![Bosch Door/Window Contact II [+M]](/accessories/img/2a5d9644b85e0f6ff77b.webp)
Bosch Smart Home
Bosch Door/Window Contact II [+M]
Doors and Windows · Security
MatterThreadBluetooth
Where to buy
Search other stores
Store links open the product’s own page, matched to this accessory by name and model number. Prices and stock aren’t checked and vary by region; check that the model you buy says it works with Apple Home or Matter.
From store listings
From the Bing Shopping page for “Bosch Door/Window Contact II Door/Window Sensor Wireless Door/Window Anthracite”.
In ReReHome
Position and hold for motorized doors and windows, obstruction alerts, and open or closed from contact sensors.
And every other characteristic or Matter attribute it exposes.
Connectivity
- Thread
- Bluetooth
How it reaches your home
- Matter over Thread
Identifiers
| Manufacturer | Bosch Smart Home |
|---|---|
| Model / SKU | Tür-/Fensterkontakt II [+M] (MPN EU12309) |
| Matter ID | 4617 / 12309 |
Compatibility notes
- Bosch's native-Matter [+M] contact pairs directly with Matter ecosystems without the Bosch controller; Bosch's Matter page lists it among the [+M] line with Heizkörper-Thermostat II [+M], Zwischenstecker kompakt [+M] and Bewegungsmelder II [+M] (bosch-smarthome.com, read 2026-10-18).
- Matter 1.2 over Thread, CSA certificate CSA243F7MAT43690-24 dated 2024-08-12, manufacturer part number EU12309 (matteralpha.com, read 2026-10-18).
- Bosch community users report that pairing with Apple Home via an Apple TV border router can take several attempts (community.bosch-smarthome.com, 2024-2025).
