Today there are a number of sat-phone models and calling plans ranging from $26 a month to thousands of dollars a year. Three of the major brands are Inmarsat, Iridium and Globalstar. The Inmarsat IsatPhone 2 features a water- and shock-resistant design, and retails for as little as $599, but retailers such as satellite
phonestore.com offer it free with an $89.95 (100 minutes per month) monthly plan and a one-year contract. The IsatPhone 2 features global coverage (with the exception of the poles), GPS, Bluetooth, SMS, an SOS button, and a battery that powers eight hours of talk time.