StarLink Signal Strength Testers are simple to use, self-contained tools that allow technicians to perform a quick onsite survey of the premises to find the optimum site for StarLink alarm cellular communications. In minutes, the tester provides a visual metered signal strength analysis of the chosen LTE Network at that exact location, eliminating time and guesswork and/or trial and error. These handy, compact wireless units are self-powered with a built-in rechargeable power pack, that recharges using supplied AC transformer or via Micro USB socket. Low Battery indicator and diagnostic LEDs and desktop stand also included. Model for Verizon LTE network tests; for commercial fire applications (red housings).