... : 1. Each module is controlled separately. 2. This blocker with pelican case can add band frequency as customer's requirements. 3 ... , blocking range and band frequency can be adjusted. 5. Use Pelican case, waterproof, shockproof, irrefrangible, dustproof and portable. 6. Two colors ... check LEDs are externally installed. Bomb CDMA/GSM/GPS/Wifi Pelican VIP blocker