Shenzhen SF Technology Co., Ltd. Is a high-tech company. to meet market demand, we research and develop wireless video transmission devices and provide integration solution for wireless video security projects. Now we mainly have 4 series products: COFDM wireless transmission system, 3G/4G wireless transmission equipment, digital bridge. OEM and ODM are accepted. Transmission range from 5km to 50km, our devices are widely applied to a lot of industries: Public Policing, Forest Fire & Security, Air Defense, Maritime Affairs, Large Mine, Large River, Construction Sites, Port, Oil Field etc. Powerful capability of anti-interference, clear steady video quality, long range transmission makes us get better reputation from market. SF' s quality products and services make its wireless video transmission equipment and system solutions applied to a lot of emergency wireless communication projects whatever in mainland china or overseas.