Product Description Have you ever been troubled with the power off situation when you just need the jammer device to help you in an important moment? How will you choose to do and what will you ask...
4 bands,handheld jamme / prison Jammer ,meeting room /office / police use Description: This is a portable type mobile phone signal...
Product Description Widely used in following places, such as Conference room, auditoriums, law court, library, exam room, school, cinema, theater,hospital, government, military, finance, security,...
Product Description This Cell Phone Signal Booster for GSM/DCS Dual Band (900MHz/1800MHz) can be applied into different places for improving the quality of your phone calling. It can be used in...
