An intercom, is a stand-alone voice communications system for use within a building or small collection of buildings. Intercoms can incorporate connections to public address loudspeaker systems, walkie talkies, telephones.
An audio and video intercom system can help secure your property by allowing you to visually confirm, and audibly speak to visitors to your home or business, without risking forced entry by unlocking / opening the front door.
Typically door stations may be used to cover front and / or rear gates, the front door, a granny flat, or any number of potential access points to your property.
• Master Station:These are units that can control the system, i.e., initiate a call with any of the stations and make announcements over the whole system.
• Sub-station - Units that are capable of only initiating a call with a Master Station but not capable of initiating calls with any other stations (sometimes called slave units).
• Door Station - Like sub-stations, these units are only capable of initiating a call to a Master Station. They are typically weather-proof.
• Intercom Station - Full-featured remote unit that is capable of initiating and receiving party-line conversation, individual conversation and signalling. May be rack-mounted, wall-mounted or portable.
• Amplifier - An intercom systems main or central component that is responsible for switching or connecting communication paths between master and substations in addition to distributing or switching power to auxiliary connected devices i.e. door strikes to allow entry.