what means these letters in switch ?

[MM.J]

hi

every switch has some Letters in its name,like C9300-24UXB-A or C9300-48T-M
is there any document which explains these Letters?
(UXB-A or T-M ....) and so on

[MHM Cisco World · Accepted solution]

https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-9300-series-switches/nb-06-cat9300-architecture-cte-en.html

All letters explained here 

MHM