Laravel how to Join other database tables?

I have 2 tables but different databases, I want to join those tables together? Example:

SELECT CharID,StrUserID
FROM SRO_VT_SHARD.dbo._User as us
     JOIN SRO_VT_ACCOUNT.dbo.TB_User u ON us.UserJID = u.JID
ORDER BY StrUserID ASC

via Chebli Mohamed