Cel-Fi GO Multi‑Carrier Cellular Amplifiers

The clearest, strongest, carrier-approved cell signal booster for large buildings

Cel-Fi GO cell signal booster by Nextivity in a multi-carrier setup from Powerful Signal
Cel-Fi GO multi-carrier cellular amplifier system building diagram A Cel‑Fi multi-carrier system amplifies and distributes cellular signal throughout large buildings of any size, shape, or number of floors.


Cel-Fi GO two-, three-, and four-carrier solutions improve cellular voice and data in mid-sized to large buildings, with support for Verizon, AT&T, T-Mobile, and other carrier networks.

Leveraging the power of Cel-Fi GO technology, these multi-carrier systems provide an industry-leading 100 dB maximum gain to provide the strongest signal at the highest quality. Cel-Fi is the only 100 dB-gain solution that is carrier preapproved and requires no carrier licenses or contracts.

Our modular solution works with your choice of cellular networks and includes setups for two carriers, three carriers, or four carriers.

We also offer one-, two-, and three-carrier solutions with support for FirstNet public safety communications.

You select the combination of carrier networks that you need in your building—choose from Verizon, AT&T, T-Mobile, Sprint, UScellular, and CGI Alaska.

ProWay Cel-Fi C4 four-carrier cell signal amplifier box Each ProWay Cel‑Fi multi-carrier cellular system comes enclosed in a professional, wall-mounted metal box.

Key features

  • Industry-leading 100 dB maximum gain.
  • Carrier-based solution with your choice of up to 4 carriers.
  • Professional, commercial-grade wall-mount metal box.
  • Carrier-approved and ready to install; no contracts or carrier licenses
  • Can be monitored and configured (if needed) with the Cel-Fi WAVE app for iOS and Android phones and devices.
  • Does not interfere with WiFi or other wireless products.


Cel-Fi GO technology is fully automatic and does not require any adjustments by the user or the installer. At power-up, each amplifier analyzes its assigned carrier network to determine available signal strength and quality; it then selects the best cellular band and channel for that carrier.

Best uses

The Cel-Fi GO multi-carrier system is designed for a wide variety of business environments that need improved cellular voice and data. A Cel-Fi GO system will provide stronger signal for:

  • Offices
  • High-rise buildings
  • Warehouses
  • Manufacturing plants
  • Government facilities
  • Hospitals
  • Retail locations
  • Parking structures
  • Large custom homes

Call Powerful Signal at 866-912-3444

…or click here to get a free custom quote for your building. Since 2007, Powerful Signal has been helping businesses like your get better stronger inside cell signal; we can help you decide if a ProWay Cel‑Fi multi-carrier system is the right solution for you.