The HC-12 Module is a
versatile, low-power wireless communication module that supports long-range
data transmission. Operating in the 433 MHz frequency band
Description:
The HC-12 is a long-range,
low-power wireless communication module operating in the 433 MHz band. It uses
UART communication and is ideal for applications requiring reliable wireless
data transmission over extended distances. It supports multiple baud rates and
can penetrate obstacles better than typical RF modules.
Specification:
Frequency Range: 433.4 – 473.0 MHz
Communication Interface: UART (TTL level)
Transmission Distance: Up to 1 km (open area, line-of-sight)
Baud Rate: 1,200 – 115,200 bps (configurable)
Operating Voltage: 3.2V – 5.5V
Power Consumption:
Standby: ~80 µA
Transmission: ~100 mA at 20 dBm
Antenna Interface: Spring or external SMA antenna
Modulation Method: GFSK (Gaussian Frequency Shift Keying)
Features:
Long-range wireless communication with strong
penetration capability
Supports serial UART communication for easy
integration
Configurable baud rate and communication settings
Low power consumption with sleep mode support
Works with microcontrollers like Arduino,
Raspberry Pi, and ESP32
Applications:
Remote Control & Monitoring: Industrial automation, remote sensors
Home Automation: Wireless control of smart appliances
