I want to connect my arduino to the internet via 4G. I tried it with an MKR-GSM 1400 but it didn't really work. So I think the quickest solution for me right now would be to buy a all-in-one data transfer unit; antenna, battery and everything else already included. But I don't really know what I should look for in this product class so that it's compatible with an Arduino. I found this product but I'm not too sure if it's compatible and maybe one knows a more compatible one?

  • I'm pretty sure the mentioned product can be added to a Arduino (which type?) via serial communication (UART, TTL Level (5V)). If you use a 3.3V Arduino, I would use a RS485 or Rs232 adapter between or at least a level shifter. But I'm not sure that the 4G of this product is what you expect. LTE-M1, which is a pre4G standard, is also called 4G. So you would have to check, what you really need and then if the 4G of this product has the same meaning. – Peter Paul Kiefer Dec 21 '19 at 10:32
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    It also makes no sense to use a adapter that communicate with the Arduino with max 115200 bit/s to access a 300 Mbit/s network. Do you really need a 4G module? – Peter Paul Kiefer Dec 21 '19 at 10:34
  • not necessarily, perhaps NB-IoT module would be a better fit – Cowboy_Patrick Dec 21 '19 at 16:53

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