Receiving device, medical system having receiving device, and channel setting method

PROBLEM TO BE SOLVED: To provide a receiving device capable of easily and accurately setting channels.SOLUTION: A receiving device 30 can perform radio communication with a plurality of transmitting devices 20 which send signals containing biological information via different channels, and comprises a receiving unit and a control unit. The receiving unit receives signals from the individual transmitting devices 20 while switching the channels. The control unit determines the channel having the strongest signal among a plurality of signals received by the receiving unit, and sets the determined channel as a monitoring channel for monitoring biological information afterward.SELECTED DRAWING: Figure 1