TATRA选频RF BDA与增加新的基站收发器(BTS)相比,该产品旨在提供更具成本效益的解决方案,以改善TETRA系统中的信号覆盖范围和通信质量。 而且它易于安装和维护,可以帮助运输公司快速退货。 TETRA BDA充当BTS与手机之间的中继。 它通过施主天线从BTS接收低功率信号,对其进行线性放大,然后通过覆盖天线将其重新传输到弱/盲覆盖区域。 并且移动信号也被放大并经由相反的方向重发到BTS。
应用图:
规格参数:
ITEMS | SPECIFICATIONS | |
---|---|---|
Frequency Range | Uplink | 385~390MHz |
Downlink | 695~400MHz | |
Bandwidth(SAW Filter for UL&DL) | 5MHz | |
Gain | 90±3dB | |
Maximum Output Power | Uplink | 30±2dB |
Downlink | 43±2dB | |
In-band Flatness | ≤4dB | |
Gain Adjustment Range | 1~31dB@Step 1dB | |
Maximum Input Power(non-destructive) | 10dB | |
I/O Impedance | 50Ω | |
Noise Figur | ≤5dB | |
System Delay | ≤5μSec | |
VSWR | ≤2.0 | |
Spurious Emission | 9kHz~1GHz: ≤ -36dBm/30kHz | |
9kHz~1GHz: ≤ -36dBm/30kHz | ||
Third-order Inter-moduleation | ≤ -15dBm/30kHz | |
RF Connector | N-Type(Female) | |
Power Supply | AC220V | |
Operating Temperature | -10℃~+50℃ | |
Relative Humidity Range | ≤95%(non condensing) | |
Dimensions | 428x328x175 mm | |
Mounting | Wall mounting | |
Weight | ≤15kg | |
Aplication | Indoor or Outdoor(IP65) | |
Remote Control Module(optional) | Wireless Modem(GSM) | |
NMS Monitoring Function(Optional) | Real-time alarm for door status, temperature, power supply, VSWR, etc; Remote control such as turn on/off, increasing/decreasing output power etc; Real-time status for output/input power, UL/DL gain, all status of BDA etc. |