---
product_id: 383955638
title: "Original HC-12 wireless 433 SI4463 Serial Module with STM8S003F3P6 MCU"
brand: "robotism"
price: "₩26013"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/383955638-original-hc-12-wireless-433-si4463-serial-module-with-stm8s003f3p6
store_origin: KR
region: South Korea
---

# Compact Size 100mW Power Ultra Low Power Original HC-12 wireless 433 SI4463 Serial Module with STM8S003F3P6 MCU

**Brand:** robotism
**Price:** ₩26013
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Connectivity Game!

## Quick Answers

- **What is this?** Original HC-12 wireless 433 SI4463 Serial Module with STM8S003F3P6 MCU by robotism
- **How much does it cost?** ₩26013 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/383955638-original-hc-12-wireless-433-si4463-serial-module-with-stm8s003f3p6)

## Best For

- robotism enthusiasts

## Why This Product

- Trusted robotism brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unmatched Range:** Achieve seamless communication up to 500 meters!
- • **Energy Efficient:** Ultra low current modes for extended battery life.
- • **Smart Communication:** Onboard STM8S003F3P6 MCU for simple TTL interface.
- • **Effortless Integration:** Compact design for easy embedding in your projects.
- • **Versatile Antenna Options:** Utilize PCB or external antennas for enhanced performance.

## Overview

The Original HC-12 wireless 433 SI4463 Serial Module is a powerful communication tool featuring a maximum transmit power of 100mW and a remarkable range of 500 meters. With its compact design and onboard STM8S003F3P6 MCU, it offers easy integration and versatile antenna options, all while maintaining ultra-low power consumption.

## Description

HC-12 wireless RF UART communication module is a new generation of multi-channel embedded wireless data transmission module. The Radio frequency of 433.4 473.0MHz, can be setting a communication channel, step is 400kHz, a total of 100 channels.

## Features

- The module maximum transmit power is 100mW (20dBm), and -116dBm receiver sensitivity air of the 5000bps baud rate, communication distance about 500 meters.
- The module adopts a stamped hole encapsulation method, which can be welded. The module size is 27.4mm*13.2mm *4mm (including antenna seat, not including the spring antenna), which is convenient for the customer to be embedded in the application system. The module has a PCB antenna seat ANT1, users can use the coaxial cable, the use of 433MHz band external antenna.
- This module has an onboard STM8S003F3P6 MCU which is communicating with the SI4463 so that the user can communicate with the HC12 module using a simple TTL 2 wire serial interface (RX, TX, GND).
- Ultra low current powerdown modes 30 nA shutdown, 50 nA standby

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Robotism |
| Manufacturer | ROBOTISM COMPONENTS |
| Country of Origin | India |
| Colour | Multi |
| Number of Memory Sticks | 1 |
| Item part number | RTC132 |

## Images

![Original HC-12 wireless 433 SI4463 Serial Module with STM8S003F3P6 MCU - Image 1](https://m.media-amazon.com/images/I/61ODF+aFncL.jpg)

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**Shop now:** [https://www.desertcart.kr/products/383955638-original-hc-12-wireless-433-si4463-serial-module-with-stm8s003f3p6](https://www.desertcart.kr/products/383955638-original-hc-12-wireless-433-si4463-serial-module-with-stm8s003f3p6)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-03*