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27 5140 - Door-Entry Intercom Systems

Aiphone Communication Systems

American Access

American Access Systems
Commercial grade, access control equipment for use with all types of vehicle and pedestrian gates. AAS product families range from keypads, card readers and telephone entry systems, to PC based access control equipment for up to 200 entry points. Control locally,via modem or via LAN connection.

DKS DoorKing - Manufactures vehicular gate operators, parking control equipment, single and multi-door access control systems.
Lee Dan Communications - Since 1955, manufacturing standard and custom intercom entry systems for multi-housing, homes and offices.
LiftMaster - Sentex
Linear Corporation
Mircom Technologies
Pach and Company
Quantometrix
Select Engineered Systems
Silent Call Communications
Tektone Sound and Signal Mfg. - UL-listed nurse call, wireless call, apartment entry, paging, rescue assistance systems, and alert notification.

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