V31pro digital network mapping transmission is divided into 5KM and 50KM, 80KM, 150KM four versions is a three-in-one digital mapping transmission, providing 800Mhz, 1.4Ghz two options; transparent transmission, can transmit images, compatible with all network protocols; transparent data transmission, support for TTL/RS232 level interfaces; dual S-BUS output, provide remote control range, get rid of the traditional RC control distance is insufficient. traditional RC control distance is insufficient. Support H264\H265 video coding format input, bandwidth allocation: 3MHZ, 5MHZ, 10MHZ, 20MHZ; air interface delay: transmission delay from node to master node ≤ 300ms; compatible with all network protocols.