The RF UART 433Mhz HC-12 1Km range receiver-transmitter module can be easily installed and used, communicating via the UART protocol with a long distance of 1km (ideal according to manufacturer’s specifications), easily applicable to remote control devices, remote control cars, sensor data collection from a long distance, etc. The module operates at a frequency of 433MHz.
Technical specifications:
Voltage: 3.2 - 5.5V Operating range: about 600m, can reach 1000m. Transmission speed: 5000bps in the air. Supply current: 16mA (in standby mode). Operating frequency: 433.4 - 473.0MHz maximum transmission power 100mW (can be set) Size: 27.8mm × 14.4mm × 4mm Default setting: FU3 mode, 9600bps speed, CH001 channel (433.4MHz) How to use:
The modules must have the same wave channel, address, channel and address must be different from 0. To set up the module, put the module in AT command mode: connect the SET pin to mass before powering, then power, the module will automatically reset to the original parameters: Baurate: 9600, stop bits:1, parity: none. To set the Baurate of the module use the command: AT+Bxxxx (where xxxx is the baudrate number, for example 9600, 38400, 115200, …) To set the wave channel use: AT+Cxxx (where xxx is the channel number from 000 to 127) To set the address use: AT+Axxx (where xxx is the address from 000 to 255) To set the transmission power use: AT+Px (where x is from 1 to 8, default is 8 ~ 10 dBm) After setting, connect the SET pin to VCC or leave it open to return to normal operating mode: all data transmitted via UART into the module will be transmitted to all other modules with the same wave channel and address, and transmitted out by UART.