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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. 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
  2. Industrial USB 2.0 to RS-232 Serial High-Speed Adapter w/ DIN-Rail Bracket
    $36.29

    High speed serial adapter for single port RS232 communication via a USB 2.0 connection utilizing FTDI chipset. Designed with an industrial chassis the serial adapter can be mounted with Din rail brackets and supports LED status indicators for power, TxD, and RxD signals. Learn More
  3. USB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable
    $14.29

    USB to Serial RS-232 DB9 mini adapter with USB 2.0 extension cable is a FTDI based adapter that converts a USB port into a RS232 serial port capable of speeds up to 921,600 bps. It is designed to make serial port expansion easy with plug and play and built-in drivers for older Windows systems. It is installed as a standard Windows COM port. Learn More
  4. Mini USB Serial Adapter Hi-Speed 920K FTDI Chip

    The Mini USB serial adapter Hi-Speed 460K FTDI Chip PC DB-9 RS232 is supported by Windows 10, and offers High-Speed and the convenience of a plug-and-play feature so your time isn't taken after it's connected. Perfect for use with modems, PDA's, GPS, Industrial Devices, cell phones, digital cameras and more. Learn More
  5. 2 PORT USB to Serial RS-232 DB-9 Adapter Industrial Metal Housing
    $60.48

    USB Dual Serial Adapter provides instant connectivity with modems, ISDN TAs, PDAs, handheld & pocket PCs, digital cameras, POS, serial printers. It is suitable for remote access, retail and industrial applications, data collection and other applications requiring high speed RS-232 serial communication ports. Learn More
  6. Dual Port USB to Serial RS-232 DB-9 Adapter Cable FTDI Chip
    $43.98

    Dual Port USB to Serial RS-232 DB-9 Adapter Cable FTDI Chip Learn More
  7. 4-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate
    $43.98

    Connect 4 new or additional Windows COM ports through this FTDI, the USB to serial adapter outputs are automatically configured once connected to give you an easy plug-and-play installation. Learn More
  8. 4 Port Professional RS-232 USB 2.0 to Serial Adapter w/Nuts

    Add a 4 Port RS232 to USB adapter to your system without having to configure it! The USA-FTDI4x-NUT USB to Serial Adapter protects your devices from ESD and high voltage spikes and other electrical surges that may cause damage.

    • Automatic handshaking
    • 3ft. cable connection
    • Compatible with serial office equipment
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  9. 4-Port Compact Industrial USB to RS-232 w/ 1m Octopus Cable & DIN Rail

    Regular Price: $109.95

    Special Price $96.70

    4-Port RS-232 USB to serial adapter adds four industrial RS-232 serial ports by connecting to a USB host port and can be mounted to a Din rail conveniently for stable connections. it is compliant with USB 1.1/2.0 compatible Speed 480 Mbps, hi-speed USB and supports FIFO 128 byte transmit FIFO 384 receive FIFO. Learn More
  10. Industrial USB 8 Port Serial RS-232 adapter w/FTDI Chipset, COM Retention, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
    $126.49

    Gearmo USB 8 Port Serial RS232 featuring FTDI Chipset with LED Indicators Industrial Version

    • 8x DB9 Serial Ports
    • Power, RX, TX, LED Indicators
    • Surface/Wall and DIN Rail mounting brackets included
    • Supports Self Power and Variable Voltage input 9 ~ 48V
    • Rugged Metal Chassis
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