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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. 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
  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. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 36in FTDI USB to Serial Cable for MAC PC Linux, Win 11 w/ Tx/Rx LEDs
    $19.67

    Windows 11 USB to serial RS232 adapter with FTDI chip is adeal for your 36 inch connection from your host USB port, the serial adapter has a 300bps to 1Mbps Baud Rate and built-in statics and electrical surge protection up to 600W. Learn More

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