VM31 MESH networking broadband data transmission module. It is a 15KM link, which is based on LTE wireless communication standard and adopts wireless digital data link with OFDM and MIMO technology, with dual 10/100 Ethernet and serial gateway function; it provides reliable wireless Ethernet bridge function and gateway service for most of the equipments; it can simultaneously transmit remote control signals, digital transmission signals and image signals as three-in-one data link transmission equipment. It is mainly used to solve the problem of close transmission distance of remote control signal and digital signal and low quality of image transmission. It features small size, good integration and high sensitivity. Provides 800M, 1.4G, frequency band selection.