He bought a couple of 5.8 GHz VCOs from Aliexpress, and created and used a simple opamp circuit to boost the FPV camera video signal to ... short range (20 cm) WiFi jammer. With a signal generator ...

and it can make your Wi-Fi camera stop working and miss the crucial video you need. Justin Ayers, the president and founder of Grand Rapids Tech, said the illegal devices are called Wi-Fi jammers ...

Police in Glendale are warning residents that burglars have recently been using Wi-Fi jammers to disrupt home ... the signals between security cameras and video feeds, affecting systems such ...