48vdc 12vdc poe

I am about to just with both feet into more more MORE! I currently have 4 Foscam cameras (FI9804, FI8910W, and 2 FI9821W V2) they are working as intended, all wireless and I only have the 9804 going offline about once every 2 weeks, and it is easy to restart. My Plans are to add a few...