It’s used in many different ways by different people, but the primary objective of the SDM 100 remains the same after 25 years: to measure consumer dollars gained by alarm companies, in order to present an account of the size of the market captured by the 100 largest security providers.
Just google “SDM 100” and you’ll get close to one million results. The SDM 100, a report that ranks the 100 largest electronic security companies by their recurring monthly revenue, is a gold standard in the security industry today.