N8P Portable 3G 4G GPS WiFi Lojack Cell Phone Jammer

This is a jammer that can be used outdoors for a long time. It has a large capacity battery of 8000 mah. With the extended antenna, it has a larger interference range than other 8-way handheld jammers.
https://www.perfectjammer.com/n8p-longantennas-8bands-cellphone-jammer.html