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Description
The HC-12 433 SI4463 Wireless Serial Module is a low-power, long-range transceiver based on the Si4463 chip with a working frequency of 433MHz. Its specifications include a 3.2V to 5.5V operating voltage, a maximum 20dBm transmit power, and a transmission distance of up to 1km in open space. It uses a simple UART serial interface, supports adjustable data rates up to 115200 bps, and comes with a spring antenna but can also use an external antenna socket.
Key Features
- Frequency: 433MHz (working frequency band: 433.4–473.0MHz)
- Operating Voltage: 3.2V–5.5V
- Transmit Power: 100mW (20dBm)
- Transmission Distance: Up to 1000 meters (1km) in open space
- Serial Interface: UART (TTL level)
- Data Rate: Adjustable up to 115200 bps
- Antenna: Onboard spring antenna, with an option for an external antenna via a socket
- Operating Temperature: -40°C to +85°C
- Supply Current: Approximately 16mA (transmitting) and 17.5mA (receiving)
- Dimensions: 27.8mm x 14.4mm x 4mm (approximate, including antenna seat)
- Modes: Transparent and fixed-point transmission modes
- Compatibility: Works with microcontrollers like Arduino and Raspberry Pi
Package Includes:
1 x HC-12 433 SI4463 Wireless Serial Module
