We (Personal Telco Project) have used a bunch of Ubiquiti M gear for outdoor networks. You can run on any voltage <=24V. The longer the ethernet run, the more resistance, and therefore more resistance loss and voltage drop along the length of the cable. For relatively short runs of ethernet, you will have no problems running on 12V DC power, at least we haven't. We sometimes use injectors like this:
https://www.amazon.com/SMAKN%C2%AE-Passive-injector-ethernet-connector/dp/B00NTTHLRO/ On Sun, Jun 30, 2019 at 6:22 AM Michael Barnes <[email protected]> wrote: > I'm considering using some Ubiquity radios (Ubiquiti BULLET-M2-HP) for a > field deployable network. They say they use PoE to power the units. > However, the PoE specs say 48V, while the Bullet data sheet says says max > 24V. Ubiquiti has their own PoE power inserters, but they run off 120V and > I need this system to run off 12V. When I look for 12V PoE inserters, they > are for IP cameras that run from 12V and don't follow the actual PoE > standard 802.3af. > > So, will I be able to power an Ubiquiti Bullet from 12V? > > Thanks, > Michael > _______________________________________________ > PLUG mailing list > [email protected] > http://lists.pdxlinux.org/mailman/listinfo/plug > _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
