Hi, I’ve written a blog about Relay. It’s bad form to pop up on a forum where you are a newbie and post links so I’ll leave that to people who want to google my name.
My question is this. Is the Relay 4G and Wi-Fi only or does it do 3G? I get the impression that it’s using VoLTE on LTE Release 13, which is pretty new, but it could be 3G PoC.
Can someone technical explain which it uses? There are implications as to what it can talk to - does the parent need to have a Release 13 or later phone to push-to-talk to a Relay from a non-Relay device? If Grandma has a Jitterbug dumb phone can she talk to the kids on Relay?
How does 4G coverage compare with combined 3G and 4G overage?