Alarm.com ADC-VDBA-750-MCD Mechanical Chime Dongle for VDB750 Doorbell Camera

Resolve noisy or unreliable chimes and ensure consistent doorbell operation with the Alarm.com ADC-VDBA-750-MCD mechanical chime dongle. Designed specifically for use with the ADC-VDB750 video doorbell, this dongle eliminates rattling and humming while increasing power delivery when a transformer isn’t supplying adequate voltage. Installers benefit from flexible wiring options — it connects to either Front and Trans or Rear and Trans chime terminals — and a no-polarity requirement that speeds up on-site work and reduces callbacks.

Beyond quieting the chime, the dongle helps maintain dependable security and monitoring performance by ensuring the doorbell has the power it needs to send alerts and stream video without interruption. That makes it an ideal accessory for security integrators, property managers, and IT teams deploying Alarm.com doorbell solutions in residential or commercial settings. Add the ADC-VDBA-750-MCD to your VDB750 installation to improve chime reliability and overall surveillance responsiveness. Order now to upgrade your doorbell system and reduce nuisance chime issues.

• Eliminates mechanical chime rattling and humming for clear, professional doorbell alerts
• Boosts power delivery to the ADC-VDB750 when transformer voltage is insufficient
• Simple wiring to Front & Trans or Rear & Trans chime terminals for fast installation
• No polarity requirements, reducing installation errors and save time on-site
• Improves reliability of security and surveillance notifications for properties and installations