radio wave sniffer devices generally are designed to not only detect radio wave transmissions but also the MAC address of the device transmitting them and the field strength
these can be useful for assisting with personal and corporate security and for detecting the presence of hidden devices such as Apple Air Tags
the aggressive features in ESP32 Marauder have been removed and only the features suitable for security testing have been retained
Wifi (Probe Request, Beacon, Packet monitor, APs scan, raw capture, station, signal monitor) , Bluetooth (Air tag, Flipper, etc) and includes FM and AM radio
Pro version adds a mini low resolution thermal camera for detecting powered security or eavesdropping devices