This product for all the current GPS satellite positioning system and the characteristics of wireless videotaping, in the radius of 5-30 meters within the effective GPS satellite signals and wireless video transmission signal truncated, so that your whereabouts are not worried about being tracked, videotaping.
Prison cell phone jammers have become a necessary addition to the arsenal of tools1 required for the safekeeping of inmates. Cell phones are becoming smaller every day, making them easier for inmates smuggle into facilities. This creates an even more difficult job for the already burdened correctional worker, however a cell phone drone jammer is the answer to restricting the inmates from using the cell phones for potentially dangerous activities. Cell phone jammer use can also force inmates to use prison approved / monitored phone lines.
With the increasing demand for interference fine, the bands control switch came into being. Through these switches, you can open the jammer, select the bands you want to open or close. This is a very convenient feature, the first can make the signal interference more targeted. Second, the closure of some need to interfere with the band can be effective in saving electricity.
Cellular access control is a technology born of necessity. Around 2006, Mississippi correctional authorities found they were fielding more citizen complaints of harassment from prisoners using cell phones. Efforts to block the contraband phones were increased, but were not completely successful. “There was talk of going to the FCC to allow wifi signal jammer, but that never got off the ground,” said Smith.
S.C. Department of Corrections officials have long sought permission from the Federal Communications Commission to jam signals behind the razor wire, only to be blocked by opposition from cellphone companies. The industry contends the jamming devices could interfere with cellphones on the outside.