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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$39.99 As low as: $35.66Supports Windows 10, 8, 7 and Vista (32 and 64-Bit), this USB 2-port Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub. Learn More -
$39.95 As low as: $34.55The USBG-422MINI is a surge and static protected Mini USB to RS-422/485 Plug-in Adapter using terminal wire connection. The USB to Industrial Single RS-422/485 Plug-in Adapter is designed to make port expansion easy. Learn More -
$21.95This 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
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$71.38Surge 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 -
$20.85Learn MoreRS-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
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$19.67Windows 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 -
$49.45Industrial serial ports on USB connect RS-422 and RS485 devices, used in industrial environment. With RS-485 the data direction is controlled by the port, without further action from the software. Learn More -
$17.47The 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
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$32.87Reliability and a high performance FTDI Chip puts the GM-485422 USB to RS485, RS422 serial converter at the cutting edge of serial communication. With a terminal board connector included, this small, portable, and convenient solution is a must have tool. Learn More -
$19.90RS-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
Recent Reviews
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5.0 out of 5 stars
Just what I needed..
I wanted to sync a Palm IIIxe with a state of the art laptop running
(Review by Mickey Maguire) -
5.0 out of 5 stars
Works.
Not much to say, it just works.
(Review by Darrian B) -
5.0 out of 5 stars
Perfect length and a low-profile right angle connector for my project..
Short SATA cable with a low-profile angle connector to fit in tight cases like this
(Review by Steve in Seattle)