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1~30PCS 100% New original MAX3381ECUP+T MAX3381ECUP MAX3381E package:TSSOP20 RS232 transceiver chip

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DB9 Male female bent foot 90-degree welded plate DR9 pin RS232 VGA conversion serial port DR-9S

DB9 Serial Port Single Head Male and Female RS232 RS485 Connection Wire 38 Pin 9-pin COM Port 235 Terminal Wire

Industrial RS232 To RS485 Module 3.3V/5V Power Supply Serial Port Debugging Assistant RS232 To RS485 Adapter Module