Inmarsat IsatPhone Pro

The essential services: satellite telephony, voicemail, text and email messaging, GPS location data

The longest battery life: up to 8 hours talk time and up to 100 hours standby time

The most robust handset: operates at -20°C to +55°C; dust, splash and shock resistant (IP54); humidity tolerance from 0 to 95 per cent

The only global handheld satellite phone to support Bluetooth: place the handset on its side, with full manoeuvrability of the antenna, for easy handsfree use

Easy to use: intuitive GSM-style interface; high-visibility colour screen; larger keypad for easy dialling with gloves on

Reliable network connection: operates over global geostationary satellites that will be operational into the 2020s; significantly less possibility of call dropping

The ultimate value: highly competitive handset, accessories and airtime pricing