USRobotics V.34 - Manual (Page 233)

COURIER HIGH SPEED MODEMS
Technical Specifications K-9
V.21
Originate Mode:
Mark: 980 Hz
Space: 1180 Hz
Answer Mode:
Mark: 1650 Hz
Space: 1850 Hz
RECEIVER CARRIER FREQUENCIES
V.34
Originate Mode: 1800 Hz
Answer Mode: 1800 Hz
Originate Mode: 1829 Hz
Answer Mode: 1829 Hz
Originate Mode: 1867 Hz
Answer Mode: 1867 Hz
Originate Mode: 1920 Hz
Answer Mode: 1920 Hz
Originate Mode: 1959 Hz
Answer Mode: 1959 Hz
Originate Mode: 2000 Hz
Answer Mode: 2000 Hz
V.Fast Class
Originate Mode: 1800 Hz
Answer Mode: 1800 Hz
Originate Mode: 1875 Hz
Answer Mode: 1875 Hz
Originate Mode: 1920 Hz
Answer Mode: 1920 Hz