Cel-Fi PRO improves 3G, 4G, and LTE cellular service by eliminating dead zones and dropped calls. With 100 dB of gain, the 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. The system features an LCD color interface, is fully self-contained and self-configuring, and requires no external antennas or wiring. Simply plug it in to boost indoor cellular coverage.

Used, fully working condition