---
product_id: 556262336
title: "TECHTONICS USB to RS485 Industrial Converter Module Adapter Board"
brand: "techtonics"
price: "HK$3"
currency: HKD
in_stock: false
url: https://www.desertcart.hk/products/556262336-techtonics-usb-to-rs485-industrial-converter-module-adapter-board
store_origin: HK
region: Hong Kong
---

# Anti-lightning & surge protection 115200bps error-free data rate 1.2KM industrial communication range TECHTONICS USB to RS485 Industrial Converter Module Adapter Board

**Brand:** techtonics
**Price:** HK$3
**Availability:** ❌ Out of Stock

## Summary

> 🔗 Connect Smarter, Work Stronger – The Industrial USB RS485 Powerhouse

## Quick Answers

- **What is this?** TECHTONICS USB to RS485 Industrial Converter Module Adapter Board by techtonics
- **How much does it cost?** HK$3 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/556262336-techtonics-usb-to-rs485-industrial-converter-module-adapter-board)

## Best For

- techtonics enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play USB Interface:** Easily connects to your PC with CH340 driver support for instant RS485 device control.
- • **Multi-Device Compatibility:** Supports up to 256 devices on the RS485 bus, perfect for complex automation systems.
- • **Industrial-Grade Durability:** Built to withstand harsh environments with anti-static shock and high pulse voltage protection.
- • **Lightning-Fast Data Transfer:** Supports up to 115200bps baud rate ensuring error-free, high-speed communication.
- • **Seamless Long-Distance Communication:** Reliable data transmission up to 1.2 kilometers for expansive industrial setups.

## Overview

The TECHTONICS USB to RS485 Industrial Converter Module Adapter Board is a rugged, high-performance communication tool designed for industrial environments. Featuring anti-lightning, anti-static, and high pulse voltage protections, it ensures stable and error-free data transmission at speeds up to 115200bps over distances up to 1.2KM. With plug-and-play USB connectivity and support for up to 256 devices, it’s the ultimate solution for industrial automation, monitoring, and control systems.

## Description

Specifications: Color Blue Power Supply 5V Baud Rate(bps) 75 to 115200 Operating Temperature (°C) -40 to 85 Communication Distance(m) 1200 Length (mm) 70 Width (mm) 27 Height (mm) 13 Weight (gm) 16 Pin Description: pin 1: A--485 Signal Terminal A pin 2: B--485 Signal Terminal B pin 3: GND--485 signal ground (optional) pin 4: GND- external power supply ground (can be used to supply power to other equipment or it can be empty) pin 5: VCC - external power supply 5V+(can be used to supply power to other equipment or it can be empty) Wiring instructions USB interface: plug directly into the computer USB interface when using RS485 bus interface: module A interface is connected to target device A interface, module B interface is connected to target device B interface (some device flags D+ means A, D- means B) Up to 256 related devices can be attached to the bus Steps for usage: Download and install the CH340 driver first Wire the device Insert the RS485 module into the computer, check the mapped serial port number in the “Device Management Department” of the system, then select the corresponding serial port number in your application software and open the serial port to send and receive data Applications Parameter setting of various RS485 port devices, data transmission communication and LED display communication data, etc. Monitoring data reading and writing and PTZ control Home appliance control Various industrial automation, instrumentation Access control system, charging system, attendance system, etc. Package Includes 1 x Industrial USB to RS485 Bidirectional Half duplex Serial Line Converter

## Features

- USB to RS485 Industrial Converter Module Adapter Board is designed in accordance with industrial standards.
- It has anti-lightning and anti-static shock, limited slope drive, effectively suppresses electromagnetic interference, and solves the superposition of effective signal and invalid signal on the transmission circuit.
- The error-free data transmission rate is up to 115200bit. With TVS transient suppression protection to prevent internal chip damage caused by level incompatibility, with receiving and transmitting lights; anti-high pulse voltage protection.
- Communication distance can reach 1.2KM, with industrial site anti-interference ability

## Product Details

- **Compatible devices:** Industrial automation equipment, Instrumentation, Access control systems, Charging systems, Attendance systems, Home appliances
- **Specific uses for product:** PC
- **Connector type:** USB
- **Colour:** Blue
- **Brand:** TECHTONICS

## Images

![TECHTONICS USB to RS485 Industrial Converter Module Adapter Board - Image 1](https://m.media-amazon.com/images/I/61KKkz-3mxS.jpg)
![TECHTONICS USB to RS485 Industrial Converter Module Adapter Board - Image 2](https://m.media-amazon.com/images/I/51kEmIATKcS.jpg)
![TECHTONICS USB to RS485 Industrial Converter Module Adapter Board - Image 3](https://m.media-amazon.com/images/I/51kZdbuYn4S.jpg)
![TECHTONICS USB to RS485 Industrial Converter Module Adapter Board - Image 4](https://m.media-amazon.com/images/I/61RdjKQoeZL.jpg)
![TECHTONICS USB to RS485 Industrial Converter Module Adapter Board - Image 5](https://m.media-amazon.com/images/I/51+G8LFjh-L.jpg)

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**Shop now:** [https://www.desertcart.hk/products/556262336-techtonics-usb-to-rs485-industrial-converter-module-adapter-board](https://www.desertcart.hk/products/556262336-techtonics-usb-to-rs485-industrial-converter-module-adapter-board)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-12*