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