HD Video Wireless Communication

Chinese  English


COFDM Wireless Downlink

COFDM Wireless Transmitter
COFDM Wireless Receiver

TDD Duplex Wireless Transceiver

  800M-1.4G IP Links 2W/5W-SDL530
  800M-1.4G IP Links 2W/5W-SDL532
  800M-1.4G IP Links 10W
800M-1.4G-2.4G H265 Tx 300mW
  800M-1.4G-2.4G H265 Rx 300mW
5.8G H265 500mW


HDMI/AV Tx Module
SDI/AHD Tx Module
H265 Rx Module
H264 Rx Module
Relay Module
1W Power Amplifier

TDD OEM Modules

DLM Transceiver Module
DLB Transceiver Module
2W Power Amplifier(800M/1.4G)
5W Power Amplifier(800M/1.4G)
10W Power Amplifier(800M/1.4G)
H264/H265 Codec Modules
Video Encoder Enclosed
HDMI/AV Video Encoder
SDI/AHD Video Encoder
H.264 Video Decoder
H.265 Video Decoder


UART Config Panel

Rep1 COFDM Relay Module

    -- COFDM demodulation and re-modulation
    -- Stable signal transfer in NLOS and high speed moving
    -- Adjustable working frequency, band width, transmission power, etc

Sihid Rep1 relay module accepts COFDM signals from two antennas(can just use one too) and demodulates it, then re-modulates and transmits. The relay module can find and lock automatically to the incoming transmission quickly according to the pre-set frequency and bandwidth.


RF input Two SMA female
RF output MMCX female
control uart 4PIN PH1.25mm Connector
Power in 2PIN PH2.54mm phenix Connector
TF-card For firmware update
Power led red led, constant light when device is normal powered
Link led green led, blinks on transmitting the received data

Demodulation and Modulation
Modulation Formats COFDM(DVB-T)
Carriers 2K
Bandwidth Configurable from 1MHz to 8MHz, step by 1KHz
FEC 1/2, 2/3, 3/4, 5/6, 7/8
Guard interval 1/32, 1/16, 1/8, 1/4
Constellation QPSK, 16QAM, 64QAM
Bitrates 0.5Mbps to 31.67Mbps

RF Received
Frequency Bands 160MHz~860MHz
Tuning Step size 1KHz
Sensitivity -97±1dBm(BW=8MHz, QPSK, CR=2/3, GI=1/16) for one channel and add 3dBm for two channel

RF Transmitted
Frequency Bands 200MHz~2300MHz(other bands can be supported with special manufacturing)
Tuning Step size 1KHz
Power out Configurable, maximum -5dBm(subject to frequency)

Monitoring and control
Comprehensive setup with Sihid Config Panel or other device via control uart. With Sihid SconA or SconC config panel, the following parameters can be setup:
    - Received frequency(f1) and bandwidth(b1)
    - Transmitted frequency(f2), bandwidth(b2), fec, guard interval, constellation and transmission power

Temperature range
Full specification: 0° to +70°C Ambient
Storage: –40° to +80°C

Power requirements
Input range: 7~24VDC
Power consumption: <250mA@12V

Physical Characteristics
Dimensions: 73x51x15mm (not including connectors out of the board)

Application Block



Rep1 COFDM Realy module overview.pdf

Room 608, Dongbian Commerce Building, #222 Minzhi Road, Longhua District, Shenzhen, China 518131
Email: or, Phone:+86-755-23765232, Skype ID:embestzgr
Copyright©Sihid Technology Limited 2015-2021 all rights reserved.

矽海达提供基于FPGA COFDM调制技术的信道编码IP(DVB-T Modulator),无线宽带数据链路,COFDM高清数字无线图传解决方案,FPGA与嵌入式系统设计服务,FPGA OpenCL加速卡,AD9361/AD9363/AD80402/AD9364开发套件