HC-12 Wireless RF UART Communication Module

HC-12 Wireless RF UART Communication Module is a high-performance, long-range wireless communication device designed for reliable serial data transmission over distances up to 1 km in open environments. Operating in the 433 MHz ISM band, the HC-12 module offers excellent penetration, low power consumption, and stable communication, making it an ideal choice for IoT projects, embedded systems, industrial automation, and remote control applications.

With transparent UART communication, the HC-12 allows seamless wireless replacement of wired serial links such as RS-232 or TTL communication. It is fully compatible with popular microcontrollers including Arduino, Raspberry Pi, ESP32, PIC, AVR, and ARM-based controllers, ensuring quick integration and easy deployment.

Key Features of HC-12 Wireless RF UART Communication Module

• Long-Range Wireless Communication
  Supports wireless data transmission up to 1000 meters in open space with proper antenna placement.

• 433 MHz ISM Band Operation
  Operates in the license-free 433.4–473.0 MHz frequency band, suitable for global applications.

• Transparent UART Interface
  Provides simple and reliable UART serial communication without the need for complex protocol handling.

• Adjustable Transmission Power
  RF output power is configurable up to 100 mW (20 dBm), allowing optimization between range and power consumption.

• Multiple Communication Channels
  Offers 100 programmable channels to reduce interference and enhance communication reliability.

• Wide Baud Rate Support
  Supports UART baud rates from 1200 bps to 115200 bps, enabling flexible data transfer speeds.

• Low Power Consumption
  Features multiple operating modes including sleep mode, ideal for battery-powered and energy-efficient designs.

• High Sensitivity Receiver
  Ensures stable communication even in noisy environments with strong anti-interference capability.

• Compact and Easy to Use
  Small form factor with simple pin configuration (VCC, GND, TXD, RXD, SET), making it beginner-friendly.

Specifications of HC-12 Wireless RF UART Communication Module

• Operating Frequency: 433.4 – 473.0 MHz

• Communication Interface: UART (TTL Level)

• Operating Voltage: 3.2 V – 5.5 V

• Transmit Power: Up to 100 mW (20 dBm)

• Receiving Sensitivity: –117 dBm

• Maximum Range: Up to 1000 meters (open area)

• Baud Rate: 1200 – 115200 bps

• Channel Count: 100 channels

• Modulation: GFSK

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

• Antenna Interface: External antenna support

• Dimensions: Compact PCB design suitable for embedded systems

Applications of HC-12 Wireless RF UART Communication Module

The versatility and reliability of the HC-12 module make it suitable for a wide range of applications, including:

• IoT and Smart Devices
  Used for long-range data transmission in IoT sensor networks, smart agriculture, and environmental monitoring.

• Industrial Automation
  Ideal for wireless monitoring and control systems in factories, warehouses, and process automation.

• Home Automation Systems
  Enables wireless control of lighting, appliances, and security systems.

• Remote Control and Telemetry
  Commonly used in robotics, drones, and remote data acquisition systems.

• Wireless Meter Reading
  Suitable for electricity, water, and gas meter communication systems.

• Educational and DIY Projects
  Widely used by students and hobbyists for Arduino and embedded system projects.

• Wireless Data Logging
  Enables long-distance transmission of sensor data to central monitoring units.

Why Choose HC-12 Wireless RF UART Communication Module?

The HC-12 Wireless RF UART Communication Module stands out for its long communication range, ease of integration, low power operation, and high reliability. Unlike short-range modules such as Bluetooth or Wi-Fi, the HC-12 is optimized for long-distance, point-to-point wireless serial communication, making it the perfect solution for remote and industrial environments.

Whether you are developing an IoT product, industrial system, or academic project, the HC-12 module delivers consistent performance and excellent value. Upgrade your wireless communication system today with the HC-12 Wireless RF UART Communication Module for dependable, long-range data transmission.

Package Includes:

1 x HC-12 Wireless RF UART Communication Module

FAQ

1. Where can we buy this HC-12 Wireless RF UART Communication Module?

This product is available online at https://aiiottech.in/product/hc-12-wireless-rf-uart-communication-module/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103

2. When can I get this HC-12 Wireless RF UART Communication Module after placing the order?

RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.

Video Link: HC-12 Module – Long-Range Communication Without WiFi or GSM!