USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter

  • Single cable USB to serial communication
  • USB full speed communication and bus-powered
  • Supports automatic handshake mode
  • Supports the RS-232 serial interface (standard 9-pin serial)
  • 1-ft or 0.3m length

The SABRENT CB-DB9P USB to Serial converter is the perfect solution for transferring data from a PDA or digital camera.

The USB to DB9 provides a connection between an available USB port and the more traditional RS-232 serial port found on many devices.

This adapter is designed for connections to cellular phones, PDAs, digital cameras, modems, or ISDN terminal adapters through your USB port.

Simply plug your device into the adapter and the adapter into your PC or Mac.

COM ports and Baud rates can be modified to desired set up.



  • Provides the connection between USB and the traditional RS-232 serial port
  • Works with cellular phones, PDA, digital cameras, modems, and others
  • 1 ft.
  • Supports the RS-232 serial interface (standard 9-pin serial)
  • Supports automatic handshake mode
  • USB full speed communication and bus-powered
  • No power supply needed, plug and play
  • Single cable USB to serial communication
  • Easy installation


Compatible With

  • Windows 10
  • Windows 8.1/8
  • Windows 7
  • Windows Vista
  • Windows XP
  • Windows 2000
  • Linux 2.4 or Above
  • Mac OS 8.6 or Above

Tech Specs






3.4 oz

Package Dimensions

3.4 x 7.36 x 5.16 in



1-year warranty without registration

Register your product to extend your warranty coverage to 2 years


Why Register Your Sabrent Product?

Registration of your Sabrent product enables us to offer you the best service through important recall notifications and proof of ownership. Registering within 90 days of your purchase makes sure you don’t forget this important step, and it allows us to extend your warranty. A 1-year warranty will be extended to a 2-, 3-, or 5-year warranty depending on the product type.

What chipset is this using?

The CB-DB9P uses a Prolific PL2303GS.

What if I need to modify details about the chipset?

Prolific offers an EEPROM Writer, or EEWriter.