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5GNR TDD-3.8GHz Fiber Optic Repeater

5GNR TDD-3.8GHz Fiber Optic Repeater

Model: AT50C00A-7(Master Unit)

Frequency Range3700 ~ 3800MHz


Output Power0±3dBm@1310nm/-12±3dBm@1550nm

Maximum Gain40±3dB(Cable Access)

Product Description

The Fiber Optic Repeater (FOR) is designed to solve problems of weak mobile signal in the place that is far away from the Base Transceiver Station (BTS) and has fiber optic cable network underground.

The system consists of two parts: Master Unit and Remote Unit. The Master unit captures the BTS signal via direct coupler closed to BTS, then converts it into optic signal and transmits the amplified signal to the Remote Unit via fiber optic cable. The Remote unit will reconvert the optic signal into RF signal and provide the signal to the areas where network coverage is inadequate. And the mobile signal is also amplified and retransmitted to the BTS via the opposite direction.


1. Tx/Rx control and alarm messages can be transmitted via one fiber optic cable.
2. Adopting WDM module to realize long-distance transmission.
3. Stable and improved signal transmission quality.
4. Built-in 5G Dynamic TDD Sync Detection Module, automatic completion of 5G wireless network cell search and wireless signaling processing.
5. One Master Unit can support up to 16 Remote Units to maximize utilization of fiber optic cable.
6. RJ45 port provides a link to a notebook for local supervision or IP Based NMS (Network Management System) that can remotely supervise repeater’s working status and download operational parameters to the repeater via Ethernet/LAN.



To expand signal coverage or fill signal blind area where signal is weak or unavailable.

1. Outdoor: Airports, tourism regions, golf courses, tunnels, factories, mining districts, villages, …

2. Indoor: Hotels, exhibition centers, basements, shopping malls, offices, parking lots, …

Technical Specification

System NR3800(TDD) 
Working FrequencyUplink3700~3800MHz
Working Bandwidth100MHz
MU Extensible Support the RU Quantity16
System Gain(MU+RU)40±3dB(Cable Access)
Maximum Output Power(RF)-5±2dBm(UL)
Manual Adjustable Attenuator0~30dB/Step 1dB
Noise Figure@1RU Connection≤ 5dB
Optical Output Power0±3dBm@1310nm/-12±3dBm@1550nm
Fiber Type/NumberSingle Mode
Optical Wavelength1310nm/1550nm
Optical Connector Type16xFC/APC
RF Connector Type1xN-Female
I/O Impedance50Ω
Ingress ProtectionIP30
Local Monitoring InterfaceRJ45
Remote MonitoringEthernet/LAN(Web Browser)
Operating Temperature-0℃~55℃ 
Relative Humidity≤95%
Mounting TypeWall Mount
Power SupplyAC100V~240V, 50/60Hz
Power Consumption≤30W
Battery Backup/Time30minutes

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