Cobham Sailor 4300 Iridium Certus® Satellite Terminal

Cobham Sailor 4300 Iridium Certus® Satellite Terminal

Global Coverage

Keep in contact anywhere on the planet with this device.  Simply get a clear line of sight to the sky and you'll be able to take advantage of its features.

Voice Capability

Stay only a voice call away from friends, family or colleagues even when in the remotest of areas!

High Speed Data

This unit will allow you speeds capable of loading basic web pages, email and even Skype! Make sure you keep track of your airtime costs when using these services though!


This device is designed to BYOD (bring your own device)! Simply connect to the wi-fi of the unit and make calls, send/receive emails and even load pages depending on the capability of your device.  These deivces bring a new meaning to a remote office!

$6,728.00 (Ex. VAT)

Sailor 4300 is the first Iridium Certus® certified marine terminal from Cobham offering the fastest speeds ever available with Iridium. 

PDF Downloads

View FileCobham Sailor 4300 Datasheet    Size: (951.68 KB)



Subscription Services 0MB 50MB 100MB 250MB 1GB 5GB 10GB


Minimum Term 3 months 3 months 3 months 3 months 3 months 3 months 3 months 3 months
Monthly Fee $121.25 $363.44 $645.94 $976.88 $1,433.75 $1,775.94 $2,583.13 $403.75
Inc. MB/Month 0MB 50MB 100MB 250MB 1,000MB 5,000MB 10,000MB 300MB
Out of Bundle per MB $16.19 $8.13 $6.50 $4.25 $1.25 $0.94 $1.38 $1.63
Early Termination Fee $161.56 $565.31 $968.75 $1,453.13 $2,179.69 $2,583.13 $2,583.13 $3,099.69




Service Cost per Minute
Voice to Fixed $0.49
Voice to Iridium $0.35
Voice to other MSS $14.54
Voicemail $0.35
Two-Stage Dialling $0.59

The table above shows how customers can use their inclusive monthly allowance.  



Plans are also available which allow the sharing of data allowances between multiple vessels. Contact us for details.

Sailor 4300 is the first Iridium Certus® certified marine terminal from Cobham offering the fastest speeds ever available with Iridium.  Vessels of all sizes will find the system adequate for multi-user internet access, reporting, emails, crew communication and telemedicine.

As with all Cobham products the Sailor 4300 is easy to install and built to last with no scheduled servicing necessary for 10 years.

Bulkhead and 19" rackmount mounting options are available.

Cobham Sailor 4300 Key Features: 

Reliable Communications

Cobham Sailor 4300 provides dependable global maritime communications for users to stay connected whilst at sea, anywhere in the world. Through the Iridium Certus® broadband service, VesseLINK operates on a network with over 66 satellites that cover 100% of the globe, including deep oceans and polar regions. 

The Cobham Sailor solution utilises Iridium Certus® to provide a highly reliable service for mobile and voice, text and web communications for all crew.

High Data Speeds

Cobham Sailor 4300 provides data speeds of up to 704kbps, and streaming data speeds of up to 256 kbps. 

Data-Heavy Services

The Cobham Sailor 4300 is suitable for data-heavy applications including; videoconferencing, multi-user Internet/VPN, IoT and telemedicine, alongside regular usage including email, electronic forms/reporting and crew communication.

Seamless Integration

The Sailor 4300 is designed for seamless integration with onboard communication networks, making it an ideal solution for VSAT service providers to provide a cost-effective, high-speed secondary/back-up communications channel. SAILOR 4300 provides this capability using a specially designed, easy to configure VSAT integrator 'smart box'.

Safety Services

To remain connected and ensure safety on board, the Thales VesseLINK safety services include location tracking, telemedicine capabilities and voice and data-enabled features to deliver voice communications, to up to 3 dedicated channels. 

Schedule Servicing

There is no scheduled service with the Cobham Sailor 4300 and no maintenance for at least 10 years after installation.

Read more about Iridium Certus® >

Iridium Satellite Network Coverage Mapx

General Specifications

Antenna: 38 cm dia. x 36.7 cm h

Below Deck Unit: 27 cm x 48.1 cm


Antenna: 8 kg

Below Deck Unit: 3.2 kg

Standard IP 704 kbps download / 176 kbps upload
Ethernet/LAN 4 ports
I/O Connector 1 Connector
Status LED Full status LED panel
SIM Card Slot 1 SIM card slot for Iridium SIM card
Power Supply and Consumption

DC input range (isolated): 10.8V to 31.2V

Power (max) incl. antenna & PoE output 120W @ 10-32V

Ambient Temperature

-25 to +55°C

Storage Temperature

-35 to +85°C

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