ProWay Cel-Fi Multi-Carrier Cellular Amplifiers

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

ProWay Cel-Fi multi-carrier cellular amplifier system building diagram A ProWay Cel-Fi multi-carrier system amplifies and distributes cellular signal throughout large buildings of any size, shape, or number of floors.


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

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

Our modular solution works with your choice of carriers:

You select the combination of carrier networks that you need in your building. Choose from Verizon, AT&T, T-Mobile, Sprint, U.S. Cellular, and CGI Alaska networks.

Key features

  • Industry-leading 100 dB 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
  • Scalable from 15,000 square feet to over 300,000 square feet of indoor coverage.
  • 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.
ProWay Cel-Fi C4 four-carrier cell signal amplifier box Each ProWay Cel-Fi multi-carrier cellular system comes in a professional, wall-mounted metal box.


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 ProWay Cel-Fi multi-carrier system is designed for a wide variety of business environments that need improved cellular voice and data. A ProWay Cel-Fi system will provide stronger, cleaner 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.