GMDSS: Element 3

1. A Voice at 16 kbps, Fax at 14.4 kbps and high-speed Data at 64/54.
2. B Store and forward high speed data at 36/48 kbps.
3. C Voice at 3 kHz, Fax at 9.6 kbps and Data at 4.8 kbps.
4. D Service is available only in areas served by highly directional spot beam antennas.

Tip: press A-D to answer