✅ Key Features:

• Operating frequency: 433.4 MHz to 473.0 MHz (default 433.4 MHz)

• Communication distance: Up to 1,000 meters (line of sight)

• Transparent serial data transmission via UART interface

• Data rate: Up to 115,200 bps

• Power supply: 3.2V to 5.5V DC

• Low power consumption, ideal for battery-powered projects

• Supports multiple channels and adjustable transmission power

• Easy AT command configuration for advanced settings

📦 Specifications:

• Model: HC-12 FST/CZS

• Frequency Range: 433.4 MHz (default), adjustable up to 473 MHz

• Voltage Supply: 3.2V to 5.5V

• Communication Interface: UART (TTL level)

• Transmission Power: Adjustable, up to 100mW

• Data Rate: 300 bps to 115,200 bps

• Operating Temperature: -40°C to +85°C

• Dimensions: Approx. 34mm x 16mm x 6mm

🔌 Applications:

• Wireless data transmission for IoT and sensor networks

• Remote control systems and telemetry

• Home automation and security systems

• Robotics and wireless communication between devices

• Long-range serial communication projects

💡 Why Choose the HC-12 Module?
The HC-12 offers a great balance of long-range capability, low power consumption, and ease of use, making it one of the best wireless serial modules for DIY electronics, IoT, and industrial applications.