Cellular telephones; Cellular telephone accessories, namely, batteries and electrical battery chargers, and radio pagers; Downloadable software application for tracking people using gps data and a wireless device; Downloadable software application that allows users to access and manage account information, pay bills and track data usage; Wireless telecommunications device featuring transmission and reception of voice and location tracking data; Computer hardware and software system for tracking people using gps data on a device; Smartwatches; Computers; Computer peripherals; Computer networking devices, namely, network interface controllers, routers, hubs, bridges, low-energy wireless beacon transceivers, wireless hotspots, wireless range extenders, and cellular-enabled tracking tags; Communications networks consisting of computer hardware and software for setting up and configuring local area networks; Wireless access point devices; Communication networks consisting of a free-standing hub or lan (local area network) unit and associated networking hardware and software; Tablet computers; Software, namely, mobile telecommunications device operating software; Software, namely, software for receiving and transmitting electronic data over a cellular telecommunications network