At+wscan

Also, what’s the use of AT+WSCAN? What is the use of its output (i.e. what decisions can be made from it)? Band selection AT+WMBS?

Looking at this a bit more, am I correct in presuming that the channel number is the same as that indicated in AT+CCED? - so AT+CCED can identify the current and adjacent BSIC/BCCH-Freq values and then determine the signal strength for the frequency codes indicated?