The Cel-Fi SOLO Smart Signal Booster is designed to solve mobile coverage problems for voice and data.


With up to 100dB of gain, it is the most powerful carrier-grade solution available. The Cel-Fi SOLO covers up to 16,000 ft2 /1,500 m2 of indoor space per system and improves 3G and 4G mobile service by eliminating dead zones and dropped calls.

Cel-Fi products are mobile network approved and fully meets the regulatory requirements in the UK and Ireland. The Cel-Fi commitment is to protect the operator's network, deliver the best in-building mobile performance, and be the easiest solution to install.


The system needs to detect a minimum signal outside of the building to operate. Cel-Fi SOLO Bundle 1 includes:

  • Cel-Fi SOLO Smart Signal Booster
  • 1 x Cel-Fi Whip Antenna
  • 1 x Cel-Fi Patch Antenna
  • 1 x 8m Coax Cable
  • 1 x Wall mounting bracket



Nextivity Cel-Fi SOLO

    • Licence exempt and fully meets Ofcom requirements SI 2018/399 (UK) and ComReg S.I.No.283 of 2018 (Ireland)
    • Quick and easy setup and installation
    • 100 dB max signal gain covering an area 16,000 ft2 / 1,500 m2 per unit
    • Available for O2, EE, Three, Vodafone and all Mobile Virtual Network Operators
    • Can easily switch between mobile networks via the Cel-Fi WAVE app
    • Boosts both 3G and 4G signal coverage simultaneously
    • Smart Signal Booster with IntelliBoost© Chipset - Unconditionally Network Safe
    • Remote monitoring and management with the Cel-Fi WAVE app