All devices were factory reset and upgraded to latest firmware airOS6 6.3.24 which was released on 12/25. The UI can be accessed via the default IP 192.168.1.20. One of the devices are practically brand new and was only in use for a few months while the others show signs of yellowing from being in use outside for a few years, but are fully functional. The cover door on two of the devices have slight damaged (pictures provided) but functional. Selling as a lot of 4.What's included:4x Ubiquiti NanoStation Loco M900 8dBi CPE3x Power bricks (might have the 4th power brick)