Black Mini Portable GSM CDMA DCS PHS GPS 3G Cell Phone Signal Blocker

Cell phone signal jammer

jammer is a mobile communications device that transmits on the same frequency range as a cellphone to create strong cell tower interference and block cellphone signals and call transmission

A mobile phone jammer or blocker is a device which deliberately transmits signals on the same radio frequencies as mobile phones, disrupting the communication between the phone and the cell-phone base station, effectively disabling mobile phones within the range of the jammer, preventing them from receiving signals

High sensitivity, scope adjustable, large frequency range.

This is a cell phone signal Jammer engineered to protect your business / family privacy and safety. It is a high-tech product; It can block any GSM/CDMA/DCS/PHS/GPS cell phone signal at a distance  within which cell phone cannot be called in or called out.

Please note:

Don’t put the jammer in high voltage and high magnetism locations.

Do not use the jammer when it is charging, or it will burn the jammer.