Dahua VTO4202FB Call Button Module for Modular Intercom System

Dahua’s modular intercom system approach gives installers and system designers the ability to specify a door station built from the specific functional modules required for the application, rather than buying a fixed-function device that may include features not needed or omit features that are required.

The VTO4202FB-MB1 is the call button module in this modular system, providing the visitor call trigger that activates the communication link between the door station and the indoor monitor. In a modular build, this module is combined with a camera module for video, and optionally a card reader module for access credential presentation, and a nameplate module for apartment or unit identification labelling.

This modular approach is particularly suited to multi-unit residential buildings, office floors with multiple access points, and commercial premises where different door positions require different combinations of functions. A main entrance might require a camera module, call button module, and card reader module, while a secondary entrance might use only camera and card reader without the call button, all sharing the same modular hardware platform.

For access control and intercom installers completing Dahua VTO4202 modular door station builds across residential developments, office buildings, and commercial premises in London and across the UK, the MB1 call button module is the component that provides the visitor call function in the modular assembly.

Key Features

• Call button module for Dahua VTO4202FB modular intercom door stations
• Provides the visitor call trigger in the modular door station assembly
• Combines with camera, card reader, and nameplate modules as required
• Enables bespoke door station configuration for each access point
• Suited to multi-unit residential and multi-access commercial buildings
• Part of the Dahua modular IP intercom platform