The CM491-016 from Alpha is a Vandal-Resistant Entrance Panel, it is modular and can be used in virtually any size building. Panel is equipped with a mylar, voice-frequency response speaker protected by a louvered grill and perforated aluminum material. The aluminum push button actuators may be permanently engraved with up to four letter/digit combinations. Panel feature alphabetical directory style name listings and heavy duty extruded aluminum construction.
Alpha CM491-016 Key Features
- Vandal-resistant panel: Ensures durability and longevity in high-traffic areas.
- Weather-resistant mylar speaker: Provides clear audio performance regardless of environmental conditions.
- Fully enclosed flush back box: Facilitates easy installation with convenient knockouts.
- Hands-free loud speaker: Offers user-friendly communication, optionally available with a handset.
- Engraved solid aluminum push button actuators: Customizable for easy identification and enhanced aesthetics.
- Self-wiping push button switches: Ensures reliability and longevity by preventing dirt accumulation.
- Vandal-resistant Lexan directories: Protects directory listings from damage and wear.
- Compatibility with speaker type remotes: Works seamlessly with IA543 amplifier or equivalent for extended functionality.
- Tamper resistant mounting screws: Enhances security by preventing unauthorized access.
Alpha CM491-016 Detailed Specifications
| Model | CM491-016 |
| Material | Aluminum |
| Speaker Type | Mylar, voice-frequency response |
| Mounting Type | Flush back box |
| Push Button Actuators | Aluminum, customizable engraving |
| Environmental Resistance | Vandal and weather-resistant |
| Directory Type | Alphabetical, Lexan |
| Installation Compatibility | IA543 amplifier or equivalent |
| Security Features | Tamper resistant screws |



















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