China 450m Railway Communication Network Trunk Amplifier Mobile Signal Repeater, Find details about China Bi-Directional Amplifier, Amplifier from 450m Railway Communication Network Trunk Amplifier Mobile Signal Repeater
Maximum output power(dBm) | 27~43 |
Gain(dB) | 40~60 |
Gain adjustment range(dB) | ≥30 |
Noise factor(dB) | ≤4.0(at maximum gain) |
VSWR | ≤1.4 |
Power requirement | AC220V±20% 45~55Hz,DC-48V±20% or solar cell supply |
Local and remote monitoring | Power, gain, standing wave, input power instruction, output power instruction, temperature instruction, fault alarm, etc. |
Remote monitoring methods | GPRS or Internet or SMS |
Work temperature(ºC) | -20~+40 |
Average faultless working time (H) | 50000 |