---
product_id: 536343745
title: "waveshare USB to RS485/RS232/TTL Converter Industrial Grade Isolated USB Adapter with CH343G Chip, Support Linux, Android, Windows 11/10 / 8.1/8 / 7, etc. Multi-Protocol/Multi-Type Conversion"
brand: "waveshare"
price: "¥263"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/536343745-waveshare-usb-to-rs485-rs232-ttl-converter-industrial-grade-isolated
store_origin: JP
region: Japan
---

# Up to 2 Mbps baud rate Multi-protocol USB↔RS232/RS485/TTL conversion Industrial-grade isolation & surge protection waveshare USB to RS485/RS232/TTL Converter Industrial Grade Isolated USB Adapter with CH343G Chip, Support Linux, Android, Windows 11/10 / 8.1/8 / 7, etc. Multi-Protocol/Multi-Type Conversion

**Brand:** waveshare
**Price:** ¥263
**Availability:** ❌ Out of Stock

## Summary

> 🔌 Connect Like a Pro, Isolate Like a Boss!

## Quick Answers

- **What is this?** waveshare USB to RS485/RS232/TTL Converter Industrial Grade Isolated USB Adapter with CH343G Chip, Support Linux, Android, Windows 11/10 / 8.1/8 / 7, etc. Multi-Protocol/Multi-Type Conversion by waveshare
- **How much does it cost?** ¥263 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/536343745-waveshare-usb-to-rs485-rs232-ttl-converter-industrial-grade-isolated)

## Best For

- waveshare enthusiasts

## Why This Product

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

## Key Features

- • **Blazing Fast Data Transfer:** Experience ultra-responsive communication with up to 2 Mbps baud rate powered by the original CH343G chip.
- • **Plug & Play Across Platforms:** Effortlessly compatible with Windows, Linux, Android, and Mac—future-proof your connectivity with broad OS support.
- • **Built to Withstand the Elements:** Lightning-proof, surge, and ESD protections plus a rugged aluminum alloy enclosure for durability in harsh environments.
- • **Rock-Solid Industrial Isolation:** Stay worry-free with onboard unibody power and digital isolation, ensuring stable voltage and superior anti-interference.
- • **Universal Multi-Protocol Support:** Seamlessly convert USB to RS232, RS485, or TTL (UART) with a single device—perfect for diverse industrial setups.

## Overview

The Waveshare USB to RS485/RS232/TTL Converter is an industrial-grade isolated adapter featuring the original CH343G chip for fast, stable communication up to 2 Mbps. It supports multi-protocol conversion with robust surge, lightning, and ESD protection housed in a durable aluminum enclosure. Compatible with Windows, Linux, Android, and Mac, it ensures seamless, reliable connectivity for professional and industrial applications.

## Description

Description  Fully automatic transceiver circuit with no delay, ensures the USB port communicates with different interfaces fastly and stably, without interfering each other Aluminium alloy enclosure, solid and durable 3 LEDs for indicating the power and transceiver status High quality USB-B and RS232 connectors, smoothly plug/pull  Specifications  (1) USB Operating voltage : 5V Connector: USB-B Protection : 200mA self-recovery fuse, isolated output  (2) RS232 Connector: DB9 male Protection: TVS diode, surge protection & ESD protection Transmission mode: Point-to-point Baud rate: CH343G: up to 600000 bps (not full band)  (3) RS485 Connector: Screw terminal Pins: A+/B-/GND Direction control: Hardware automatically discriminates and controls the direction of data transmission Protection : 600W lightningproof and surge-suppress, 15KV ESD protection (reserved 120R balancing resistor solder pads Transmission mode: Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more) Baud rate: CH343G: up to 2 Mbps (not full band)  (4) TTL (UART) Operating voltage: 3.3V / 5V Connector : Screw terminal Pins: TXD, RXD, GND, 5V Protection: clamp protection diode, over-voltage/negative-voltage proof, shock resistance Transmission mode : Point-to-point Baud rate : CH343G: up to 2 Mbps (not full band)  (5) Indicators PWR: Red power indicator, light up when there is USB connection and voltage is detected TXD: Green TX indicator, light up when the USB port sends data RXD: Blue RX indicator, light up when the device ports send data back  (6) Operating environment  Temperature: -15℃ ~ 70℃ Humidity: 5%RH ~ 95%RH  Online Document: n9.cl/3zlsz  Package Content USB Converter x1 USB Cable ~1.2m x1

