5G is the next obvious upgrade to 4G and LTE that we use extensively today for our data needs when we're on the go. LTE was a huge upgrade from the much slower 3G a few years back. But in 2019, we're seeing over 1Gbps speeds with 5G. To make this a reality, wireless carriers are using a combination of different technologies and waves. In this post, I'll try to explain two of those which we see and hear in most conversations revolving around 5G - Sub-6 and Millimeter waves. To understand sub-6 and millimeter waves (mmWaves), we first need to understand how our smartphone radio signals function. As you all know, we have cell phone towers or antennas placed all