The Inmarsat network which the IsatPhone Pro transmits on uses three geostationary satellites to provide voice and data communication services almost anywhere in the world(No coverage in the Polar Caps). Each satellite is equipped with a single global beam that covers up to one-third of the Earth's surface, I-4 Americas, I-4 EMEA, I-4 Asia-Pacific.
Because Inmarsat coverage extends from latitudes of -82° to 82° regardless of longitude, higher latitudes will have lower performance. Registration to the network requires a clear line of sight to the equator and may not be suitable for use in canyons or mountains.
The map below depicts the three I-4 satellite coverage regions.
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By definition, all satellite phones need to be operated in an open area away from buildings and trees so there is a clear line of sight to the sky. Since the satellites used for IsatPhone Pro service are in a geostationary position near the Equator you may have to direct the antenna in that direction. It follows that signal strength is reduced the farther away you are from the satellites orbit and middle distance obstructions such as mountain ranges are another factor to be considered. As long as you know where the satellites are positioned and your location relative to the satellite you should be able to determine whether or not you will have adequate signal strength to place and receive calls. For example: If you are in the 30o range, you should point the antenna straight up and your signal strength should be quite strong. If you are in the 20o range, you may get 2 bars but the service quality may be better if you pointed the antenna towards the satellite. Refer to the coverage map shown below and in the User Guide.
The IsatPhone Pro battery will support up to 8 hours of talk time and up to 100 hours of standby time. It should be noted that battery life and power usage will be affected by temperature and location. Refer to the User Guide for details.
Regardless of what you may have seen on television or in the movies, unless you have an external antenna, all satellite phones, including the IsatPhone Pro, MUST have a clear line of sight to the sky and cannot be used inside buildings.
Mobal Satellite Phone Customers Include:
You'll get this amount of call credit added to your account every month. The credit never expires, so unlike our competitors' plans, you don't have to worry about expiring minutes or paying extra to make your minutes roll over to the next month.
Call credit can be used for text messages or data usage - as well as voice calls.
Unlike other providers, we don't charge a monthly fee for the Inmarsat voicemail service - it's included for free on all our plans. Voicemail retrieval is charged at the same rate as a call to another Inmarsat phone.
Changes to Inmarsat IsatPhone Pro subscription costs:
Please be advised that Inmarsat is increasing their prices effective June 1, 2012. As a direct result Mobal will be amending our current IsatPhone Pro monthly subscription plans. All current customers will have their accounts migrated to the new rates corresponding to their current plan on June 1st.
The new IsatPhone Pro monthly subscription plans are: