OK so Narrowband IoT isn’t designed for smartphones

Even so I wanted to see if it was possible to use Watsapp using narrowband as the communication channel

The router was a Teltonika TRB255 and I put our multi network IoT SIM card inside

The KeySIM is normally used for 4G & 5G however from 01.06.2023 we have added narrowband as a new capability

At the time of writing (10.06.2023) narrowband is only available on Vodafone but 2G upwards is available on Vodafone, O2, EE & Three so it is handy that the TRB255 also has 2G capability and also CATM

I am pretty impressed with what I have seen so far on narrowband, I plan to experiment further to see how deep and powerful the penetration is.

www.keysim.co.uk

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