GSM 980 Cellular Phone Signal Repeater Booster + Antenna (JAX-GSM980)

**Specification 1) Frequency range: -Up link GSM 890-915 -Downlink GSM 825-960 2) Gain(dB) GSM Up link: 55 3) GSM downlink: 60 4) Gain adjustable range: GSM950/ 50Db~55Db 5) Output power(dBm): ?27 / 30 6) Pass band ripple GSM: 4dB 7) Guard band rejection: GSM(BW-60dB)?42 MHz (BW-70dB)?45 MHz 8) I/O impedance: 50? 9) I/O return loss: ?-10dB 10) Noise coefficient: ?5dB 11) Intermodulation attenuation (Po=13dBm): ?40dBc 12) Transmission delay: ?0.5us 13) Ambient temperature: -10??60? 14) Power supply: AC220V / DC 12V 45?55Hz **Characteristic 1) Fully integrated 980 MHz antenna system 2) Powerful amplifier enables up to + 85 dB of signal gain including cable loss 3) Intelligent signal processing and real time adaptive operation 4) Automatically adjusts power levels as needed to ensure a consistent coverage footprint 5) Reprogrammable (in the field) enabling spectrum or carrier reconfigurations as needed 6) Auto-track LED diagnostics displays aid install and operati