₹320.00Original price was: ₹320.00.₹250.00Current price is: ₹250.00. GST
The HC-12 Wireless Serial Module is a long-range wireless communication module that enables serial data transmission (UART) between microcontrollers. It works seamlessly with boards like Arduino Uno R3 and ESP32 Development Board.
The HC-12 is a 433 MHz RF wireless serial module designed for transparent data communication. It acts like a wireless serial cable — whatever data you send through UART on one module is received by another HC-12 module.
It supports long-range communication up to 1 km (line of sight) depending on settings and antenna quality. The module is based on the SI4463 RF chip and provides multiple communication modes for balancing range, speed, and power consumption.
The HC-12 is widely used in remote control systems, wireless sensor networks, home automation, industrial control, and IoT applications.
Key Features
433 MHz wireless communication
Long range up to 1000 meters (line of sight)
Transparent UART serial communication
Adjustable power and baud rate
Multiple operating modes (FU1, FU2, FU3, FU4)
Compact and easy to integrate
Technical Specifications
Parameter
Value
Frequency
433 MHz
Communication
UART (Serial)
Operating Voltage
3.2V – 5.5V
Range
Up to 1 km (LOS)
RF Chip
SI4463
Output Power
Up to 100 mW
Pin Configuration
Pin
Description
VCC
Power Supply (3.2V–5V)
GND
Ground
TXD
Transmit Data
RXD
Receive Data
SET
Mode Configuration
What’s in the Box
1 × HC-12 Wireless Serial Module
Ideal For
Wireless sensor networks
Remote control systems
IoT communication
Industrial automation
Arduino and embedded projects 📡
Weight
0.002 kg
Dimensions
2.7 × 1.4 × 0.4 cm
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