A wide range of maritime communications solutions
| Service | Fleet F77 | Fleet F55 | Fleet F33 |
| Coverage | Global voice & data | Global voice Spot data & fax |
Global voice Spot data & fax |
| Voice | Global/digital | Global/digital | Global/digital |
| Data (circuit switched) | 64 kbps ISDN (Euro standard) 128 kbps (on option) |
64 kbps ISDN (Euro standard) | 9.6 kbps data service |
| Data (MPDS) | MPDS standard fit (max 65 kbps) | MPDS standard fit (max 65 kbps) | MPDS – data service (max 28.8 kbps) |
| Fax | 2.4 kbps 9.6 kbps 64 kbps G4 fax |
9.6 kbps 64 kbps G4 fax |
9.6 kbps |
| GMDSS Distress & Safety | Voice IMO A888(21) | Not available | Not available |
| Antenna size & weight | 75-90 cm diameter 30-70 kg |
50-60 cm diameter |
30-40 cm diameter 8 kg |
Choose between circuit mode (ISDN) with a constant data stream (Fleet 77 & 55), and packet mode (MPDS, mobile packet data system). With MPDS you only pay for volume of data sent, rather than time spent online.
