Bluetooth Serial Adapter RS232/RS485 Serial Port Class 1/ Class 2 Wireless Data Transfer For POS/Cash Register
Original WT32-ETH01 ESP32 Ethernet Ethernet Module With Embedded Serial Port For IOT Gateway And Esp32 Devkit RF Module
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$9.30 - $9.50
Min Order: 1 piece
Shipping per piece: $6.16
4G Single Network Port Elfin-EG46 RS232/485 to router All Netcom data transmission High speed serial port
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$46.50 - $49.50
Min Order: 5 pieces
Shipping per piece: $7.06