https://www.perfectjammer.com/high-power-portable-cell-phone-gps-wifi-blocker.html

This is a professional portable portable high-power mobile phone jammer for mobile phones 3G 4GLTE / WIMAX Wi-Fi 2.4G / 5G GPS LOJACK UHF VHF signal jammer currently on the market, built-in battery can work for 1.5 hours. It can also be customized for high-power drone jammer models with 4-6 antennas, which gives us strong interference capabilities and can defend 100% drone drones, such as Phantom 4, Phantom 3 Professional, Advanced, Standard series, Inspire series, a product worth buying.