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CEL-FI PRO improves 3G, 4G, and LTE cellular service by eliminating dead zones and dropped calls. With 100 dB of gain, CEL-FI PRO will not only improve cellular service across four (4) concurrent bands, it will also reduce your cell phone’s power requirements and extend its battery life. CEL-FI PRO covers up to 13,000 ft2 (1,200 m2) of indoor space per system. CEL-FI PRO systems feature an LCD color interface, are fully self-contained and self-configuring, and require no external antennas or wiring. Simply plug it in to boost indoor cellular coverage. 

  • Carrier Grade Smart Signal Booster 
  • Supports WCDMA & LTE (including VoLTE)  
  • Supports up to four (4) separate frequency bands & relays channels simultaneously- enabling support of all operator services 
  • 100dB system gain ensures maximum coverage footprint 
  • Support for Bands 2/4/5/12 
  • Support for Cel-Fi WAVE Management

Key Features

Move the coverage unit further away from the network unit to maximize coverage. The total coverage area equals twice the distance between the network unit and the coverage unit. The maximum distance is up to 100 dB path loss.

Get set up in 4 easy steps


1. Find the best cellular signal

Use your phone to find the best cellular signal. Typically you will get the best signal near a window.


2. Place the Network Unit

Place the Network Unit (NU) in the location where you get the best cellular signal.


3. Place the Coverage Unit

Place the Coverage Unit (CU) in the location where you need improved coverage.


4. Use app to optimize setup

Using the Cel-Fi WAVE app, finish setup and activation.

Sample Layouts


One Level

Two Level

Questions? Our team has the knowledge and experience to help you get it right.

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