http://www.ec21.com/ec-market/jammer circuits.html http://tangreat.en.ec21.com/High_Power_Indoor_Cell_Phone--3767954_3768174.html Jammers Product Description Cover interface standards: CDMA800:850-894 MHz, GSM900:925-960 MHz GSM1800:1800-120091228 http://clairexixi.en.ec21.com/Mini_GSM_Mobile_Phone_Jammer--3760007_4028361.html mini pocket GSM, cell phone phone jammer TG-130A. with internal antenna, battery is changeable CE, FCC Taking use of20091225 http://tangreat05.en.ec21.com/Portable_Multi_Band_Cellphone_Portable--3874875_3874947.htmljammer. 3. The pelican case is portable (can be carried like a suitcase). 4. Can be fixed in car and temporary occasion20091225 http://a8242685.en.ec21.com/Prision_Jammer_TG_101M--3351166_3925306.html High Power waterproof cell phone jammer TG-101M-A1.0 RF Frequency 1: 850-894MHz, 925-960MHz, 1805-1990MHz; 2110-2120091205 http://charmszhao.en.ec21.com/Portable_Signal_Jammer_DZ_101N--3914785_3931077.htmlcircuit. These elements can maintain the stable operation condition with high integration. 6. The jammer has 3 ante20091110 http://lianweifan.en.ec21.com/Mobile_Phone_Breaker_Jammer_Immobilizer--1449231_2583508.html Mobile Phone Breaker/Jammer/Immobilizer will make effect only on the communication of mobile phonesinstead of on 20090604 http://tingzaizhe.en.ec21.com/Transformer_Alarm_System--3402610_3402643.htmljammers. 3) Super ability to anti-thefting , super ability to anti-interference, super patent ensure. Standard 20090518 http://ssg2008.en.ec21.com/Transformer_Alarm_System--2737661_2921462.htmljammers. 3) Super ability to anti-thefting , super ability to anti-interference, super patent ensure. Standard 20090430 http://mobile77si.en.ec21.com/Jammer_Blocker_Breaker_Isolator--1840038_1842912.html Today we would like to introduce our Signal Jammer DZ-101F-A. *Specification: 1)Takes use of infrared remote contro20090225 http://rodmo.en.ec21.com/High_Power_Cell_Phone_Jammer--1143783_2806132.htmlcircuit. These elements can maintain the stable operation condition with high integration. Technical specification: 20090224 http://ahsammy.en.ec21.com/Dielectric_Resonator_TEM_Type--596273_1355499.htmlcircuits Dielectric Resonator Oscillators Signal isolator/blocker/jammer for Wifi,bluetooth,wlan GPS,GSM,celluar phone,20090211 http://techwise.en.ec21.com/CPB_3010_Mobile_Phone_Cellula--1118547_1118209.htmlJammer When the LED is on, the Jammer is activated Specifications Before turn on the power, please make sure both anten20090207 http://dzxjason.en.ec21.com/Mobile_Phone_Signal_Jammer.--2019846_2021094.htmlcircuit. These elements can maintain the stable operation condition with high integration. Notices ◎Be sure to 20081201 http://guteaqin.en.ec21.com/CellPhone_Jammer--3070916_3070972.htmlcircuit can avoid the appearance of sparking when turn on or turn off the machine. Furthermore, these elements can main20081113 http://rock1949.en.ec21.com/Mobile_Phone_Signal_Isolator_Jammer--2701329_2701443.htmljammer is made up of up-to-date paste components and integrated circuits. With advanced performance, it is easy to inst20080721 http://crazyjet.en.ec21.com/Mobile_Phone_Signal_Jammer--1628035_1628296.htmlJammer With the high-speed development of communication technology in the information times, mobile phone has become in20070210 http://88588myjammer.en.ec21.com/High_Power_Waterproof_Cellphone_Jammer--3143244_3143801.html Jammers Product Description Cover interface standards: Digital : IDEN, TDMA, CDMA, GSM, UMTS Analog: AMPS, NMT, N-A20090925