Beijing Briar Technology Co., Ltd built at year 2006,Website:http://www.avideotransmitter.com, For 10 years we are specialized in security video transmission system. From multi signal 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, railway, aviation all over the world.