HC-12 Wireless Transceiver Modules 433Mhz – 1000 Meters HC-12 Wireless Transceiver Modules 433Mhz are wireless serial port communication modules, It is based on SI4463 RF chip, it has built in microcontroller, and can be configured using AT commands, Maximum output power is 100mW (20dBm) and receiver sensitivity differs from -117dBm to -100dBm, depending on transmission speed. It accepts 3.2V-5.5V and can be used with 3.3V and 5V UART voltage devices (3.3V safe).

Specifications:

Communication Protocol: UART 3.3 - 5V TTL Operation Voltage: 3.2V to 5.5VDC

Communication Distance: 1,000m in the open space

Operation Frequency: 433.4MHz to 473.0MHz

Antenna Interface: Spring Antenna

No-load Current: 22μA

Operating Temperature: -40℃ to +85℃

Dimensions: 27.4 x 13.2 x 4mm

Weight: 0.7g