GPS Signal Effective Jamming Blocker This is a GPS signal blocker that can be placed on the car and can block wireless signals within a radius of 5-40 meters.
Cell Phone Jammer Block Office Signals This desktop shield can be placed in the office area to prevent company employees from playing mobile phones during working hours.
Cell Phone WiFi Signal Shield Device This is a blocker that can effectively block wireless signals such as mobile phones within a radius of 5-40 meters.
This adjustable high power signal jammer for prison government project can be customized 100W each channel and each output power is adjustable from 0 to max to change the jamming range from short one to a longer one.
This handheld 6 channel phone signal blocker is a classic black portable signal jammer, it can block wireless signals within a radius of 5-20 meters.
This desktop external antenna phone signal jammer is equipped with 16 omnidirectional antennas, which can shield wireless signals within a radius of 5-40 meters.