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  • -12% StarTech 4 Port USB to DB9 RS232 Serial Adapter Hub - Black
    StarTech 4 Port USB to DB9 RS2...
    The StarTech 4 Port USB to DB9 RS232 Serial Adapter Hub is a hardware device d... The StarTech 4 Port USB to DB9 RS232 Serial Adapter Hub is a hardware device designed to provide users with four additional serial ports through a single USB connection. With an external hub port style and a USB 2.0 bus type this adapter hub is... more
    Details
    $139.65 $123.27 Free Delivery Go to store
  • -15% Trendnet USB to Serial Converter
    Trendnet USB to Serial Convert...
    Compliant with USB 1.1 specifications. Supports RS-232 serial interface. Suppo... Compliant with USB 1.1 specifications. Supports RS-232 serial interface. Supports up to 500kbps data transfer rate. Compliant with Windows 98SE/ME/2000/XP(32/64-bit)/Vista (32/64-bit) Mac 10.1~10.4. Install as a standard Windows COM port Full RS-232... more
    Details
    $44.29 $37.57 Free Delivery Go to store
  • Treedix USB to RS485 RS422 Communication Module TVS Protection Converter Compatible with Windows 10 8 7 XP and Mac OS X
    Treedix USB to RS485 RS422 Com...
    Specification: Interface protection: TVS transient suppression protection func... Specification: Interface protection: TVS transient suppression protection function Chip: CH340 chip Baud rate: maximum baud rate 115200 Communication interface: RS-232 end: TXD-2 RXD-3 GND-5 RS-485 terminal wiring mode: A-A B-B USB physical... more
    Details
    $12.99 Free Delivery Go to store
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