LG Air Quality Sensor TMSA2A4W
TMSA2A4W; Korea retail ~KRW 148,000; VID 0x102E; ST fingerprint 4142/8208
High confidence
2026-10-16 last checked
thread transport
Specs
| Brand | LG |
|---|---|
| Model | Air Quality Sensor TMSA2A4W |
| Device type | Air quality · Temp / humidity |
| Matter / firmware | Matter 1.2 (CSA25D2AMAT48252-24, fw 1.2.00, certified 2025-11-02 per Matter Alpha; earlier CSA250E6MAT45112-24 fw 1.1.00) |
| Transport | thread |
| Thread role | Full End Device (Thread + BLE) — needs Thread border router + Matter controller |
| Confidence | High |
| Last checked | 2026-10-16 |
Platform support for this device type
| Field | Apple Home | Google Home | Amazon Alexa | SmartThings | Home Assistant | Homey | Hubitat |
|---|---|---|---|---|---|---|---|
| Pairs | Y | Y | Y | Y | Y | Y | Unknown |
| Control | Y | Y | Y | Y | Y | Y | Unknown |
| Starts automation | Y | Partial | Unknown | Y | Y | Y | Unknown |
| Controlled by automation | N | N | N | N | N | N | Unknown |
| Confidence | High | Med | Med | Med | High | Med | Med |
Product notes
CSA product title LG Air Quality Sensor. Official LG Korea page (TMSA2A4W) has cart/buy path (~KRW 148,000). MatterCatalog: Korean version, no verified US store. SmartThings Edge fingerprints.yml: id 4142/8208 deviceLabel 'LG Air Quality Sensor' vendorId 0x102E. Measures PM / CO2 / temp / RH per LG page + Matter Alpha. No SKU-level Apple/Google/Alexa automation test this pass.
v0.49 High add from AQ watchlist. CSA25D2AMAT48252-24 + LG Korea retail cart confirmed; not US-store. Distinct from Apple Home Collection LG temp sensor Med (TMST2A6W pre-ship).
How it differs from the type answer
- Korea-market official retail (import may be required outside KR) — still a clear consumer buy path.
- LED air-quality indicator + ThinQ app alerts may exceed plain Matter AQ exposure.
- Also reports temperature and humidity → also_device_types temp_humidity.
- Primary device type Air Quality Sensor per CSA title / Matter Alpha / ST fingerprint (CSA HTML Cloudflare-blocked this pass).
Sources
- csa-iot.org · official · 2026-10-16
- lge.co.kr · official · 2026-10-16
- matteralpha.com · community · 2026-10-16
- mattercatalog.com · community · 2026-10-16
- raw.githubusercontent.com · community · 2026-10-16