Transmitter Module:Support ASK / OOK modulation, transmit power is greater than 11dBmOperating frequency: 433.92 MHzMains input voltage range: 2.0V-3.6VLow-power consumption shutdown mode current is less than 1uATransfer rate up to 20KHzLaunch distance :20-200 metersTemperature range: -40-85 °CExternal antenna: 25cm ordinary multi-core or single-core lineReceiver Module:Support ASK / OOK modulation, the receiver sensitivity of -108dBmOperating frequency: 433.92 MHz, bandwidth of about ± 150KHzMains input voltage range: 2.2V-5VWorking current: Type :2.1mA (Requirement:VDD=5V) ; Type :2.1mA (Requirement:VDD=3V)Quiescent Current: 1uATemperature range: -40-85 °CMultiple transmission rates, the general module for 2KHz, up to 10KHzExternal antenna: 32cm single core wire, wound into a spiralPackage Included:5 x 433MHz Receiver module5 x 433MHz Transmitter module5 x Long antenna for receiver5 x Short antenna for transmitter