ALPHA COMMUNICATIONS IS543 5/4/3 WIRE INTERCOM STAT-PLAST

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