Inmarsat Explorer 325

Product Description

SAILOR 500 FleetBroadband is the Flagship of our market leading Inmarsat FleetBroadband portfolio and is designed to meet the voice and data communication needs of maritime professionals globally.


Compact voice and broadband solution

EXPLORER 325 is a compact BGAN system for on-the-move communication. The system consists of three fully integrated units – a transceiver, an IP handset and a roof mountable antenna with magnetic mounts.

Whether you’re engaged in humanitarian operations, cargo transportation, broadcasts or telemedicine, you need easy deployable communication equipment you can always rely on. Regardless of time or place

Instant communication

Simply place the antenna on the roof, connect the antenna and your PC to the EXPLORER terminal, switch on the Thrane & Thrane IP Handset and the vehicle is turned into a mobile communication hub.


The auto tracking antenna is compact and lightweight, ideal for vehicles on-the-move. It is designed for robust and durable use.

No roaming

BGAN offers mobile broadband connectivity wherever you go at fixed pricing with no roaming fees. With the EXPLORER 325 you know your cost of communication regardless of the number of borders you cross

    Tech Specs 


        Transceiver H / W / D:

        41 / 231 / 278 mm

        1.6 / 9.1 / 10.9 inches

        Antenna H / W:

        128 / Ø349 mm

        4.72 / Ø13.8 inches


        Transceiver: 2.2kg / 4.9lbs
        Antenna: 3.6kg / 7.9lbs (excl. magnets)

        Global Services

        Voice 4 kbps AMBE+2

        Premium voice:

        64 kbps (@elevation>45°)
        Standard IP: Up to 464 kbps
        Streaming IP: 32, 64, 128 kbps
        SMS: 160 characters

        Environmental Conditions

        Ambient Temperature -25 to +55°C
        ADU Storage -40 to +85°C
        Survival (power on, non functional) -40 to +80°C
        ADU enclosure IPX6
        ADU operating humidity “Exposed” according to EN60 945
        BDU enclosure IP31
        BDU operating humidity 95% non-condensing at +40˚C
        Icing (survival) Max 25 mm


        Ship Motion

        Motion Roll +/- 30 deg. per. 4 s, max. 0.7 g tan
        Pitch +/- 15 deg. per. 3 s, max. 0.6 g tan
        Yaw +/- 10 deg. per. 5 s, max. 0.3 g tan
        Surge +/- 0.5g
        Sway +/- 0.5g
        Heave +/- 0.7g
        Turning rate +/- 36˚/s; Acc. 12˚/s²
        Headway speed  22 m/s (42 knots)
        Wind 100 knots

        Mechanical Shock

         20g/11 half-sine

        Antenna Connect

        ADU  50 Ω N, female 
        BDU TNC-socket, female

        Prepaid Service

        Sailor Videos

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