The Tiandy TC-FD4449T/R Series video/data transmitter and receiver support broadcast quality transmission of four channels of 8-bit digitally encoded video and four channels of bi-directional data and audio over one multimode and singlemode optical fiber. The modules are compatible with NTSC, PAL and SECAM CCTV camera systems and support RS-485 data protocols. Plug and Play design ensures adjustment-free installation and operation. *8-Bit Uncompressed Video Transmission *NTSC, PAL or SECAM Video Standards *24-Bit Digitally Encoded Stereo Audio Transmission *Transmit up to 30km without Optical Attenuation *Simultaneous Transmission of Video and Data *WDM Technology for Higher Reliability *LED Indicators Instantly Monitoring System Performance *Standalone or Rack Mount