Intercom Siedle BTM650-04 White, wall-mounted audio station, operating temp -20 to 55 °C, depth 2.4 cm

The Siedle BTM650-04 White is a wall-mounted audio station for building entry communication. With a slim depth of 2.4 cm and a broad operating temperature range from -20 to 55 °C, this unit is designed for installation in both residential and commercial environments. It delivers hands-free voice communication and integrates with Siedle intercom systems to enable door control and visitor screening while maintaining a compact, unobtrusive profile on the wall.

Advantages

The slim profile reduces protrusion from the wall and simplifies placement in corridors, stairwells or apartment entryways. The hands-free audio design supports natural two-way conversation without the need to pick up a handset. Wide operating temperature tolerance allows reliable operation in unheated or exposed areas within the specified range. Integration with Siedle systems ensures compatibility with common door-release and monitoring functions used in multi-tenant and single-family installations.

Suitable for

• Residential apartment entry and hallway installations
• Small to medium commercial buildings and offices
• Multi-tenant entry panels and concierge stations
• Locations requiring low-profile wall-mounted intercom units

Key specifications

• Mounting: wall-mounted audio station
• Color: white finish
• Depth: 2.4 cm (slim profile)
• Operating temperature range: -20 to 55 °C
• Audio mode: hands-free two-way voice communication
• System compatibility: integrates with Siedle intercom systems for door control and visitor screening

How to use

Install the BTM650-04 on a suitable flush or surface-mount backbox following Siedle installation guidelines and local electrical regulations. Connect the unit to the Siedle system bus and power supply as required for your specific system configuration. Once connected, the unit provides hands-free call and talk functions for visitor communication; door release and other control functions are enabled through the integrated system controls. Adjust mounting height and orientation so the microphone and loudspeaker align with typical user positions for clear speech intelligibility.

Usage recommendations

For reliable performance, ensure the unit is installed in a protected area away from direct water exposure. Use recommended Siedle system components and follow official wiring diagrams for door-release and monitoring features. Regularly check acoustic clarity and mounting security during routine maintenance, and avoid placing heat sources directly adjacent to the unit to remain within the specified operating temperature range.