Maritime L-band Airtime

Maritime L-band Airtime services ensure global connectivity as primary connection or as Maritime VSAT back-up allowing vessels stay in touch at all times. With the Airtime service we can provide configured routers to switch between VSAT, 4G LTE and an L-band service and minimize unwanted usage of the L-band service. 

Iridium Certus

Iridium Certus - the advanced new multi-service platform powered by Iridium NEXT. Iridium Certus delivers 100 percent global L-band connectivity. Iridium Certus terminals built by Cobham and Thales will debut at speeds of 352 Kbps, later upgradable to 704 Kbps through a firmware update.

Contact us

Unbeatable support
We wil assist you 24/7, wherever you are at sea.
Always online
We reduce risk and provide predictability to ensure you of global connectivity.
Reliable connectivity
We provide reliable and secure Internet using 4G LTE and VSAT systems.
Full service
If something goes wrong, we will fix it immediately. Leave it up to us.

Iridium OpenPort

Iridium OpenPort delivers truly global broadband data and high-quality voice via one low-cost platform, through a robust maritime OpenPort terminal designed to perform in the toughest of conditions. It is an ideal back-up to your Maritime VSAT service. 
Read more. 

Inmarsat Fleetbroadband

Inmarsat FleetBroadband is a backup service for Maritime VSAT services providing a reliable L-band connection for email and internet access. Because the FBB terminals operate globally and that means they can provide coverage in areas where Ku-band doesn’t. Read more. 

Do you want to know what we can do for you?

Please fill in the contact form below clearly and completely. 
We will try to answer your question within one working day.

Do you prefer direct contact?

Please call +31 (0) 88 646 0100 during business hours.

Utrecht - The Netherlands (HQ)

T:+31 (0) 35 646 0100
E: request@castormarine.com

Rijnzathe 4, 3454 PV De Meern

Business hours:
Monday - Friday 9am to 5.30pm