimal cellular coverage – even with only one bar of signal from the mobile operator."

This technology theoretically opens the door for increased gain and indoor coverage, since the booster is actively repeating and recreating the digital signals from the tower - not just amplifying an analog signal along with all the accompanying signal noise.

The Cel-Fi Wave app is required to change carriers, and it lets you monitor how effectively the Cel-Fi booster is performing.

This is why the Cel-Fi Go M is allowed by the FCC to deliver 65dB of gain in the Go M, well above the 50dB max legal limit of conventional mobile boosters.

Using their Wave app connected via Bluetooth to the booster, it will show you the carrier and LTE band that you are connected to, the signal strength, and the amount of boost - directly on your iOS or Android device.

There is a downside however.

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Because the Cel-Fi booster is working interactively with the carriers network, it can only be boosting one carrier at a time. For example - if it is in Verizon mode, AT&T devices will not see any benefits at all.

Analog boosters on the other hand work with all carriers at once.

Specifications

  • Gain: 65dB
  • # of Devices Boosted: Many
  • LTE Bands Supported: 12 (17), 13, 5, 4, 2
  • Exterior Antenna:  Magnetic mount with integrated cable.
  • Internal Antenna: Patch antenna with integrated cable
  • Range of Interior Coverage:
  • In Motion Usage: Yes
  • Power:
  • Retail Price: $600

Review Status: We have been in communication with Nextivity about the development of this product since summer 2016, and received our pre-production unit for evaluation in May 2017. We have done one extensive round of testing with it head to head against other booster options. Our initial thoughts are shared below with our members.

 

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Cel-Fi Go M Ratings
  • Overall Rating (tbd)

Quick Take

The Cel-Fi Go M likely won't be shipping until quarter 2 2017.

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