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USB to Serial

USB to Serial Adapters supporting RS232, RS422, and RS485 signals from a USB serial interface, lower OS also supported. USBGear offers the USB to serial interface adapters in single or multiple ports and various configurations including cable length, RS232 TTL (terminal block), and style.

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  1. Industrial USB 2.0 to RS-232 Serial Adapter Optical Isolation

    USB-COM-SI-M USB RS-232 Industrial Adapter Metal case with DIN-Rail is designed for industrial applications, it is suitable for remote access, retail and industrial applications, data collection and other applications requiring high speed RS-232 serial communication port. Learn More
  2. 72in. USB to RS-232 Serial DB9 Adapter w/ Prolific Chip (Pl-2303HX)

    Regular Price: $20.89

    Special Price $6.27

    USB DB-9 Serial 72 inch RS-232 Adapter cable for connecting to serial devices without the need for an extension. This cable features RX/TX and Power LEDs indicators while it utilizes a Prolific Chipset. Learn More
  3. USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above
    $21.95

    This 3 ft. USB to Serial adapter is a tool of choice when supporting serial peripherals in newer computers without serial support. Now supported by Windows 11, this is an ideal solution for device support.

    • LED activity monitoring
    • Full support of RS-232 signals
    • USB bus powered
    • 3ft. cable connection
    Learn More
  4. High-Speed USB RS-232 Serial Adapter DB-9 Male FTDI Chipset - Windows 10
    $24.95

    Work smarter, not harder! this serial cable gives you the most simple way of attaching your notebook or desktop to a serial modem, mouse, or PDA. It lets you connect an serial RS232 device to a USB port! Learn More
  5. Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft. USB Extension Cable
    $20.85

    RS-232 | 128 Bytes Receive | 256 Bytes Transmit | FTDI

    • Expand Your Serial Capabilities: The Mini Serial Adapter can be utilized through an existing USB Port to work with your legacy serial connections. It’s great for newer technologies with no serial port connections.
    • Safe Connections: Designed with a unique system load reduction feature, the Mini USB to Serial Adapter also offers 15kV ESD protection for connected devices.
    • Upstream: 1 USB port, Type A Male Connector
    • Downstream: 1 Male DB9, w/ nuts
    • RS-232 Signals: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS, RI
    • Transmit Buffer: 256 Bytes
    • Receive Buffer: 128 Bytes
    • LEDs: TX / RX
    Learn More
  6. 12in. High-Speed USB to RS-232 Serial DB9 Adapter Cable - Windows 7/8

    Regular Price: $18.69

    Special Price $16.99

    Windows 7/8 Compatible 12 inch FTDI CHIP DB-9 Serial Adapter High Speed USB SERIAL RS-232 Learn More
  7. 6ft USB to DB-9 RS232 Serial Converter with FTDI Chipset

    6ft. USB to RS232 Converter with FTDI chip inside uses RX, TX, and Power LED indicators as it interfaces with your equipment. The USB to serial adapter won't give you any hassle as it installs as a standard COM port. Supports Windows 7 and VISTA (32 and 64-Bit). Learn More
  8. PROLIFIC CHIP 16 inch DB-9 Serial Adapter High Speed USB SERIAL RS-232

    For the computer users that require an RS-232 connection over a shorter cable length, this 12 inch USB to DB-9 converter cable (CG-RS232-P12) include RX/TX communication signals and Power LEDs that utilizes a Prolific Chipset. Learn More
  9. 36in. USB to RS-232 Serial DB9 Adapter w/ Prolific Chip (Pl-2303HX)

    3ft. DB-9 Serial Adapter High Speed USB SERIAL RS-232 Learn More
  10. 12 Inch USB to RS232 Serial Adapter FTDI Chip 920K with LED
    $17.47

    The GearMo USA-FTDI-A12 is short and to the point!  This 12 inch USB to RS232 serial adapter is the perfect portable connection for serial devices. Making use of the best FTDI Chip, RS232 serial connections are easy and convenient!

    • Incorporates FTDI Chip set
    • LED indication for power, RX, and TX
    • Supports baud rates of up to 1Mbps
    • Built-in static and surge protection
    • Works with Win 7, 8, 10, and Windows 11
    Learn More

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