Good day! I am suggesting to add the ability to select primary and secondary LTE bands for this device for a more stable internet connection. In my current situation, I am aggregating bands 1 and 3. I

Does carrier aggregation only work with TDD or TDD+FDD LTE bands? I noticed that when I select one or two FDD bands, 4G+ won't work at all. However, if I select even just 1 TDD band (band 40), 4G+ wor