Matter door / window contact sensor In development

A Matter-over-Thread contact sensor built around a design decision most sensors ignore: the faceplate. The detector body and the magnet are supplied as a matched pair, and the body carries a modular, magnetically attached faceplate that the end user can change without tools. Power is a choice of CR2 or 2×AAA. The platform is in development and sampling is open to design partners.
Matter over Thread Contact Sensor CR2 or 2×AAA Modular faceplate Sampling
Status, stated plainly: this product is in development, not in mass production. We publish it because the design decisions are made and design partners can sample now. If you need a certified, shipping Matter product today, our Matter smart plug is in production.

Specifications

Development-stage specification. Values are confirmed at design freeze, and the final figures are published with the certification pack.
ParameterCurrent design
Matter transportThread (requires a Thread border router in the home network)
CommissioningBluetooth Low Energy, per the Matter specification
Matter device typeContact Sensor
PowerCR2 or 2×AAA, selected per model — the two variants use different housings
Body finishCeramic-finish white body as the standard; alternative finishes per project
FaceplateModular, magnetically attached, user-replaceable — colour variants available
MagnetSupplied as a matched pair with the body; gap tolerance is specified at design freeze
MountingAdhesive pad standard; screw mount option
Certification statusIn development

Matter capability

What this device does inside a Matter network, and the decisions that were taken before firmware implementation began.

ItemDetail
Device typeContact Sensor
Core clusterBoolean State — the cluster that reports the open/closed state to the ecosystem
EndpointsSingle functional endpoint, plus the root node. Battery reporting uses the power source cluster on the root node.
Transport certificationThread. Where the radio module carries certified Thread component libraries, inheritance may remove separate Thread testing — checked before design freeze.
Border router dependencyA Thread device needs a Thread border router in the home. This is a product-documentation issue as much as a technical one, and we supply the wording for your packaging and manual.
Certification routeAssessed against the available Matter routes once the design freezes.

Why the faceplate is the interesting part

A contact sensor is a commodity object. The differentiation is almost never in the radio — it is in whether the object is something the customer is happy to have stuck on their door frame for five years.

  • Body and magnet designed and shipped as a matched pair
  • Faceplate attaches magnetically — no tools, no adhesive, no residue
  • Colour variants let a brand sell the same electronics as a different SKU
  • The user can change the look without changing the device
  • One certified platform produces a range, rather than one product producing one product

How we develop shared-platform ranges →

Design note

Two battery options, two housings

CR2 gives a smaller body with a longer service interval; 2×AAA gives a more common cell and a larger body. These are not interchangeable within one moulding, which is why they are treated as two variants on one platform rather than one product with two options.

For projects where size matters more than cell availability, the CR2 variant is usually the right starting point.

Customisation & ordering

ItemDetail
MOQSampling for design partners is available at low volume. Production MOQ is confirmed once the variant set is defined, since it depends on faceplate and housing combinations.
Available nowSamples for evaluation and design partner feedback.
Expected availabilityProduction availability follows certification completion. We give a dated production window in the quotation rather than a vague quarter.
ToolingStandard housing tooling is in place; bespoke faceplate or enclosure tooling is quoted per project.
Certification ownershipUnder your Vendor ID or transferred to you, agreed in writing before the project starts.
CustomisableFaceplate colours, body finish, magnet gap specification, packaging and branding, and market-specific battery choice.

Related reading

Door/Window Contact Sensors & PIR Motion Detectors

Technical guide

How contact sensors and PIR detectors work, why they are paired for intrusion detection, and what changes under Matter.

The four Matter certification routes

Service guide

Which route a Thread sensor qualifies for, and where the cost actually goes.

Want to evaluate the platform?

Design partners can sample now. Tell us your variant set and target market and we will confirm what is available and when.

Request a Quote