Inmarsat Family consists of Fleet 77, 55 and 33 systems providing voice, fax and data exchange services up to 128kbps

Fleet 77

  • Voice services 128 or 64 kbps
  • Voice service 4.8 kbps
  • Data transfer 128 or 64 kbps (UDI)
  • Data transfer 56 kbps (V110)
  • Quality audio at 3.1 kHz (ISDN)
  • Mobile Packet Data Service (MPDS)
  • Fax service at 2.4, 9.6 kbps or 64 kbps

Fleet 55

  • Voice service 4.8 kbps
  • Data transfer 64 kbps
  • Quality audio at 3.1 kHz (ISDN)
  • Mobile Packet Data Service (MPDS)
  • Fax service at 9.6 kbps

Fleet 33

  • Voice service 4.8 kbps
  • Fax service 9.6 kbps
  • Data service 9.6 kbps
  • Mobile Packet Data Service (MPDS)

The following terminal equipment is available:

Satellite system SAILOR 77 SAILOR 55 SAILOR 33
Above Deck Unit Mast mount 108 x Ø117 cm (56 kg), 
Flush mount 104 x 092 cm (42 kg)
60 x Ø63 cm (16 kg) 40 x Ø40 cm (9 kg)
Below Deck Unit 32 x 38 x 9 cm (7,3 kg) 8 x 18 x 31 cm (3 kg) 8 x 18 x 31 cm (3 kg)
Handset 53 x 150 x 25 mm (125 g) 53 x 150 x 25 mm (125 g) 53 x 150 x 25 mm (125 g)
Cradle 69 x 172 x 38 mm (170 g) 69 x 172 x 38 mm (170 g) 69 x 172 x 38 mm (170 g)
Handset cable length, spiral 3 m (stretched) 3 m (stretched) 3 m (stretched)

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