3 Questions of Cell Phone Jammer

What is cell phone signal jamming and cell phone signal jammer?
Popularly says, cell phone jamming is not receiving signal and the paucity of an electronic against mode, and the cell phone signal jammer is a device for jamming mobile telecommunication CDMA and GSM, DCS and PHS etc of frequency electronic counter, use frequency sweep and some frequency control technology, combined with a mobile phone off base of contact between the signal to block truncation phone signal.

Is the effect of cell phone signal jammer the same between GSM and CDMA? Because the CDMA mobile phone anti-jamming performance is far superior to the GSM mobile phones, therefore, for CDMA mobile phone signal blockers effectively shielded distance than the GSM mobile phones, but the difference is not big. It also reminds users, in some special place shall, when necessary, increase the phone signal blockers field, in order to ensure the effect of CDMA mobile phone screen.

Is the effect of cell phone signal jammer the same between in indoor and outdoor use range? The mobile phone signal blockers effectively screen distance refers to indoor distance. Outside, the open areas can effectively shielded from hundreds of meters. Be still, whether in outdoor, indoor use, shielding the effective distance and environmental conditions. As far away from the base, and put in position. Therefore, the use of mobile phone signal shielding, should fully consider the factors, avoid to produce screen corner and shielding effect.