# bandwidthUnit

Density map: the unit of an explicit bandwidth — `data` (default) or `px`.

Canonical: https://chart.syidax.com/docs/options/bandwidthUnit/

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## Definition

| Item | Value |
| --- | --- |
| JavaScript property | `bandwidthUnit` |
| HTML attribute | `bandwidth-unit` |
| Type | `DensityMapBandwidthUnit` |
| Default | `undefined` |
| Allowed values | `data`, `px` |

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

- [DensityMapBandwidthUnit](https://chart.syidax.com/docs/types/DensityMapBandwidthUnit.md) — Type definition

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## Related documentation

A property with the same name may have different types and defaults across charts. When using a direct tag, follow that chart's documentation below.

- [Shared facade and direct tags](https://chart.syidax.com/docs/concepts.md)
- [sy-density-map](https://chart.syidax.com/docs/components/density-map.md#property-bandwidthUnit)