# RTL8722DM在ARDUINO环境下是否支持254 字节的扩展广播

**URL:** <https://forum.amebaiot.com/t/rtl8722dm-arduino-254/5209>\
**Category:** BT\
**Tags:** rtl872xd\
**Created:** [October 30, 2026, 10:10am UTC](https://forum.amebaiot.com/t/rtl8722dm-arduino-254/5209 "2026-10-30T10:10:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![oxygenben](https://avatars.discourse-cdn.com/v4/letter/o/4bbf92/32.png) [@oxygenben](https://forum.amebaiot.com/u/oxygenben)\
**Post date:** [October 30, 2026, 10:10am UTC](https://forum.amebaiot.com/t/rtl8722dm-arduino-254/5209/1 "2026-10-30T10:10:20Z")

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RTL8722DM在ARDUINO环境下是否支持254字节的扩展广播，如果支持，如何使用，有没有可供参考的demo？如果ARDUINO环境下不支持，Standard SDK是否支持？