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This Tiny Radio Lets Me Send Texts Without Wi-Fi or Cell Service
(www.howtogeek.com)
This is a most excellent place for technology news and articles.
You can, there are websites that show some of the devices. But from what I've found, it's only showing around 1/4 of the real devices in the area. Or at least where I am at.
I'm on the phone so I'm not sure off the top of my head, but I think someone already linked a couple above.
Thanks. I eventually saw that comment and I am just a bit out of range of one listed.