Welcome To USBGear

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.

Grid List

Set Descending Direction

51-60 of 71

  1. USB Type-C 4-Port Serial Adapter

    4 Port USB-C to Serial adapter with RX/TX LED Indicators easily adds 4 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11.

    • RXD, TXD Status LED Array
    • Easy Plug and Play installation
    • USB interface: standard Type-C female
    • Baud rates up to 921.600bps
    Learn More
  2. 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
    Learn More
  3. USB to serial 4 Port DB-9 RS-232 Adapter with FTDI Chip

    USB bay docking USBG-BAY4 serial adapter box supports Windows 7 and Vista (32 and 64-Bit) RS232 Port X 4 feature a rugged metal enclosure! Multiple modules can be added to a single USB interface allowing you to add RS232 connectivity as needed. Learn More
  4. 4-Port DB-9 RS232 to USB Adapter with Isolation and Surge Protection
    $249.99

    4-x port RS232 to USB adapter with isolation and surge protection each serial ports offer data transfer rate up to 920 Kbps for high system performance. Users are able to connect multiple serial devices through one USB port on their system. Learn More
  5. Professional Quad Port USB to Serial DB-9 RS-232 Adapter
    $98.95

    USB 2.0 quad port serial DB-9 RS-232 adapter box is designed to make serial port expansion quick and simple. It instantly adds four RS-232 serial communication ports to your system with no conflicts with FTDI Chipset Learn More
  6. USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232

    Windows 10 mountable 4-port serial cable adapter helps expand to four DB-9 connections from an available USB host port. The USB to serial adapter uses the FTDI FT232RL Chips, Mutli TT USB 2.0 GL852 Chip and ZT213LFEA Zywyn Corporation to achieve its high speed output. Learn More
  7. 4-Port USB DB-9 Serial Adapter Solution for Windows Operating Systems

    provides instant connectivity with modems, ISDN TAs, PDS, handheld & pocket PCs, digital cameras, POS, serial printers, etc. It is suitable for remote access, retail and industrial applications, data collection and other applications requiring a high speed serial communications port. Learn More
  8. 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
  9. Industrial 8-Port DB-9 RS232 to USB Adapter High-Speed FTDI Chip 921.6Kbps

    The USBG-8COM-M is a 8S RS232 to USB serial adapter that is designed for PC, thin client, or server to provide instant COM port expansion via the Universal Serial Bus (USB). The USBG-8COM-M provides the scalability to quickly adapt to new USB technologies. 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
    Learn More

Grid List

Set Descending Direction

51-60 of 71