Overview
Function Description
CH343G is a USB bus adapter chip, which can convert USB to a high-speed asynchronous serial port, supports automatic identification and dynamic
self-adaptation of communication baud rate of 115200bps and below, and provides commonly-used MODEM contact signals to expand asynchronous
serial ports for computers. It can upgrade a common serial device or MCU directly to a USB bus.

Features
1.USB TO RS485 Bidirectional Converter

2.Onboard Original Chips
Onboard Original CH343G And SP485EEN Chips, Providing Better Stability And Compatibility, Built-In Lightningproof Tube, Resettable Fuse, ESD And TVS Protection Circuits, Etc.

3.Transmission Distance Up To 1.2km
The USB Signal Can Be Converted Into A Balanced Differential RS485 Signal And The Transmission Rate Is Stable. The Reliable Speed Is 300bps ~
3Mbps, The Transmission Distance Is About 1.2km For RS485, And About 5 Meters For USB.

4.Multi System Support
Supports Mac, Linux, Android, WinCE, Win11/10/8.1/8/7/XP, Etc.

5.Working Status Indicators
Onboard 3 LEDs For Indicating The Power And Transceiver Status

Parameter
Product Type-----USB to 485
Power Supply-----5V
Communication Rate-----50bps ~ 3Mbps
Operating System-----Mac OS, Linux, Windows 11 / 10 / 8.1 / 8 / 7, Android

Package Content
USB TO RS485 (B) x1
USB-A male to female cable x1
Screwdriver x1

Note
Online development resources are provided, please contact us if you have any problem .