# otExtAddress Struct Reference

# otExtAddress


`#include <openthread/platform/radio.h>`

Represents the IEEE 802.15.4 Extended Address.

## Summary

| ### Public attributes ||
|---|---|
| `https://openthread.io/reference/struct/ot-ext-address#structot_ext_address_1ae23cba46fa92757763c1c69cc2217c6b[8]` | `uint8_t` IEEE 802.15.4 Extended Address bytes. |

## Public attributes

### m8

```
uint8_t otExtAddress::m8[8]
```
IEEE 802.15.4 Extended Address bytes.

## Resources

OpenThread API Reference topics originate from the source code, available
on [GitHub](https://github.com/openthread/openthread/tree/main/include/openthread).
For more information, or to contribute to our documentation, refer to
[Resources](https://openthread.io/resources).