Siedle S. & Soehne bus telephone standard aluminium/white BTS 850-02 A/W

Delivered between 28.1.2026 and 12.2.2026
free shipping

Colour5

Product details

The S. & Soehne Bus Telephone Standard Aluminium/White BTS 850-02 A/W from Siedle is a modern intercom system designed for use in the Siedle In-Home Bus. This device combines functionality with appealing design to facilitate efficient communication in the living area. Equipped with a variety of features, it not only provides clear voice transmission but also includes additional functionalities such as a night vision mode and the ability to store video. Installation is straightforward as it mounts easily on the wall. The bus telephone also features an integrated speaker that ensures excellent sound quality. Its compatibility with smart home systems allows for seamless integration into modern living concepts. Made in Germany, the product stands for quality and durability.

  • Night vision mode for enhanced visibility in darkness
  • Integrated speaker for clear audio transmission
  • Video storage for documentation of visitors
  • Compatible with smart home systems for expanded features
  • Customizable for individual adjustments.

Key specifications

Power supply
Electrical connection
Doorbell features
Automatic door openerIntegrated loudspeakerIntercom systemNight vision modeRecordable by yourselfVideo recording
Doorbell type
Intercom system
mounting style
Finery
Item number
30451736

General information

Manufacturer
Siedle
Category
Doorbells + Door intercom system
Manufacturer no.
200044617-00
Release date
19.4.2021

Colour

Colour
White
Exact colour description
White

Material

Material group
Plastic
Material
Plastic

Doorbell properties

Doorbell type
Intercom system
mounting style
Finery
Doorbell features
Automatic door openerIntegrated loudspeakerIntercom systemNight vision modeRecordable by yourselfVideo recording

Smart home features

Smart Home
Compatible
Requires Smart Home Hub
No

Power supply

Power supply
Electrical connection

Origin

Country of origin
Germany

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1

Product dimensions

Length
4.60 cm
Width
10.60 cm
Height
20.10 cm

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Doorbells + Door intercom system» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 14.Ubiquiti
    1 %
  • 16.Heidemann
    1.1 %
  • 16.Siedle
    1.1 %
  • 18.Bticino
    1.2 %
  • 19.Reolink
    1.6 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 6.Google
    1 day
  • 6.Reolink
    1 day
  • 8.Siedle
    2 days
  • 9.Aqara
    3 days
  • 9.Arlo
    3 days

Return rate

How often is a product of this brand in the «Doorbells + Door intercom system» category returned?

Source: Digitec Galaxus
  • 25.EZVIZ
    12.2 %
  • 26.Feller
    12.9 %
  • 27.Schneider Electric
    13.2 %
  • 28.TCS
    15.8 %
  • 29.Siedle
    37.3 %
Source: Digitec Galaxus