Handphone Jammer or cellular phone jammer a device utilizes a unique low power radio signal technology that interferes with the communication between cellular handset and cellular....

When the VCR was first introduced to the public, the television industry reacted with panic. Here was a device that would let people record programs, watch them when they felt....

BLUE TOOTH JAMMER a utilizes unique and intelligent technique that avoid wireless data communication being collected secretly by competitor or business spy, physical protection....

As the name implies, it is a system in which the circuit is closed and all the elements are directly connected. This is unlike broadcast television where any receiver that is....