The Elite model EL25 from The Chamberlain Group is a telephone entry system designed for single-family residences, multi-tenant apartment buildings, gated communities and light-duty commercial sites. The model has 25 directory codes and 250, three-to-nine digit access codes. The product can also record up to 1,000 transactions and has four controllable relays that are programmable to accommodate door strikes, alarm shunts and CCTV. The Chamberlain Group

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