Extension module Homematic IP 153986A0 — white, wireless 868 MHz, 48×16×52 mm

Extension module Homematic IP 153986A0 is a compact accessory designed to extend Homematic IP smart home systems. The module operates wirelessly in the 868.0–868.6 MHz and 869.4–869.65 MHz bands and is housed in a white enclosure with dimensions 48×16×52 mm, allowing discreet installation in control cabinets, distribution boxes or hidden behind devices. Supplied as a single unit, it provides a simple way to add extra inputs or outputs to an existing Homematic IP network and integrates with other components of the same ecosystem.

Advantages

The module’s compact dimensions and white housing make it suitable for tight installation spaces without affecting interior aesthetics. Wireless operation in the specified 868 MHz ranges ensures compatibility with Homematic IP devices and reliable signal transmission in typical residential and commercial environments. Being a single small unit, it simplifies expansion of sensor or actuator coverage without major rewiring or structural changes.

Suitable for

• Expanding sensor or actuator connections within a Homematic IP system
• Installation inside control cabinets and distribution boxes
• Concealed mounting behind equipment or inside furniture
• Use in residential and light-commercial smart home setups

Key specifications

• Wireless frequency ranges: 868.0–868.6 MHz and 869.4–869.65 MHz
• Housing color: white
• Dimensions: 48 × 16 × 52 mm
• Mounting: suitable for installation in cabinets or behind devices
• Delivery: single unit included

How to use

Install the extension module in a suitable location such as a control cabinet or behind a device, ensuring adequate signal reception for the Homematic IP network. Connect the module according to the Homematic IP integration instructions for inputs and outputs you intend to expand; follow electrical safety requirements and switch off power before wiring. After physical installation and connection, add the device to the Homematic IP system via the central configuration interface or app and configure it to the required channels and automation rules.

Recommendations

Place the module in a dry, ventilated location with minimal metal obstruction to maintain reliable wireless communication. Verify signal strength after installation and, if necessary, relocate within the cabinet or choose an external position to improve reception. Observe local regulations regarding wireless devices and ensure a qualified person performs electrical connections.