License EX family

EX  serie Licenses:  https://www.juniper.net/techpubs/en_US/junos/topics/concept/ex-series-software-licenses-overview.html#jd0e633

Enhanced feature licenses (EFLs) or

Advanced feature licenses (AFLs) 

https://www.juniper.net/documentation/en_US/junos/topics/topic-map/understanding_software_licenses.html#jd0e71

Example for EX2300: