The Infinea DVI transmitter is available in two functionality categories. The base category supports extension of DVI video only while the -SAP category supports extension of DVI video, stereo audio and addressable duplex serial. While the standard cabling option for extension is UTP, both Multi-mode and single-mode fiber cabling is supported through optional plug & play fiber modules. Each Infinea transmitters support a local DVI port enabling either a local display or the ability to cascade to additional transmitters for point to multi-point distribution.