@pMR600 the sad reality is that tech in LTE modems is inferior to phones, despite mains power and external antennae. In my example, the base station is 250m away and I achieve "100%" with high SNR....

@Kevin_Z, OP here. Thanks for the delayed response. TP-Link's engineer is being vague. How can something be "more" hardware than firmware? Please confirm. Also confused by your original reply. Do you...

Hi TP Link community, My new MR600 doesn't connect to my ISP, Three UK, on 4G+. My phone and tablet both connect to Three UK on 4G+ using carrier aggregation of bands 1 + 3. The MR600 only connects...