This manual describes the GPS/BeiDou smart multi‑channel distribution system with dual‑antenna input and 12 output ports, including specifications and…
The GPS/BeiDou smart multi‑channel distribution system host amplifies two input antenna signals and distributes them to up to 12 BBU or slave devices. It features automatic switching to a backup antenna for uninterrupted signal output and provides 200 Ω termination per port.
The document provides key performance parameters, physical dimensions, a block diagram, detailed installation procedures, indicator meanings, and typical application guidance to help users correctly set up and operate the unit. This manual is written in Chinese.
| Working Temperature | -20 °C ~ 70 °C |
|---|---|
| Storage Temperature | -30 °C ~ 80 °C |
| Operating Frequency | 1557.5 MHz – 1587.5 MHz |
| System Gain | ≥ 25 dB |
| Noise Figure | ≤ 5.5 dB |
| Maximum Output Power | ≥ -30 dBm |
| Input Ports | 2 × SMA‑K (antenna) |
| Output Ports | 12 × SMA‑K (BBU/slave) |
| Power Supply | 48 V DC, 100 mA per rail (2 rails) |
| Auxiliary Power | 5 V DC, 50 mA |
| Dimensions | 482.6 mm × 96 mm × 44 mm (D×W×H) |
The system automatically switches to the backup antenna, ensuring continuous GPS/BeiDou signal output.
The unit requires two 48 V DC power inputs (100 mA each) and provides a 5 V auxiliary supply (50 mA).