Anti Loitering DevicesPublished by Fudgy McFarlen on August 13, 2018August 13, 2018 Research Links Wikipedia: The Mosquito – the magic frequency = 17.4kHz for teenagers movingsoundtech.com Categories: ArchitectureSecurity Subscribe Login Notify of new follow-up comments new replies to my comments Label {} [+] Name* Email* Website Δ Label {} [+] Name* Email* Website Δ 0 Comments Oldest Newest Most Voted