5V RS-232 Bus Transceiver, 2Tx/2Rx, 200Kbps, Through Hole
IC Tx/rx RS-232 5V W/sd 18DIP
2Tx/2Rx RS-232 Bus Transceiver, 5V, 200Kbps, PDIP
Dual Transmitter/Receiver RS-232 18-Pin PDIP N Tube