IP Network Video Server and Encoders allow standard Analog CCTV Security Cameras as well as other composite video signals to be converted into a IP Network Data Stream. Video Encoders and Video Servers also often provide additional features such as Audio, PTZ Control, Local Storage and more. The Video Encoder or Video Server is available in many sizes, from single input to multi input systems. These devices Video Encoders and Video Servers also have a reverse product called a Video Decoder. Video Decoders take the video data stream (and sometimes other types of data) and convert it back to analog signals, etc. A 2 Z Security Cameras provides a wide range of Video Servers and Encoders as well as Decoders for all of your surveillance video conversion needs.