ShenZhen Necom Telecommunication Technologies Co,.ltd is one of the leading manufacturer which specialize in designing and producing RF Jammers Equipment, RF repeater and Wireless Coverage Products for many years.Our main products is Lojack jammers, Handheld Jammers,Pocket Tri-Band Jammer, Spy Camera Jammer, Mini-Pocket Portable Three Antenna,5Band Handheld Jammer,Cellular&WiFi Jammer,12 Antenna jammers,portable Eight Antenna( for all Cellular4G,GPS,Lojack,Alarm Jammer system),stationary jammers,high power Prison Jammers,IED/Bomb Jammers,GPS Jammers,Jamming module kits,4 Band Amplifier,Tri-Band Repeater,Dual Band Repeater,Repeater GSM900Mhz,Repeater GSM850Mhz and Accessories of Antenna Series, Passive Components,Coaxial Cable and ect. Our clients are government agencies, military, SWAT team, prison, school, bank, law enforcement, meeting room, conference room, museum, gallery, theatre, concert hall, church, temple, restaurant, classroom, training center, factory, bank, train, bus, etc. For some locations of special purpose such hospital, gas station, Army authorities, and Police authorities.Why do you buy from us?1). Own factory have capability to supply wide range of products2). Strict quality control with competitive prices under various certifications3). Prompt delivery after ordering, good after-service 4). Providing technology supports and long quality warranty 5). No Minimum order quantity limited. OEM and ODM are also accepted.6). We locate in Shenzhen of China, easy for export.Please feel free to send us inquiry and hope we can work together soon and become good friend.