1. Project: Technical parameters; Fiber Repeater proximal Machine; Fiber Repeater remote Machine 2. Work band: Downlink: Mobile:930-954MHz; Unicom:954-960MHz; Uplink: Mobile:885-909MHz; Unicom:909-915MHz 3.Maximum output power: 0-3 dBm(Optical power); 33/37/43/45dBm 4. Band fluctuations: <2.0dB Peak-peak; <2.0dB Peak-peak 5. The nominal gain and Error: Downlink: ≥20dB 55-85dB; Uplink: ≥20dB 30-60dB 6. Gain adjustment range: ≥ 25dB 7. Gain adjustment steps: 1dB 8. Gain adjustment error: ≤±1dB(≤20dB), ≤±1.5dB(≥20dB 9. Uplink noise figure: ≤3.5dB 10. Voltage VSWR: ≤1.4 11. Transmission time: ≤4μs 12. Cross-attenuation: Working within the band: ≤-45dBc Working out of the band: 9KHz-1GHz(including 1GHz) ≤-36 dBm/100KHz; 1-12.75 GHz≤-30 dBm/1MHz 13. Optical indicators: Optical wavelength: 1310nm/1550nm; Optical power ≥+3dBm 14. Efficiency Power Amplifier: >10% 15. Power and the scope of work: AC220V±45V,45~55Hz 16. Operating temperature range:-25~+55oC