Meet the Feather & Bone Hidden Camera Detector: a handy gadget that you can use to detect hidden bugs all around you. It is able to detect radio waves, SIM card bugs, and internet signals (2/4G). It runs on battery for up to 30 hours.
The Feather & Bone Hidden Camera Detector has a 15m detection range with a 1 MHz to 65 GHz frequency range. You can find out more about it here.