LoRa HC-12 (SI4463)

The HC-12 Wireless Serial Module is based on the SI4463 RF transceiver and is widely used for long-range wireless communication over serial (UART) interfaces. It is commonly used in IoT, telemetry, remote control, and industrial automation applications.

HC-12 (SI4463) Wireless Serial Module

✅ Frequency Range: 433.4 MHz – 473.0 MHz
✅ Modulation: GFSK (Gaussian Frequency Shift Keying)
✅ Communication Distance: Up to 1.8 km (in open areas with low data rates)
✅ Baud Rate: 1200 to 115200 bps
✅ Power Supply: 3.2V – 5.5V (operates well at 3.3V or 5V logic)
✅ Transmission Power: Up to 100mW (+20 dBm)
✅ Interfaces: UART (RX/TX) with AT command configuration
✅ Antenna Interface: External SMA antenna
✅ Power Consumption:

• Transmit mode: 100mA max
• Receive mode: 16mA
• Sleep mode: < 22µA