The HT40W from Alpha is a handset designed to work as an apartment type handset intercom station, using a minimal of wiring. Handset in a building can be wired on only two (2) common (loop) wires. QwikBUS handset feature textured finish (to minimize scratches and fingerprints), electronic tone signaling, heavy duty replaceable coiled cord and (3) three momentary button switches. This switch used for door release, or other signaling functions, depending upon system configuration, as well as LED indication/programming.
Alpha HT40W Handset Features
- Crystal Clear Enhanced Half-Duplex Voice Operation: Enjoy seamless communication with minimal interruption, ensuring clear conversations.
- Easy Installation – Only 2 Common (loop) Wires Required: Simplifies setup, reducing installation time and costs.
- Eavesdrop Privacy: Protects your conversations from unauthorized listening, enhancing security.
- Clear Voice Fidelity using Electret Condenser Microphones: Provides high-quality audio for better understanding during calls.
- Rugged and Reliable / Simple to Operate: Designed for durability, ensuring long-lasting performance with user-friendly operation.
Alpha HT40W Detailed Specifications
| Model | HT40W |
| Type | Intercom Handset |
| Wiring Requirement | 2 Common (Loop) Wires |
| Finish | Textured (Minimizes Scratches and Fingerprints) |
| Cord Type | Heavy Duty Replaceable Coiled Cord |
| Buttons | 3 Momentary Switches |
| Features | Door Release, Signaling Functions, LED Indication |
| Voice Operation | Half-Duplex |
| Microphone Type | Electret Condenser |
| Privacy Feature | Eavesdrop Protection |



















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