DR2C COFDM dual antenna receiving and demodulating module

The DR2C module is a wireless COFDM dual-set receiving and demodulating module developed by our company。DR2C module has high receiving sensitivity、Small size、Simple interface，Suitable for various wireless data broadband digital transmission applications，Including high-definition digital wireless image transmission applications for drones、Security wireless video long-distance transmission applications, etc.。

Function description：

• DR2C module implements COFDM wireless signal reception and demodulation function；
• Dual antenna reception，SMA antenna interface；
• receiving frequency band：160MHz~860MHz；
• Single channel receiving sensitivity：QPSK 8MHz -97±1dbm，QPSK 6MHz -98±1dbm，Sensitivity increased by 3dbm when receiving with dual antennas；
• Support high-speed mobile reception；
• Configurable parameters：
  • IFFT：2K，8K
  • modulation mapping：QPSK, QAM16, QAM64
  • guard interval：1/4, 1/8, 1/16, 1/32
  • FEC：1/2, 2/3, 3/4, 5/6, 7/8
  • bandwidth：1.8MHz~8MHz，Step 0.1MHz
• The demodulated digital signal output interface is the J3 interface(TSI)
• Power indicator light、Work indicator light
• PCBA weight：13.4gram
• board size：51mm x 30mm

DR2C module J3 interface signal definition：

J3 interface is 2×10 20pin 1.27mm pitch straight pin header，Used to connect DR2C module and decoding board，It uses TSI to transmit data。Its signal definition is shown in the table below：

Mechanical Dimensions：

The DR2C module can be plugged into the SHD1 H264 decoding and playback board，Used as a high-sensitivity and low-latency COFDM receiver：

The DR2C module can also be plugged into the SHD2 board for use：