Key facts
- Sensor: "4D 60-GHz mmWave Radar with MIMO Array", with 24 transmitters and 22 receivers, and a maximum transmit power of 20 dBm (VS373 product page, checked 2026-09-06).
- Fall claim, in the vendor's words: "High Fall Detection Accuracy of Up to 99%" (VS373 product page, checked 2026-09-06). The page also uses the heading "99% Accurate Fall Detection". No test method, sample size, population or false-alarm rate is published alongside it.
- No camera, no microphone, nothing worn: the device is a fixed ceiling sensor (VS373 product page, checked 2026-09-06).
- Connectivity: LoRaWAN across regional bands including US915, EU868 and AS923, plus Wi-Fi 802.11b/g/n at 2.4 GHz and Milesight's D2D protocol (VS373 product page, checked 2026-09-06).
- Hosting: the device integrates with Milesight's IoT Cloud and DeviceHub. No data residency location is stated.
Attributes as published by the vendor
| Vendor | Milesight |
|---|---|
| Product | VS373 fall detection sensor |
| Sensor type | "4D 60-GHz mmWave Radar with MIMO Array", 24 transmitters and 22 receivers, maximum transmit power 20 dBm; ceiling-mounted |
| Camera | No |
| Microphone | No |
| Wearable | No |
| Fall-detection claim (vendor's words) | "High Fall Detection Accuracy of Up to 99%" — milesight.com VS373 product page, checked 2026-09-06 |
| Hosting country | Not publicly stated |
| Available in Canada | Not publicly stated |
| Pricing model | Not publicly stated — sold through distributors, no list price published |
| Vendor page | https://www.milesight.com/iot/product/lorawan-sensor/vs373 |
| Version checked | Not publicly stated |
| Attributes checked | 2026-09-06 |
| Source | https://www.milesight.com/iot/product/lorawan-sensor/vs373 |
Any row above reading “Not publicly stated” means we looked on the vendor’s own pages and did not find it stated. It is not a “no”, and nothing here is inferred.
Attributes
| Attribute | Value | Source | Checked |
|---|---|---|---|
| Sensor type | 4D 60 GHz mmWave radar, MIMO, 24 Tx / 22 Rx, 20 dBm max | milesight.com VS373 page | 2026-09-06 |
| Camera | No | milesight.com VS373 page | 2026-09-06 |
| Microphone | No | milesight.com VS373 page | 2026-09-06 |
| Wearable | No | milesight.com VS373 page | 2026-09-06 |
| Fall-detection claim | "High Fall Detection Accuracy of Up to 99%" | milesight.com VS373 page | 2026-09-06 |
| Hosting country | Not publicly stated | milesight.com VS373 page | 2026-09-06 |
| Canada availability | Not publicly stated | milesight.com VS373 page | 2026-09-06 |
| Pricing model | Not publicly stated | milesight.com VS373 page | 2026-09-06 |
What the company publishes
The VS373 is a component, not a service. Milesight sells sensors to system integrators and building operators; there is no app, no monitoring centre and no care plan attached. Whoever deploys it builds the alerting on top, usually through a LoRaWAN network server and their own platform. That makes it a plausible building block for a Canadian integrator and a poor fit for a family buying one device for a parent's apartment.
Two engineering details are worth noting. The 60 GHz band and the MIMO array are what let a ceiling sensor resolve a body's position in a room rather than merely sensing that something moved. And the published maximum transmit power of 20 dBm — 100 mW — is the kind of number a privacy- or safety-conscious buyer can actually check against national radio limits, which is more than most vendors in this category publish.
Treat "up to 99%" as marketing until a method exists. "Up to" is doing real work in that sentence. Without a stated test protocol, a defined fall type, a population and a false-alarm rate, the number is not comparable to anything else in this directory, and a 99% sensitivity with a high nuisance-alarm rate is a worse product on a night shift than a lower figure with few false alarms.
What we could not confirm
The product page names no Canadian distributor, no Canadian pricing, and no Innovation, Science and Economic Development Canada radio certification. Because a 60 GHz radio deployed in Canada needs to meet Canadian equipment standards, that is a question a buyer must resolve with the distributor rather than assume. Hosting country and price are likewise unpublished.
In the compare table the VS373 sits in the "Canadian availability not confirmed" group.
Frequently asked questions
Does the VS373 use a camera?
No. It is a 60 GHz radar sensor with no camera and no microphone.
How accurate is the fall detection?
Milesight claims "High Fall Detection Accuracy of Up to 99%". It publishes no test method, sample size or false-alarm rate to support that, so the figure cannot be compared with any other product.
Can I buy one in Canada?
Not publicly stated. Milesight sells through distributors and names none for Canada on the product page, and no Canadian radio certification is listed.
Where is the data stored?
Not publicly stated. The sensor can report into Milesight IoT Cloud, but no data residency region is published.
Where WalledCare fits
WalledCare, made by the publisher of this directory, is also a camera-free millimetre-wave radar room sensor, but it is a finished product rather than a component, and it makes a narrower claim. It reports presence, movement, prolonged stillness and prolonged inactivity, room by room. It does not detect falls, does not measure breathing, and is not a medical device. Where the VS373 claims to name the event, WalledCare reports what the room looks like over time and leaves the conclusion to a person.
Sources
- Milesight, VS373 product page, milesight.com/iot/product/lorawan-sensor/vs373 — radar specification, transmit power, accuracy claim, connectivity, absence of pricing and Canadian availability. Checked 2026-09-06.