The Siedle bus-mounted door speaker BTLE 051-05 is a high-quality solution for integration into custom-built intercoms, door constructions, or mailboxes. This product enables simple and effective communication at entrances and is specifically designed for use in building security systems. The speaker is equipped with a bus call button matrix that allows the connection of up to 12 custom call buttons, ensuring flexible and user-friendly operation. Installation is straightforward and seamlessly integrates into the existing infrastructure. The speaker is made of durable plastic and provides reliable performance in various environments. With its compact design, the speaker is both functional and aesthetically pleasing, making it an ideal choice for modern buildings.

• Integration into custom-built intercoms and door constructions
• Connection of up to 12 custom call buttons
• Durable plastic construction
• Easy installation in the bus system.