SkyLink Citadel

A resilient anti-piracy solution that offers satellite voice and data connectivity to the outside world, when needed.

100% Global, Dual-Mode Connectivity

Dual-mode satellite and LTE communications solution with voice and data connectivity - anywhere on Earth

Enhanced Safety

Protection from Piracy

SOS switch transmits threat alerts and backup battery enables continuous operations

Iridium Tier 1 partner

Low SWaP, Outdoor Terminal

Designed as a compact and discreet outdoor unit to minimize potential damage from an intruder

SkyLink Citadel


SkyLink Citadel  is a resilient anti-piracy, maritime solution. Easy to install and operate, Citadel offers dual-mode satellite and LTE voice and data connectivity to the outside world, when needed.


Leveraging the Iridium Certus® satellite network, SkyLink Citadel provides two HD voice lines and the ability to send and receive messages and emails from a laptop. The mid-band data rate offers 88 kbps download and 22 kbps upload. With the flick of a switch, a SOS message is transmitted off the ship and battery backup ensures communications, even if the external power is shut down.  
  • SOS switch
  • High Definition (HD) voice line
  • Messaging and email communication
  • Internet / VPN
  • Simple installation & easy to use
  • GPS with configurable reporting
  • Battery backup
  • Advanced local firewall
  • Back-up communications for captain or crew
Technical Specifications
  • Operating voltage: 10 – 34 VDC
  • Power consumption: 7 watts nominal
  • 18 watts peak
  • AC mains: 115/230VAC 50/60Hz to 24VDC; adapter provided
  • Operating temp range: -40°C to +70°C
  • Exposure: Outdoor (per IEC 60945)

Questions? Contact Us

Blue Sky Network is ready to help ensure you are able to connect reliably and with confidence. Have questions about how our solutions can help meet your connectivity needs? Contact us today

Purpose built for these key industries

We offer reliable, custom-design solutions powered by the world’s most advanced network to solve any connectivity challenge across land, sea, and air.

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The Blue Sky Network Advantage

Unprecedented Global Coverage

World-class solutions powered by Iridium’s cutting-edge satellite infrastructure deliver seamless connectivity and total asset visibility, no matter how far off the beaten path your operations take you.

Trusted industry experts

Global, solutions-driven team leveraging deep industry expertise to engineer advanced solutions trusted by governments, NGOs, and blue chip companies to connect, track, and secure their most valuable assets.

Intuitive, all-in-one solutions

Small form factor hardware and innovative cloud-based software are custom-designed and packaged to offer real-time communications and insightful analytics for your precise operational, device, network, and app needs.