UHF 光纤直放站旨在专门为解决远离基站且地上布有光纤的区域信号覆盖较弱的问题。
这个系统由近端和远端两部分构成:近端通过直接耦合基站信号,把射频信号转化为光信号放大后,通过光纤传输给远端。远端再把接收的光信号转化回射频信号,提供到网络覆盖不足的区域。同时,移动信号也可通过放大并经由相反的方向传输到基站。
特点:
应用:
扩大信号覆盖范围或在无线电网络信号较弱或不可用的地方填充信号盲区.
Items | UHF 光纤 BDA | ||
---|---|---|---|
Frequency Range | Uplink (Customized) | 452~457MHz/806~821MHz | |
Downlink (Customized) | 462~467MHz/851~866MHz | ||
Maximum Input Power(Non-Destructive) | 10dBm | ||
Transmission Distance | ≤20km | ||
Maximum RF Output Power (Customized) | 0±2dBm(Master Unit) | 43±2dBm(Remote Unit) | |
System Gain (Cable Access) | 50±3dB | ||
Gain Adjustment Range | 1~31dB@Step of 1dB | ||
VSWR | ≤1.5 | ||
Noise Figure | ≤5dB | ||
In-Band Ripple | ≤6dB | ||
Spurious Emission | ≤-36dBm | ||
Third-Order Inter-Modulation | ≤-45dBc | ||
System Delay | ≤5μSec | ||
I/O Impedance | 50Ω | ||
RF Connector | 1xN-Female for Master Unit | 1xN-Female for Remote Unit | |
光纤 Interface | 4xFC/APC for Master Unit | 1xLC/UPC for Remote Unit | |
光纤 Type | Single Mode | ||
Optical Output Power | 0±3dBm (1310nm) / -3±3dBm (1550nm) | ||
Optical Receiver Sensitivity | ≤-15dBm | ||
Operation Temperature Range | -25°C ~ +55°C | ||
Relative Humidity Range | ≤95% (Non Condensing) | ||
Application | Indoor(IP32) (Master Unit) | Indoor or Outdoor (IP65) (Remote Unit) | |
Power Supply(Customized) | DC-48V or AC110V or AC220V, 50/60Hz | ||
Power Consumption | ≤50W (Master Unit) | ≤180W(Remote Unit) | |
Dimensions | 418mm × 90mm × 290mm (Master Unit) | 428mm × 328mm × 175mm (Remote Unit) | |
Weight | 6kg (Master Unit) | 15kg (Remote Unit) | |
Local Control | Web Browser GUI Local Via RJ-45 Interface or WiFi Hotspot | ||
NMS Mode (Optional) | Wirelss Modem (3G/4G), IP Connectivity | ||
NMS 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. |