Beijing Briar Technology Co., Ltd built at year 2006, For 10 years we are specialized in security video transmission system. From video image transmission, coding and decoding, video anti-interference, video signal converter, to high speed wireless long range transmission wireless remote monitoring, COFDM live camera transmission, We have a professional team on R&D business. Which offered perfect CCTV solutions to universities, public security, government, education, electric utility, transportation, metallurgy, mining, military, field army unit, radar, remote control drone, broadcasting, medical, security...