Nanjing YOJE Electronics Co., Ltd.
  • Nanjing YOJE Electronics Co., Ltd.
  • Nanjing YOJE Electronics Co., Ltd.
  • Nanjing YOJE Electronics Co., Ltd.


GSMR Transceiver integrated modules


Brief
This product is used in the GSMR repeater station system, easy to use, high level of integration. Included in this product are downgoing amplifiers, uplink Low Noise components, etc. Internal components of single CPU centralized control, have the power, over current, over temperature, a Standing wave protection mechanism, and report to the alarm state. External communication interface RS485, the stability and anti-interference ability of data communication.
Technical index


No.
Technical parameters Technical index
uplink downgoing
1 Working frequency (MHz) 885~889 930~934
2 Max Output power(dBm) -5±1 40±1
3 Third order intermodulation IMD3(dBc) ≤-60 ≤-60
4 Output power adjusting range (dBm) -15~-5 30~40
5 ALC Control range (dB) ≥10 ≥10
6 Noise factor(dB) ≤2 --
7 Max gain (dB) 55±1 55±1
8 Passband fluctuation(dB) ≤±1.0 ≤±1.0
9 Gain adjusting range (dB) ≥30 ≥30
10 Gain Adjusting step length(dB) 1 1
11 Precision of Gain Adjusting step length (dB) 1~20dB ≤±1 ≤±1
20~30dB ≤±1.5 ≤±1.5
12 Out-of-band suppression(dBc) ≥15
@930-960MHz
≥15
@885-915MHz
13 Max Allowable input level (dBm) -10 +10
  14 Spurious emission(dBm)               ≤-36dBm/1KHz@9KHz-150KHz
≤-36dBm/10KHz@150KHz-30MHz
              ≤-36dBm/30KHz@30MHz-1GHz
 ≤-30dBm/30KHz@1GHz-12.75GHz
15 Input, Output voltage Standing wave ratio ≤1.4
16 Working voltage (V) 28V±1
17 Radio frequency interface SMA-K
18 Monitoring interface RS485
19 Monitoring protocol 《YJ Internal module communication protocol》
20 Environment temperature (℃) -25 - +55
21 Relative humidity (%) 45~75
22 Module size (L*W*H) 200*150*23

 
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