It is Qualcomm's WCN3680, located in bottom-left corner of the board near the two Camera Flash LEDs.
Also the dual RFIC (WTR1625L + WTR1625) is to support concurrent use of multiple RF bands, which can be for either SV-LTE (for VZW) or for LTE-CA.
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
No reputation gained yet.