The Low Voltage Receiver (input voltage: 3V-5VDC) YCJSWC-B7 is a RX Superheterodyne Receiver Module. It adopting the SAW, insure the frequency have no excusion or distnce do not change when librated or high/low temperature. It has excellent reliability and stability, Can avoide the disadvantage of regenerative circuit which liable to be interfered and low reliability. This receiving system is a perfect choice where need high demand. The module can be used in for alarm system, industrial remote control, garage door opener, car park etc.