Main Features:

1) All use module configuration, easily install and test
2) All use module configuration, easily install and test
3) Single optical transmission between near-end repeater and far-end repeater.
4) Stable operation, good signal coverage, fieldwork design, convenient construction.
5) One near-end repeater can be arranged in groups of far-end repeaters
6) Avoid of interference from equal-frequency, omnidirectional coverage;
7) Signal transmission does not infected by geography condition
8) Optical transmission distance over 20 kilometre
9) In stead of manual debugging, FR gain self- recoup when optical ullage 0~10dB
10) Provide RS-232 interface control and monitor state and warning
11) Small cubage, light weight, water-proof, moisty-proof, dustproof, antirust and quakeproof.
12) Wide dynamic range, low power consumption, low system noise
13) Wide power, Gain regulate range, convenient test
14) Protection against Voltage, current, temperature exceed, use back up battery

Main Capabilities:
1) Auto Shut-Down
2) Protection from over output power
3) Alarming on door open
4) Auto Level Control
5) Gain and auto level output can be set by software
6) display output power
7) Main module self-testing and alarming

Application Range:
1) railway, tunnel, underground and indoor distributing system
2) suburb and less telecomunication area.
3) signal shadow area which caused by hypsography
4) large building such as hospital and marketplace