Ugreen USB to DB9 RS-232 Adapter Cable 1.5m UG- 20211
Ugreen USB to DB9 RS-232 Adapter Cable 1.5m UG- 20211 is a reliable connectivity solution for connecting legacy serial devices to modern computers via an available USB-A port. It features a Prolific PL2303 chipset (or FTDI FT232R in some variants, depending on the retailer and manufacturing batch) and supports data transfer rates up to 1 Mbps.
Specifications
- Model: UG-20211 / CR104
- Interface: USB-A 2.0 male to DB9 (9-pin) male (RS-232)
- Cable Length: 1.5 meters (approximately 4.9 feet)
- Chipset: Features a reliable FTDI FT232R or Prolific PL2303 chipset, depending on the variant (both known for wide compatibility and stability)
- Data Transfer Rate: Supports up to 1 Mbps (or 921,600 bps, depending on the source)
- Operating System Compatibility: Works with Windows (11/10/8.1/8/7/Vista/XP), macOS (10.6 and above), and Linux systems
- Power Supply: Powered through the USB connection, requiring no external power adapter
- Construction: Features durable materials, including a PVC jacket or a more rugged nylon-braided sheath, and gold-plated connectors for longevity










