As the technology of electronic and all kinds of mobile phone in recent years, the performance of portable cell phone jammer and GPS signal blocker is also being promoted. Having a quiet and safe life has being difficult for us due to the disturbing of all kinds of wireless signals. So 3G 4G mobile phone and GPS signal blocker is necessary for us in our daily life. Here this Professional Portable Selectable 6 Antennas 3G 4G GPS Signal Blocker can be a good choice and it is designed to block 3G 4G GPS signals.
For blocking the signals of 3G 4G and GPS mobile phone within a short jamming distance, we don’t have to buy a long jamming distance mobile phone jammer. Here this 20m Jamming Range High Power 3G Mobile Phone Jammer can be good choice for those men who want to cut off the 3G 4G mobile phone signals and GPS signals within a short distance. Firstly, this high power cell phone signal blocker is such one kind of device that can be used in fixed places with the strong jamming ability that you need. Depending on the signal strength in the detailed place, this powerful 3G 4G mobile phone and GPS jammer block is designed with powerful jamming radius which is up to 20 meters and you can cut off the signals of 3G 4G and GPS at the same time through this high power cell phone signal blocker with the high power jamming ability. And also, you can use it without any concern because of designing of 4000 mA/H battery and you can charge it anywhere and anytime when it was not power. Apart from the high quality compact design and strong powerful jamming ability, this high power cell phone signal blocker also have a wide use in these fixed places like conference room, auditorium, law court, library, exam room, school, cinema, theater, museum, hospital etc. And since ODM and OEM orders are welcome so you can select any 6 bands for your require for this selectable GPS 3G 4G mobile phone jammer. For most importantly, as designed with 6 antennas and the selectable button so that this portable selectable 3G 4G GPS signal blocker owns good jamming for all mobile phone 2G 3G 4G signal and GPS L1 bands and you can adjust or turn off any single band without influencing the other bands operation. So what are you thinking about? Use external Omni-directional antennas, all the TX frequency covered down link only, latest design and good cooling system with cooling fan inside, this portable cell phone jammer and GPS signal blocker must be the best choice for you.
Are you in need of such kind of signal jammer? If so or want to know more details about this portable cell phone jammer and GPS signal blocker, you can look at http://www.chinazrh.com/.