## Features

- 【Original Industrial Grade Chip】Industrial Grade Isolated USB Converter, Adopt original CH343G inside, fast communicating, stable and reliable, better compatibility.
- 【Safer Isolated Design】Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption.
- 【Multi-protocol & Multi-type Conversion】USB  TO   RS232, RS485 or TTL(UART); RS232, RS485 or TTL(UART)  TO   USB. Note: only one of the RS232, RS485, and TTL can be converted to USB at the same time; And RS232, RS485, and TTL cannot be converted between each other
- 【Multiple Protection, Safe And Stable】Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance.
- 【Multi system Support】Supports Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7, etc. Onboard TTL serial 3.3V/5V voltage translator, config the TTL level via switch.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BM38NGCL |
| Best Sellers Rank | #583 in Serial Adapters |
| Brand | waveshare |
| Color | USB TO RS232/485/TTL-CH343G |
| Customer Reviews | 4.7 4.7 out of 5 stars (24) |
| Date First Available | November 11, 2022 |
| Item Dimensions LxWxH | 2.76 x 2.76 x 0.39 inches |
| Item Weight | 7.7 ounces |
| Item model number | To Muti TTL-B Ver-B |
| Manufacturer | Waveshare |
| Product Dimensions | 2.76 x 2.76 x 0.39 inches |

## Product Details

- **Compatible devices:** Television
- **Specific uses for product:** PC
- **Connector type:** Serial Adapter
- **Colour:** CH343G ver
- **Item dimensions L x W x H:** 7 x 7 x 1 centimetres

## Images

![waveshare USB to RS485/RS232/TTL Converter Industrial Grade Isolated USB Adapter with CH343G Chip, Support Linux, Android, Windows 11/10 / 8.1/8 / 7, etc. Multi-Protocol/Multi-Type Conversion - Image 1](https://m.media-amazon.com/images/I/71C+L0TtfqL.jpg)
![waveshare USB to RS485/RS232/TTL Converter Industrial Grade Isolated USB Adapter with CH343G Chip, Support Linux, Android, Windows 11/10 / 8.1/8 / 7, etc. Multi-Protocol/Multi-Type Conversion - Image 2](https://m.media-amazon.com/images/I/71rA4u4cjQL.jpg)
![waveshare USB to RS485/RS232/TTL Converter Industrial Grade Isolated USB Adapter with CH343G Chip, Support Linux, Android, Windows 11/10 / 8.1/8 / 7, etc. Multi-Protocol/Multi-Type Conversion - Image 3](https://m.media-amazon.com/images/I/71pXOzZ07xL.jpg)
![waveshare USB to RS485/RS232/TTL Converter Industrial Grade Isolated USB Adapter with CH343G Chip, Support Linux, Android, Windows 11/10 / 8.1/8 / 7, etc. Multi-Protocol/Multi-Type Conversion - Image 4](https://m.media-amazon.com/images/I/710-yKWOG1L.jpg)
![waveshare USB to RS485/RS232/TTL Converter Industrial Grade Isolated USB Adapter with CH343G Chip, Support Linux, Android, Windows 11/10 / 8.1/8 / 7, etc. Multi-Protocol/Multi-Type Conversion - Image 5](https://m.media-amazon.com/images/I/71mYfu+wQrL.jpg)

## Available Options

This product comes in different **Colour Name** options.

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-25*