| BRAND | Zettler |
| Product | 138.1740K |
| Description | Integrated room termina |
| Internal code | IMP4287018 |
| Technical specification | containing: control electronics, memory call for power failure, loudspeaker module with intercom lamp, 6 self-monitoring circuits call, microphonic module with 2 keys presence and 3 call, module-handling with alphanumeric display and 3 keys, including installation, complete connection accessories, fixing and mounting; installed |
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