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Is a 4G IoT device likely to have no 2G support?

Johnmcl7

Pro Member
I have a GPS tracker for my dog which uses 2.5G for its internet connection so I can track him if he gets out of sight. The company have a newer model which they've advertised as only having 4G support so I contacted them and they confirmed the device had no 2G support. (I'm using the term 2G generally to include 2.5G and 2.75G or whatever EDGE is)

I don't have any experience with small dedicated mobile devices like this and I'm wondering are there 4G only modems that can't connect on 2G? The company have discontinued the older model I use and I feel a 4G only tracker given the product is likely to be mostly used in the countryside with no 4G coverage would make the tracker much less useful. I know 3G is being turned off but I thought the older 2G networks were being kept.
 
Most basic 4G modem chips are backwards compatible to GPRS. However the integral SIM and service provider contract need to support it. New models going forward may be LTE-M only (possibly 4G/5G). You have to go by what the company says they support.

Tracktive specifically state LTE-M and GPRS on current models but others may not.
 
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