US Robotics COURIER - Page 206

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V.23
Originate Mode:
Mark: 1300 Hz
Space: 2100 Hz
Answer Mode:
Mark: 390 Hz
Space: 450 Hz
V.22 bis, V.22, Bell 212A
Originate Mode: 2400 Hz
Answer Mode: 1200 Hz
Bell 103
Originate Mode:
Mark:
2225 Hz
Space:
2025 Hz
Answer Mode:
Mark:
1270 Hz
Space:
1070 Hz
V.21
Originate Mode:
Mark:
1650 Hz
Space: 1850 Hz
Answer Mode:
Mark: 980Hz
Space: 1180 Hz
RECEIVE SENSITIVITY
- 44 dBm± 2 dBm
TRANSMIT LEVEL
- 9 dBm maximum
COURIER HIGH SPEED MODEMS
TRANSMITTER FREQUENCY TOLERANCE
.01%
Technical Specifications H-7