| Main features |
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| ●All parameters can be setted or monitored by software locally or remotely |
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| ●Monitor software can be upgraded locally or remotely |
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| ●Gain,ALC level,Channel number,RF power and HPA switch can be setted by software |
| ●Protection from over voltage, over current, over temperature,over output power and backup batteries |
| ●Large-scale dynamic range, low power consumption and low system noise figure |
| ●ALC (auto level control)、Main modules self-test and alarm; |
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| ●Alarms on over power、 over temperature、 stationary wave、threshold and Open-door alarm |
| ●With a RS232 interface to NMS(network manegement system) |
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| ●Broad adjustable range for power and gain,high precision of step-gain,and convenient debugging; |
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| Technical index |
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| Items |
Index |
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| Downlink |
Uplink |
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| Frequency range |
870~880MHz |
825~835 MHz |
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| 460-465MHz |
450-455MHz |
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| RF output power |
30/33/37/40dBm |
27/30/33/37dBm |
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| RF Gain |
90±3dB |
90±3dB |
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| Gain adjustment range |
≥30 dB |
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| In-band fluctuation |
≤3dB |
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| Noise factor |
≤5dB |
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| VSWR |
≤1.4 |
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| Group delay |
≤5.0us |
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| Waveform quality factor |
≥0.950 |
≥0.960 |
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| Working temperature |
—30 ~ +55 °C |
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| Working humidity |
< 95% |
