Electronics · Interface IC
WCH CH343G
Also recorded as CH343G and CH343
A cheap Chinese USB-to-serial bridge chip from WCH (Nanjing Qinheng Microelectronics), common in hobby electronics. On Geran flight controllers it gives the board a USB port.
- Maker
- Nanjing Qinheng Microelectronics Co., Ltd. (WCH)[1]
- Country
- China
- Found in
- 3 weapons, 4 recovered units on record
- Photos
- 4
Photos
The CH343G is a USB-to-serial bridge chip from WCH (Nanjing Qinheng Microelectronics), a common part in Chinese hobby electronics. WCH describes it as a full-speed USB 2.0 device that emulates a standard serial port at up to 6 Mbit/s.
HUR War & Sanctions has recorded it on the satellite-navigation board of the flight controller unit in the Geran-2, Geran-4 and Geran-5, where it gives the board a USB port for loading software and settings.
Specifications
Each figure names its source. A maker's figure is the maker's claim; nothing here was measured by us.
| Function | USB to high-speed asynchronous serial (UART) bridge Official claim[2] |
|---|---|
| USB interface | Full-speed, USB 2.0 compatible Official claim[2] |
| Serial speed | 50 bit/s – 6 Mbit/s Official claim[2] |
How it is marked
- WCH CH343G[1]
Used in
Sources
- HUR War & Sanctions war-sanctions.gur.gov.ua/en/components/6858
- WCH (Nanjing Qinheng) wch.cn/products/CH343.html
Last checked 2026-10-19.