Huawei 4g router

[tomdrumbrae]

does this need a specific DATA plan only  sim or can I mobile sim plan. Its cheaper using a mobile sim plan

[Josh]

@tomdrumbrae As far as I'm aware, you should still be able to use a mobile SIM in the 4G router. We only recommend that you use data only plans, as that is what they're designed for. 

[vegtable]

I am using a voice & data sim in a Huawai (spelling) B315s router. It does work but I can't port forward. Not sure if that is a restriction of the voice & data SIM? Guess it depends how important port forwarding is for you?