? ?Allows user to have better picture with less bandwidth. L/R stereo audio de-embed from input and output. RS232 pass through. ? ?Offers multiroom and multi-device viewing. Supports point to point, one to many and many-to-many broadcast of signal through IP network up to 394ft (120m).1080p@60Hz, LPCM stereo with audio extraction on encoder and decoder. ? ?Plug and play with almost any ethernet switch with NONE configuration required. Limitless combination. Able to get power from PoE Ethernet switch. Note: For better performance, gigabit switch is recommended. Or contact seller before order. ? ?: Use iPad to make video wall or switch to different source/display through tip of finger. Also have button for manual switch on front panel. Simple for anyone with no cost of learning. Note: Control App are available for smartphone/ipad/computer, contact seller for install instruction. : Encoder and Decoder are packaged separately. You need to buy them together to use here: https://www./dp/B0BLXV1WWV.