# USB to RS232 converter, serial, CH340, 9 pins

> USB to RS232 (serial) converter with CH340 chipset, RS232 DB9 male port with 9 pins and hand-tightened screw fastening. Powered at 5VDC from USB, supports remote wake-up and power management. Compatible with most Windows versions after installing the CH340 driver. Dimensions: 67 x 37 x 17mm.

- Page: https://sigmanortec.ro/en/usb-to-rs232-converter-serial-ch340-9-pins
- Price: 13.19 RON
- Availability: In stock; 1-2 zile
- Reference: 9559 · EAN: 5947156957800
- Category: Mechatronics and IoT > Serial and CAN Converters
- Package (shipping data): 0.022 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:33 (Europe/Bucharest)

## Description

Quickly connect RS232 devices to your PC or laptop via USB, using the CH340 chipset for stable communication. Provides RS232 DB9 male port with hand-held screw clamp, 5V direct power from USB and support for remote wake-up and power management. Works with most Windows versions by installing the CH340 driver. Compact size for easy integration.
Serial converter from USB to RS232 (DB9), which uses the integrated CH340 for communication with the computer. Supports remote wake-up and power management.
The board may be incompatible with the latest version of the CH340 driver (2023). Download the driver from the Download section.
It is compatible with most versions of Windows as long as it is possible to install the CH340 driver.
The DB9 connector has a tightening mechanism with a screw by hand (without a screwdriver).
Specifications:
Supply voltage: 5VDC from USB
Ports: USB 2.0 to RS232 Male with 9 pins
Interface: RS232
Driver: CH340
Dimensions mm: 67 x 37 x 17mm