USB to RS232 Serial Converter Cable, Wire Ended, 5V Output, 5m Length
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USB to RS232 Serial UART Converter Cable, Wire Ended, 1.8m, 3.3V Output
USB to UART cable with +3.3V signal level, 6 way 0.1" pitch SIL connector
USB-A to RS-485 / RS-422 Industrial Serial Adapter Cable with 5-Pin Terminal Block
Edgeport/4s - 4 Port RS-232/422/485 USB to Serial Converter, Software Selectable

USB Serial Converter - GPS Antennas External Active Antenna - 3-5V 28dB 5m SMA
USB to TTL Serial UART Converter Cable, 3.3V logic, Wire-Ended, 1.8m

16-Bit Dual DAC, 1600MS/s, 16b Resolution, 1.8W Power Dissipation, USB, SPI, LVDS, Serial Interface