HC-12 SI4463 Wireless serial module

The HC-12 SI4463 Wireless Serial Module is a versatile and low-cost wireless communication device designed for transparent serial data transmission over long distances. Based on the SI4463 transceiver chip, this module operates in the 433MHz ISM band, providing reliable and stable wireless communication for various applications, including remote control, telemetry, and wireless data collection. The HC-12 module is easy to use with a standard UART interface, making it suitable for integration with microcontrollers, Arduino, and other serial devices.

Key Features:

• Frequency Range: 433.4MHz to 473.0MHz
• Communication Range: Up to 1km with line-of-sight (LoS) in open areas
• Baud Rate: 1,200bps to 115,200bps (configurable)
• Power Output: Up to +20dBm (100mW)
• Sensitivity: -117dBm at 5,000bps
• Interface: Standard UART interface for easy integration
• Operating Modes: Multiple modes, including sleep and power-saving modes
• Configuration: AT commands for easy setup and configuration
• Power Supply: 3.2V to 5.5V DC
• Low Power Consumption: Suitable for battery-powered applications

Technical Specifications:

• Frequency Range: 433.4MHz to 473.0MHz
• Modulation: GFSK (Gaussian Frequency Shift Keying)
• Baud Rate: 1,200bps to 115,200bps
• Transmit Power: +20dBm (100mW)
• Receiver Sensitivity: -117dBm at 5,000bps
• Communication Range: Up to 1km (LoS)
• Supply Voltage: 3.2V to 5.5V DC
• Current Consumption: 16mA in receive mode, 100mA in transmit mode
• Interface: UART (TTL level)
• Dimensions: 27.8mm x 14.4mm x 4mm
• Weight: Approximately 3g

Applications:

• Remote control systems
• Telemetry and remote monitoring
• Wireless data collection
• Home automation systems
• Robotics and drones
• Wireless sensor networks

Usage:

1. Connect the HC-12 module to the microcontroller or serial device using the UART interface (TX, RX, VCC, GND).
2. Configure the module using AT commands to set the desired communication parameters (frequency, baud rate, etc.).
3. Ensure the antennas are properly connected for optimal communication range.
4. Use the module to transmit and receive serial data wirelessly between devices.

Caution:

• Verify the supply voltage to avoid damaging the module.
• Handle the module carefully to prevent physical damage or electrostatic discharge (ESD).
• Ensure proper antenna placement and orientation for maximum communication range.

Datasheet:
For detailed technical specifications, refer to the HC-12 SI4463 Wireless Serial Module Datasheet.