Modem IC, 1.2kbps, CMOS, 5V, SOIC-16, Industrial
CML Microcircuits MX604TN Low Power 1200 Baud FSK Modem, 24-pin TSSOP
16-Pin Dual-Function Industrial IC, 3.3V, 0.0025A, R-PDIP-T16 Package
Modem, PDIP16