I'm interested in making an IoT project using cellular. I was thinking sms based control.
I'm looking for a shield unit that has good 3g/4g compatiblity and will have good signal strength everywhere.
I've read some units only support 2g.
Can you recommend a shield?
Went with Waveshare Arduino UNO Plus (configurable via jumper to 3V3) and Waveshare gsm/gps shield.
Considering Telna here for network, looks like they run t-mobile towers? It’s pretty reasonably priced.
I also picked up a Arduino Mega, and parts to do a 3.3v conversion on it. We’ll see how that goes.
Any thoughts?
Ended up picking up a waveshare unit, which burned out immediately upon plugging it in to the vendor provided power supply. Go figure.
Backup is a Arduino official GSM Shield, which is of course back-ordered.
More to come.
Set up Telna service, just need something to plug it into. T-Mobile service in my area was terrible when I moved into my house, so we'll see if they've fixed it since then. I believe Telna uses their own ? and T-Mobile towers in the back-end. But man they're cheap.