ITEM NAME:Universal RF 433Mhz Remote Control Switch 12V 1-Ch Relay Receiver Module F9.Specification: 1. Standby Current: ï ¼Å“5MA 3. RF Frequency: 433MHZ 4. RF Working mode:Super heterodyne receiver 5. Receiver Sensitivity: >90dBm 6. Decoding Way: MCU Software decoding 8. Channel: 1CH 11.