EC25-V: Band search/preference?

As Verizon has different LTE-bands, I need to ask: How does the modem decide, which band to use, assuming, service “vzwinternet” available ?

By negotiation with the base station, using various parameters including signal strength and quality, and the band priorities broadcast by Verizon.

Much of what you see in the AT+QENG="neighbourcell" result is regularly transmitted from modem to base station.

Selection is done by the combination of Physical Cell ID and EARFCN (which combination must uniquely identify a cell in view at any time). The band is determined along the way by that process.

This is my understanding.