4 Wire Surface Station-Plastic Use with IA543 (or PK543A) Amplifier. Use Model# IH400A Desk Cabinet (if Required).The Alpha Communications® / TekTone IR204E are surface mounted apartment stations which combine 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. A wide variety of optional accessories is available to provide additional functions such as multiple entrance operation, post office door release, security alarm, etc.