Siterwell GS886A-MTAT
CSA Matter certified (certificate CSA25F89MAT48859-24). Uses Thread, so it needs a Thread border router as well as your platform’s Matter controller.
At a glance: Matter certified: Yes, Dec 9, 2025 · Connectivity: Thread, Bluetooth · Works with: Apple Home, Amazon Alexa and Google Home · Thread border router: Needed (uses Thread)
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Certificate: CSA25F89MAT48859-24Siterwell GS886A-MTAT is a smart sensor. It is listed as a Thread device, so Matter setup needs a Thread border router such as a HomePod mini or a Google Nest Hub (2nd gen). It is CSA Matter certified (December 9, 2025), so it works with Matter apps such as Apple Home, Google Home, Alexa and SmartThings; supported features vary by app.
Specifications
- Brand
- Siterwell
- Category
- Sensors
- Protocols
- Thread, Bluetooth
- Certificate ID
- CSA25F89MAT48859-24
- Certified
- Dec 9, 2025
- Firmware
- V01.06
Ecosystem compatibility
Quick answers
- Is the Siterwell GS886A-MTAT Matter certified?
- Yes. MatterCatalog matches it to CSA Matter certificate CSA25F89MAT48859-24, certified Dec 9, 2025.
- Which smart home platforms does the Siterwell GS886A-MTAT work with?
- MatterCatalog lists Apple Home, Amazon Alexa and Google Home. Controls can differ from app to app.
- Does the Siterwell GS886A-MTAT use Thread or Wi-Fi?
- Thread. Its catalog record lists Thread, and Matter devices that use Thread need a Thread border router in the home, in addition to your platform’s Matter controller.
From this product’s catalog record, not hands-on testing. Editorial policy
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