(1) Receiving sensitivity:-116dBm/0.6kbps (2) Working temperature: -30C~85C. (3) Working voltage: DC1.9~3.6V. (4) Communication distance: 380 meters (5) Maximum power: 10mW. (6) Center frequency: 433MHZ (7) The open transmission distance is 300 meters to 500 meters Using SPI interface Wireless wake-up function; support low-power electric carbon wave activation function, wirelessly wake up devices in low-power sleep states Low current consumption: 15.6mA in receiving mode, less than 0.5uA in sleep mode PIN FUNCTION (1) GND: The negative pole of the power supply. (2) VCC: Positive power supply. (3) : Module chip select pin, used to start a SPI communication. (4) : Module SPI bus clock. (5) MOSI: Module SPI data input pin. (6) : module SPI data output pin. (7) GDO0: Module information output pin (8) GDO2: Module information output pin. Colour: Blue Material: Metal Package Contents: 10 x CC1101 Wireless Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.