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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. 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
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  2. 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
  3. 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
  4. 36 inch DB-9 Serial Adapter High Speed USB SERIAL RS-232 With FTDI Chipset

    Regular Price: $19.79

    Special Price $14.99

    Supports Windows 7 and 8 and Vista (32 and 64-Bit) with Microsoft Certified Drivers. This FTDI CHIP Adapter is with RX/TX and Power LED and supports OS X and VISTA! Want to connect your GPs, modem, or digital camera easily? Learn More

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