---
title: MTRRadonConcentrationMeasurementMeasurementUnit.NGM3
framework: matter
role: symbol
role_heading: Case
path: matter/mtrradonconcentrationmeasurementmeasurementunit/ngm3
---

# MTRRadonConcentrationMeasurementMeasurementUnit.NGM3

## Declaration

```swift
case NGM3
```