NB-IoT Tester is designed for testing signal levels in NB-IoT, Cat-M, and GSM Networks. The NB-IoT Tester measures the signal level in the air at a certain location. It measures continuously and shows the signal strength with both realtime values and in the shape of thermometer scales. Using the NB-IoT Tester will give the installer confidence and assist to make proper documentation of each and every installation site. Some providers will certainly demand to know about the quality of the performed work by the entrepreneur. Using the NB-IoT Tester will satisfy both parts.