It is suitable to protect important leadership or VIP security, individual combat, SWAT teams, EOD teams, anti-terrorist units, anti-drug units, bomb squad, security checkpoints, administrative law enforcement, hostage negotiations, border control and military security forces and other application areas. Full-band wireless shielding device (common band: 20~6000MHz) consist of two draw-bar signal jammers; it can be portable use, or vehicular use. Vehicle-specific antenna can be configured according to customers’ requirements.