Wireless communications are used in many areas today, such as: environmental systems, industrial and medical systems, and vehicular system. The Internet of Things (IoT) and other concepts speed up usage and development of various wireless technologies that exist today such as: ZigBee, Z-Wave, IEEE 802.15.4, WirelessHART, 6loWPAN, Bluetooth, Bluetooth Low Energy, RFID, NFC, etc. ZigBee technology has its applications in all enlisted areas.The first section of the tool contains the device selection control populated with the devices that you have added to XCTU. Select the radio module you want to use to perform the analysis.The analysis configuration panel is located next to the device selection control. This section allows you to configure the spectrum analysis process.