FM broadcast side band calling device

The utility model relates to an FM broadcast side band calling device which is composed of a calling station and a receiver, wherein, the calling station is realized by FM broadcast transmitting equipment, a computer network and a modulator, and the receiver is composed of an antenna, FM demodulating equipment, secondary demodulating equipment, a single chip microcomputer CPU and an indicator which are connected in series. The computer network adopts an auxiliary side band FSK modulator and a mixing circuit, and the FM demodulating equipment is composed of high-active filtering, frequency mixing filtering, intermediate frequency filtering and an FM demodulator which are connected in series. The secondary demodulating equipment is realized by adopting an MC3374 circuit. The utility model has the advantages that the system cost is low, the investment of the prior period is less, the receiving effect is good, the utility model can be matched with the existing calling system, etc.