Patented design allows use on 5-wire, 4-wire or 3-wire systems
Clear voice-quality
Precision-engineered for reliability
The Alpha Communications IS543 is a universal apartment intercom station which combines modern styling with ease of operation to provide natural, clear voice communication and positive door-release operation. The white, high-impact, ABS plastic faceplate blends with any decor. The advanced circuitry and versatility permits use in large or small buildings, with one or several entrances. The patented design of this station allows for connection to popular 5-wire, 4-wire or 3-wire intercom system configurations, with a single model station. In addition, the 2 vertical and 2 horizontal mounting holes allow the IS543 to mount over a single-gang electrical back box (or mounting ring) or over the IH101 and/or IH102 flush housing(s). This unit replaces at least 6 models of existing intercom stations! With the addition of the optional model AP543 adaptor plate, you can now replace 9 existing stations.A wide variety of optional accessories is available to provide additional functions such as multiple entrance operation, post office door release, etc.Inside Dimensions: 4.00"W X 5.63"H X 1.75"D, Outside Dimensions: 5.00"W X 7.00"H X 1.00"D Brand: Alpha Communications, Model: 4331022837
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