![]() ![]() Some are disguised as regular cell phones, or brief cases. Some are pocket size, some are much bigger. SJ-006S-P Portable Cell Phone WIFI Signal Jammer is a pocket-sized, hand-held mobile cellular phone jammer and can jam AMPS,N-AMPS, GSM, CDMA, TDMA, UMTS. The result is an unworking mobile unit displaying "no network". Signal boosters work by amplifying an existing signal, but if that cellular signal is blocked, it doesn’t matter how strong it is the signal jammer will run interference. A cell phone signal jammer work by sending strong signals over the same frequencies used by mobile units to effectively disrupt the communication between the device and the cell tower. Cell Phone and WiFi Signal Jammers, RF Jammers, GPS and LoJack Blockers, Car Lock Jammers available for sale in our catalog. Unfortunately, yes, a mobile signal jammer will interfere with your signal booster.
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