Cobham Sailor 4300 for Iridium Certus (Rack Mount)


Iridium Certus is the fastest L-Band satellite service available, the only 100% global satellite network, and supported with the lightest, smallest, and most power efficient satellite terminals on the market.  The Sailor 4300 is designed to pair well with Sailor VSAT systems and supports very long cable runs necessary on larger vessels.

The only global broadband for voice and data.

  • Pole-to-pole global coverage
  • 19″ Rack Mount
  • Reliable, high-speed data
  • 704kbps down / 176kbps up
  • 3 independent voice lines
  • 3 x Ethernet LAN ports for VOIP/SIP Phones and Data
  • Performs in any conditions
  • Easy to install, lightweight hardware
  • Mounts to pre-existing Cobham FBB mounts when upgrading

Cobham Sailor 4300/FBB/F1 Mast/Pole Mount Kit

Sailor Fleet One, Fleet Broadband, and Sailor 4300 Mast Mount Kit

Redport Optimizer WXA-223

  • Redport Optimizer WXA-223 (new for 2023) (same functionality as WXA-203 and WXA-213 models but with newer processors and updated simplfied GUI)
  • (NEW) Make satellite phone calls with your smartphone over WiFi!
  • New: Optimizer features a Services Center dashboard to help you easily access and control your network, and a Quick Whitelist feature that lets you whitelist or block access to popular messaging apps including: Facebook Messenger, Instagram Messages, Signal, Timezero, Viber, WeChat and WhatsApp, with a single button.
  • Control your airtime usage
  • Enable satellite optimized email, weather, blogging, tracking, and more!
  • Compatible with CruisersEmail, Xgate, PredictWind, Sailblogs, Wordpress


SAILOR 4300 L-band is the first in Cobham’s Iridium Certus℠ Connected range of terminals. It is the perfect choice as either a high-performance, stand-alone terminal to upgrade your vessel communications, or as a dependable backup solution for your existing VSAT system.

Through Iridium NEXT, SAILOR 4300 L-band enables fast internet speeds suitable for both data-heavy applications and everyday usage. The terminal minimises total cost of ownership with low hardware costs and no scheduled service requirements, and is fully supported through Cobham SATCOM’s Global Service Network.

  • SAILOR quality
  • Multiple satellite tracking with no moving parts
  • Easy configuration via web and built-in API for 3rd party integration
  • Single cable (ADU/BDU – 75m coax) for easy installation
  • Bulkhead and 19” rackmount configuration 3 voice lines and 352/176 data speeds (upgradeable to 704/176)

The Sailor 4300 system includes 3 x Ethernet LAN ports for data or VOIP phone connection.


Antenna Dimensions: 38 cm (dia) x 23 cm (h)
Antenna Weight: 7 kg
BDU to ADU Antenna Cable: One cable connection to BDU


Standard Data Rate: Iridium Certus 300 – Up to 176/352 kbps, Iridium Certus 700 – Up to 176/704 Kbps
Data: yes
Email: yes
Broadband: yes

Call features

Voice: yes


Postpaid: yes


Additional information

Weight 20 lbs
Dimensions 10 × 10 × 10 in


Iridium Certus 200/700 Airtime

Iridium certus 200 and certus 700 rate plans eff august 2023