NITOS Outdoor deployment consists of powerful nodes that feature multiple wireless interfaces and allow for experimentation with heterogeneous (Wi-Fi, WiMAX, LTE) wireless technologies. It is deployed at the exterior of a University of Thessaly (UTH) campus building, as illustrated in the following figure and consists of 50 powerful nodes.
![Outdoor Deployment Outdoor Deployment](/NITlab/images/exp/wifi_exp/outdoor_testbed2.jpg)
The nodes are deployed all over the roof of the building, 25 of them in a grid topology and 25 of them spread accross the building's floors, as you can see in the topology image above.