The UniFi Enterprise WiFi System also includes the necessary hardware for mounting the unit on a wall or a ceiling. The UniFi Enterprise WiFi System supports Passive PoE which works with the included PoE adapter. If you want to power the UniFi AP from an 802.3af compliant switch, Ubiquiti Networks offers the optional Instant 802.3af Adapter to instantly transform any PoE device into a fully 48V 802.3af compliant product.