Color: Black - Quantity: 1 - Material: PCB board - 433MHz ISM bands-free license to use - 2-in-1 transmitting and receiving function there're interrupt marks when finished - 170 channels to satisfy multi-point communication and realize group networking communication TDMA-CDMA-FDMA - Built-in 8/16 byte calibration easy to develop and stable data transmission - Working voltage 1.9~3.6V low power consumption standby mode current is 2.5uA - Receive sensitivity: -100dBm - Receive and transmit switch time: < 650us - Receive and transmit Max. 32 byte set transmission and receive 2 / 4 / 8 / 16 / 32 bytes buffer size via software - Set address via software send data when receive the address (With breaking off indication) directly connected to microcontroller convenient to program - Max. Transmit power: 10mW - Max. Current: <30mA - Receive mode current: 12.2mA - Built-in SPI interface can use I/O port simulate SPI. Max. SPI clock up to 10M - Standard DIP pin patch - Transmission rate is 50Kbps - Communication distance up to 200~300m indoor communication 3-6 layers - Great for DIY project