SPSTrack is the online service offered by Satellitephonestore.com to enble users of satellite and cellular communications devices to track, monitor and control their devices remotely. Basic tracking is available across all devices listed on the product pages while others like the Iridium NAL Nano Shout, Iridium Extreme Satelite Phone and the Iridium Cerberus Link devices also have two way messaging, email routing, emergency alerts and canned messages and address book functionality. Please feel free to contact us for a free assessment of needs and we will recommend the best suited cellular or satellite equipment and service.