All Orange County Fire operates on The county 7/800 P25 system. Used to be called CORNET now it is called OCPSRS. Primary response talkgroup is Fire Resp 1. You can see the full list in the database.
The Sterling Forest Fire Co. #2 is part of the Tuxedo Fire Dept/Tuxedo Joint Fire District (along with Tuxedo Park Fire Co. #1 and Eagle Valley Fire Co. #3). They all operate on the same radio channels/talkgroups, which are listed in the database.