Outfitter Satellite recommends Globalstar for users operating within the Primary Globalstar Service Area. We have a limited supply of used Globalstar GSP-1700 Satellite Phones with a 6-month warranty. This is a small exceptionally light (7 oz) satellite phone. Globalstar is unique in that it offers a plan with unlimited Home Zone calls for only $199.99 per month.* All Globalstar service plans includes a convenient US phone number and voice mail.