2400 BPS Internal Modem (25-3555) Specifications Faxback Doc. # 4777 COMPATIBILITY: Bell 212A,103,113 RECEIVER SENSITIVITY: -43 dBm TRANSMIT LEVEL: -10 dBm DATA RATES: 2400,1200,300 LINE IMPEDANCE: 600 ohms CMD BUFFER: N/A MODULATION: 2400-Quadrature SPEAKER: N/A Amplitude DATA FORMATS: 10-bit serial binary 1200-Differential asynchronous Phase-shift TESTING MODES: N/A 300-Frequency-Shift (dkh-07/28/93)