1200/2400/4800 Baud FFSK Modem

1200/2400/4800 Baud FFSK Modem

1200/2400/4800 Baud FFSK Modem

1200/2400/4800 Baud FFSK Modem

1200/2400/4800 Baud FFSK Modem

1200/2400/4800 Baud FFSK Modem

1200/2400/4800 Baud FFSK Modem

1200/2400/4800 Baud FFSK/MSK Modem

1200/2400/4800 Baud FFSK/MSK Modem

1200/2400/4800 Baud FFSK/MSK Modem

AMPS / TACS Quad Filter Array

AMPS / TACS Quad Filter Array

AMPS / TACS Quad Filter Array

Audio Bandpass Filter

Audio Bandpass Filter

Audio Bandpass Filter

Selcall Tone Codec with Microprocessor Interface

Selcall Tone Codec with Microprocessor Interface

Selcall Tone Codec with Microprocessor Interface

Selcall Tone Codec with Microprocessor Interface

Selcall Tone Codec with Microprocessor Interface

AUDIO PROCESSOR

AUDIO PROCESSOR

AUDIO PROCESSOR

AUDIO PROCESSOR

Baseband Signal Processor

Baseband Signal Processor

Baseband Signal Processor

Baseband Signal Processor

Bell 202 Compatible Modem

Bell 202 Compatible Modem

Bell 202 Compatible Modem

C-Net Audio Processor

C-Net Audio Processor

C-Net Audio Processor

C-Net Audio Processor

Call Progress Decoder

Call Progress Decoder

Call Progress Decoder

Call Progress Tone Detector

Call Progress Tone Detector

Call Progress Tone Detector

Call Progress Tone Detector

Calling line identifier

Calling line identifier

Calling line identifier

CONTINUOUSLY VARIABLE SLOPE DELTA MODULATION (CVSD)

CONTINUOUSLY VARIABLE SLOPE DELTA MODULATION (CVSD)

Continuously Variable Slope Delta Modulation (CVSD) Codec