Alpha OF203 3 Gang Panel Frame-NAT Aluminium | 123 Security Products

3 Gang Panel Frame-NAT Aluminium Use with OH203 Flush Housing or IH303 Surface Back Box. The Alpha Communications® / TekTone OF203 panel and annunciator frames are made of heavy gauge extruded aluminum, in a natural (clear) anodized finish. They are used primarily with nurse-call and emergency-call annunciator master stations, but are also used with a variety of apartment entry intercom and video intercom lobby panel modules. For flush mounting, the OF203 can be used by itself, or with the matching OH20X series flush back box/housing. For surface mounting, the OF203 requires the matching O