CMX868AD2
CML
Low Power V.22 bis Modem
MM74HC942N
NSC
300 Baud Modem
MM74HC942J
NSC
300 Baud Modem
MM74HC943N
NSC
300 Baud Modem
MM74HC943J
NSC
300 Baud Modem
SI2457-D-GT
Silicon Labs
V.90BIS ISOMODEM WITH GLOBAL DAA
TCM3105JL
Texas Instruments
asynchronous frequency-shift-keying (FSK) voice-band modem
TCM3105JE
Texas Instruments
asynchronous frequency-shift-keying (FSK) voice-band modem