"Facing with the no stopping dins of cell phones, some experts have suggested the legal use of cell phone signal jammer blocker for teachers in school time. Cell phone jammer is specially designed for disabling the normal transmission of signals between mobile phone and the nearby base station. It i...

If you are searching for a best handheld rf signal blocker which blocks the common remote controls frequency bands – 315MHz, 433MHz and 868MHz at the same time, here is a handheld car remote control blocker for you. It can jam most remote control products including the garage remote controllers, the...