AXIS TU8003 90 W Connectivity Midspan with portcast technology uses the camera's IP address to provide seemingly camera-integrated audio and I/O connectivity. This enables audio and video in one stream over the network with no extra VMS license. And, with remote on/off functionality with I/O, it's possible to save power if needed. This midspan delivers a power output of 90 W. With portcast technology it enables both audio and I/O connectivity to your Axis PTZ cameras. Plus, with an SFP port, it supports both network and fiber installations. With AXIS TU8003 you can easily add two-way audio and I/O connectivity to your cameras. With portcast technology, this midspan uses the camera's IP address to provide seemingly camera-integrated audio and I/O connectivity. This enables audio and video in one stream over the network with no extra VMS license. Plus, it supports both digital and unbalanced microphones.