• V.23 1200/75, 1200/1200, 75, 1200 bps FSK
• Bell 202 1200/150, 1200/1200, 150, 1200 bps FSK
• V.21 or Bell 103 300/300 bps FSK
• Low Voice Falsing DTMF Decoder
• DTMF/Tones Transmit and Receive
• Low Power - High Performance