Inmarsat’s flagship service in L-band

FleetBroadband is Inmarsat’s flagship service in L-band that provides dependable, seamless and cost-effective broadband data and voice services simultaneously, via a compact antenna and on a global basis.

Based on the I4 satellite system of Inmarsat, FleetBroadband offers speed up to 432 kbps.


Based on 3G standards, FleetBroadband provides seamless broadband connection and provides the ability to access mail, surf the web and run computers remotely at the same time as making phone calls.

  • High quality and speed performance
  • Up to 9 simultaneous telephone calls with Inmarsat Multi-voice service
  • Simultaneous voice and data communication
  • Global coverage (apart from poles)
  • Competitive telecommunications costs
  • Cost-effective
  • Security of telecommunications
  • Small, reliable, compact & flexible equipment
  • Easy installation and network integration
  • Compatible with many crew welfare applications


  • Standard IP for email, internet and intranet access via a secure VPN connection, at speeds up to 432 kbps over a shared channel.
  • Streaming IP for guaranteed data rates on demand up to 256 kbps. Choose the data rate on a case by case basis, depending on the application.
  • Voice calls available at the same time as accessing the data applications. Call id, call waiting, forwarding, barring, holding and voicemail are also available.
  • Fax. Group 3 fax is supported via the voice channel (3.2 kHz audio) and Group 4 fax is supported via the ISDN channel.
  • Available ISDN at 64 kbps for legacy applications.
  • SMS ability of sending and receiving text messages – up to 160 characters.

The technical characteristics of the FleetBroadband terminal equipment are shown in the table below:

  FleetBroadband 150 FleetBroadband 250 FleetBroadband 500
Random diameter approx. 29 cm approx. 32-35 cm approx. 60 cm
Antenna type directional/stabilized directional/stabilized directional/stabilized
Antenna weight 2.5-3.9 kg 3.9 - 7.4 kg 16 kg
Voice 4kbps AMBE+2 4kbps AMBE+2  3,1 KHz Audio 4kbps AMBE+2  3,1 KHz Audio
Standard IP up to 150 kbps up to 284 kbps up to 432 kbps
Streaming IP no 8, 16, 32,64, 128 kbps 8, 16, 32, 64, 128, 256 kbps
ISDN no no 64 kbps
SMS yes yes yes
Fax Group 3 up to 14.4kbps Group 3 up to 14.4kbps Group 3 & Group 4 up to 64kbps

Otesat-Maritel provides FleetBroadband with a wide range of value-added services, providing one of the most comprehensive communications solutions available to the maritime community.

  • Crew Communications
    CrewConnect: Otesat-Maritel provides prepaid voice crew cards 24/7 to any fixed or mobile destination globally
  • e-mail and internet browsing for B2B and crew communications
  • Management of FleetBroadband Service
    • online-Manager Web-based service designed to provide the ability to the customers to fully manage (activation, deactivation, change of packages and services, traffic information etc.) their FleetBroadband terminals
    • Usage Monitoring and Control
      • E-mail Alerts
      • Auto-suspend
  • Network Safety and Security
    • Firewall, Antivirus on Network
    • Firewall Onboard (Mikrotik)
    • NOD32 Antivirus
    • Antispam
  • P2P Services
    • Public Static IP
    • Leased lines
    • VPN Services

This map depicts Inmarsat’s expectations of coverage, but does not represent a guarantee of service. The availability of service at the edge of coverage areas fluctuates depending on various conditions.
I-4 satellite coverage January 2010.

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