Cell phone jammer gsm - gps and cell phone jammer j-220b

Cell phone jammer gsm - gps and cell phone jammer j-220b
Cell phone jammer gsm - gps and cell phone jammer j-220b
Cell phone jammer gsm - gps and cell phone jammer j-220b
Cell phone jammer gsm - gps and cell phone jammer j-220b
Cell phone jammer gsm - gps and cell phone jammer j-220b
Cell phone jammer gsm - gps and cell phone jammer j-220b
  • Hello, Robert! A-GPS system spreads widely these days. Its work is really common with simple GPS, but has some advantages over it. You know, GPS navigators are a little bit slow while starting, but A-GPS makes the work of a navigator a bit faster. It just downloads the info on your coordinates from three closest cell towers so it reaches your coordinates a little bit faster. It works with cell tower triangulation technique I have recently written about. So, the A-GPS compatible device uses two different frequency bands, one for GPS navigation – 1227.6-1575.42 MHz and the GSM 850/1900 MHz for cell phone towers triangulation. In order to jam the device’s transmissions totally you will have to use a GSM/GPS jammer. You should pay attention to that that in that case all cell phones in the area will be totally jammed too, and your old GPS jammer will work with that device just partially. It will jam the GPS interactions so you will not be seen on GPS tracking, but you will be still available for tracking with cell phone tower triangulation! Thank you for your question, I hope I’ve managed to help.

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