Ali Offer Internation Business Co.,Ltd are Trading Company with Our Own Brand Technical & Team Dedicated to: 1). Security Productsa. CCTV IP Camerab. DVR NVRc. RF Wireless Signal Jammer Blockerd. Metal Dector,Signal Detector,Bomb/Drug Detectore. GPS Tracker,Tachographf. ect 2). Telecommunication Productsa. Mobile Signal Booster Repeaterb. Wifi UHF VHF Signal Amplifierc. Walkie-talkied. Communication Antennase. ect 3). Optical communication equipmenta. Optical Module SFPXFPSFP PLUSX2PON ONU/OLT b. Adapter,Pigtail,Cablec. ect Website: www.alioffer.biz