Can both ePMP radio types support standard PoE? If not, what kind of PoE?

Answer: The GPS Synchronized radio supports both 802.3af and Canopy proprietary 30V PoE.  The Integrated radio supports Canopy proprietary 30V PoE (Pins 4,5 = RET, Pins 7,8 = V+). For further details, please refer to the ePMP User Guide at https://support.cambiumnetworks.com/files/epmp