RS-232 Transceiver, 2Tx/2Rx, 120Kbps, 5V, PDIP
5V RS-232 Transceiver, 2Tx/2Rx, 120Kbps, Full Duplex, PDIP
5V RS-232 Transceiver, 2Tx/2Rx, 120kbps, DIP
5V RS-232 Transceiver, 2Tx/2Rx, 120kbps, PDIP
Dual Transmitter/Receiver RS-232 20-Pin PDIP N Tube