November 28, 2016 admin Mobile Phone Detection Portable and fixed mobile phone detection systems for securing prisons and other high security facilities wishing to enforce a NO MOBILE PHONE POLICY.Passive RF and FMDDetects active mobile phone use up to 150 feet away (RF) and any device ON or OFF (FMD)Portable and covert detectionHighest sensitivity and sensor count in the security teamsMade in the U.S.A. PocketHound Manta Ray Wolfhound PRO SentryHound WatchHound WallHound