Radio transceiver communication system of river model test multichannel comprises one host computer and a plurality of mutually independent next position computer, and the host computer comprises with code stream switching device and host computer wireless communication module main control computer, communication controller, and the main control computer is used for user interaction, passageway to set up the sum channel management, communication controller and code stream switching device are used for controlling shang, next position computer wireless communication module's connection, main control computer connecting communication controller and code stream switching device, communication controller and code stream switching device and host computer wireless communication module are connected, be equipped with next position computer wireless communication module in the next position computer to be connected with niloscope, current meter, sand meter or wave -height gauge, host computer and each next position computer carry out radio communication, are equipped with the wireless passageway module of five host computer in the host computer radio communication module, the data receiving and dispatching of passageway module management the corresponds wireless passageway that every is wireless. The utility model discloses there is the advantage remote, that transmission rate is fast.