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4X USB to RS232 RS485 USB Serial Communication Module Industrial Grade USB-232/485 Signal Converter
232 signal: RXD TXD GND -485 signal: A+ B- Support USB Port: USB2.0 Compatible USB1.1 Size: 6.32 x 2.73 x 13.8cm Usage: -40°C to 85°C relative humidity 5% to 95% Colour: black Material: plastic Package Contents: 4 x USB-232/485 Converter Only the...
$41.14 $36.67 Free Delivery