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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. 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
  2. USB to RS-422/485 Converter w/ DB9 Male Surge Protection
    $71.38

    Surge protection and optical isolation RS 422/485 DB9 male ports Speed up to 921.6kbps no external power supply Supports Windows 7 and Vista (32 and 64-Bit) Overview Isolated industrial serial ports on USB connect RS-422 and RS485 devices, used in industrial environment. Learn More
  3. 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
  4. 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
  5. 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
  6. USB to Serial RS232 DB9 Adapter FTDI Chipset w/ 15kV ESD Protection, Windows 11 Support
    $19.90

    RS-232 | 512 Bytes Receive | 512 Bytes Transmit | FTDI

    • Expand Your Serial Capabilities: Connect your legacy 9-pin serial device through a USB-A port to add legacy functionality to 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.
    • Plug-&-Play: The adapter’s power is drawn from a USB connection for ease of access and is compatible with Windows (up to Win 11), Mac OS, and Linux.
    • COM Retention: COM Ports are fully configurable, and after reboots, port assignments are preserved.
    • Upstream: 1 USB port, Type A Male Connector
    • Downstream: 1 Male DB9, w/ nuts
    • LEDs: Power, TX / RX
    Learn More
  7. 6ft. USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & FTDI Chipset
    $21.04

    RS-232 | 512 Bytes Receive | 512 Bytes Transmit | FTDI

    • Expand Your Serial Capabilities: Connect your legacy 9-pin serial device through a USB-A port to add legacy functionality to 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.
    • Plug-&-Play: The adapter’s power is drawn from a USB connection for ease of access and is compatible with Windows (up to Win 11), Mac OS, and Linux.
    • COM Retention: COM Ports are fully configurable, and after reboots, port assignments are preserved.
    • Upstream: 1 USB port, Type A Male Connector
    • Downstream: 1 Male DB9, w/ nuts
    • LEDs: Power, TX / RX
    Learn More
  8. USB to RS-232 Serial Adapter DB9 - 8 Inch Short Cable
    $17.59

    This USB to RS-232 Serial adapter is Windows 11 supported. This standard USB to RS-232 Serial Adapter unit is compatible with most GPS and PDA devices including Garmin, Magellan, and Palm. Learn More
  9. 36 inch USB to Serial RS232 FTDI professional adapter

    36 inch rs232 serial adapter with a quality FTDI chipset FT232RL and incorporates a noise reducing ferrite core ring for a clean serial signal. Works with Windows 10 and works with applications such as industrial, lab, and office environments. Learn More
  10. USB-C 2.0 to Serial RS-232 16 Inch Adapter w/ LED Indicators
    $31.85

    This NEW 16 inch USB C to Serial RS232 adapter uses the new type-C USB connector technology for easy, reversible connections. The same great tool of choice when supporting serial peripherals in newer computers without serial support with a C port host. Supported by Windows 11, this is an ideal solution for serial device support. Learn More

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