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Inovelli has started development of the White Series VTM32-SN, a Matter-over-Thread wall switch planned to include built-in 24 GHz mmWave presence sensing. Hardware and firmware work are underway, but features and dates may change; no price or preorder date has been announced.
Inovelli has started developing the White Series VTM32-SN, a Matter-over-Thread wall switch planned to add built-in 24 GHz mmWave presence sensing to the company’s Matter lineup. The project remains in an early development stage, and Inovelli says the product’s features and schedule may change.
The VTM32-SN is intended to extend Project Linus, Inovelli’s presence-sensing switch design already offered in its Zigbee Blue Series and Z-Wave Red Series, to the Matter-enabled White Series. Inovelli has completed its initial product requirements and research-and-development analysis; hardware design and firmware development are now underway, according to the project information cited in the report.
The current target feature set includes 24 GHz mmWave sensing, a configurable paddle and favorite button, and an addressable RGB LED bar. Inovelli is targeting dimmer or on/off operation, power monitoring, smart-bulb mode, adjustable ramp rates and dimming limits, leading- and trailing-edge dimming, over-the-air updates and multi-way installations. The company is also investigating an integrated lux sensor, but its inclusion is not confirmed.
The switch is designed to work without a neutral wire, a less common and technically challenging arrangement for a Matter-over-Thread device. These are development targets, not a final specification. The source report says Inovelli has opened the process to community feature requests, beta testing and project updates.
Presence Sensing Comes to White Series
The project would add occupancy detection to Inovelli’s Matter-over-Thread wall-switch range, bringing the White Series closer to features already available in the company’s Zigbee and Z-Wave product lines. For users, an in-wall sensor could let lighting respond to whether a room is occupied without relying solely on a separate motion sensor or a manual switch press.
MmWave radar can detect smaller movements than conventional passive infrared sensors, which may help keep lights on when someone is relatively still. But detection performance depends on placement and room conditions, and radar can produce false detections. The project’s practical value will depend on how well Inovelli tunes sensing in real homes, not only on the listed hardware.
The planned Matter-over-Thread connection also makes the switch relevant to households using Matter-compatible equipment across platforms. However, the announcement does not establish which controllers or devices will support every proposed feature, or how the product will behave in specific smart-home setups.
Matter-over-Thread smart light switch
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How It Fits Inovelli’s Matter Lineup
Inovelli’s White Series is its Matter-over-Thread counterpart to the Zigbee Blue Series and Z-Wave Red Series. The lineup began with a 2-in-1 switch now sold as the White Series Smart Dimmer. Inovelli has since added an on/off switch with humidity sensing, a dedicated fan switch and a fan-and-light canopy module, according to the source report.
Project Linus is already represented in Inovelli’s Blue and Red product families. The VTM32-SN would adapt that presence-sensing concept for Matter over Thread. The report also notes Inovelli’s work on Matter binding, which can let compatible devices control one another directly. Recent White Series beta firmware has expanded this work to group binding, allowing a switch to target a Matter group rather than separate individual lights.
The report describes Matter 1.6.1 as adding a newer Groupcast architecture and says Home Assistant is working on compatibility and native Groupcast support. It does not confirm that the VTM32-SN will ship with Matter 1.6.1 or support Groupcast. Any link between that standard and this switch remains a possibility, not an announced feature.
“The company says features and dates may change as development progresses.”
— Inovelli, as described in the project information cited by Matter Alpha
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Features, Pricing and Certification Pending
No price or preorder date has been announced. The report does not provide a confirmed launch date or final retail specifications, and the proposed lux sensor remains under investigation. The switch’s sensing accuracy, false-detection performance and compatibility with particular Matter controllers also have not been established in the available information.
It is not confirmed whether the VTM32-SN will support Matter 1.6.1 Groupcast. Nor does the report establish whether every targeted function, including power monitoring, smart-bulb mode and multi-way operation, will appear in the shipping product. The certification and production dates are plans, not completed milestones.
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Beta Testing and Certification Schedule
Inovelli’s current plan calls for 15 beta samples, with testing scheduled from November through Dec. 20. Matter certification and other certification work are targeted for December through Feb. 1, 2027, followed by production preparation. The company currently targets mass production for March 20; the source report cautions that dates may change.
Inovelli is accepting community ideas through its forum and has invited people to follow project updates or volunteer for beta testing. The company says contributors whose ideas are adopted may receive credit and a free device. The next useful milestones will be publication of firmer specifications, beta test results, certification progress and any announcement of pricing or availability.
smart dimmer switch with motion detection
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Key Questions
What is Inovelli developing?
Inovelli is developing the White Series VTM32-SN, a Matter-over-Thread wall switch planned to include Project Linus presence sensing.
What does the mmWave sensor do?
The planned 24 GHz radar sensor is intended to detect room occupancy, including smaller movements that conventional passive infrared sensors may miss. Real-world performance and false detections have not yet been established for this switch.
When will the switch be available, and what will it cost?
Inovelli’s current schedule targets mass production on March 20, after certification work targeted to run through Feb. 1, 2027. No price or preorder date has been announced, and the schedule may change.
Will it support Matter 1.6.1 Groupcast?
That has not been confirmed. The source report says Inovelli has worked on Matter binding and group binding in White Series beta firmware, but does not establish that the VTM32-SN will ship with Matter 1.6.1 or Groupcast support.
Can people take part in development?
Inovelli is inviting community feature requests and beta-testing volunteers through its forum. The company says contributors whose ideas make it into the product may receive credit and a free device.
Source: rss
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