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There are two main types of Westinghouse Wireless Intercoms. The first is a 5 Channel Doorbell, or Front Door, Systems that operates as 900 MHz cordless phone. This Westinghouse 5-channel Wireless doorbell ( or Front Door) Intercom System provide a wireless audio communication link between up to five intercom stations and one or two remote Doorbell Intercom units. The system uses digital signals to control the stations called and provide a unique "house code" that prevents other nearby intercoms from accessing the system. Either of two radio frequencies can be selected to further eliminate the chance of interference from adjacent systems. The Console features five station number pushbuttons for selecting the party to call. The ALL CALL button can be used to call all stations. Pressing the TALK button at the door calls the selected station, then controls the direction of the conversation. Each intercom user presses their TALK button to activate the microphone during the conversation. The Doorbell works as Console station 4 or 5. Pressing the Doorbell's TALK button sounds a "ding-dong" (station 5), or "dong" (station 4) at the Console, then the conversation begins by pressing the units' talk buttons.
The Westinghouse 2, 3, and 4 channel intercoms are Line Carriers. Line Carrier Wireless Intercom Systems utilize your electrical lines to move the sound from one unit to another. They must be plugged into electrical outlets at the wall rather than into surge protectors or multi-plex outlets. In addition, they must be in outlets that are on the same breaker box, not separated by sub-panels or by different breaker boxes. For optimal operation they should be plugged into outlets on the same phase or leg of the breaker box. When these operational conditions are met, they are able to operate consistently and clearly.
Purchase at the G.I.N. Electronics Custom Install Store