HXSP-2104V series provides the ability to transmit 4 channel uncompressed video and 1 channel date(RS-485) over one optic fiber. NTSC, PAL and SECAM video formats are all seamlessly supported. Modular in design, stand-alone or rack-mounted installation is available. In addition, Hexin provides the solution for allowing PTZ camera control data to be transmitted the full distance of the fiber. Available in multimode and single-mode versions, including one transmitter and receiver. They are suitable to the purpose of monitor and surveillance in expressways, the customs, transportation, electronic police, industrial automation, power service, banks, and water conservation projects For more details on product, Please refer to http://www.papyrus.co.il/4chvideoreversedataopticaltransmitterreceiver.htm