Product Name : USB to TTL RS232 RS485 Serial Port Adapter
Function : Multi-function Serial Port Converter
Output : CTS, DSR, RXD, TXD, DTR, RTS, VCC, GND, DATA A, DATA B
Compatible : USB 3.0 USB 2.0 USB 1.1
Environmental range: industrial temperature -40-85. Humidity 5%RH-95%RH