# Radio output power

**URL:** <https://community.homey.app/t/radio-output-power/20536>\
**Category:** Questions & Help\
**Created:** [November 10, 2019, 10:38pm UTC](https://community.homey.app/t/radio-output-power/20536 "2019-11-10T22:38:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Thomasx](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/thomasx/32/15341_2.png) [@Thomasx](https://community.homey.app/u/Thomasx)\
**Post date:** [November 10, 2019, 10:38pm UTC](https://community.homey.app/t/radio-output-power/20536/1 "2019-11-10T22:38:17Z")

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Hi

Whats the 433MHz output power of the Homey Athom?

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**Author:** ![robertklep](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/robertklep/32/160628_2.png) [@robertklep](https://community.homey.app/u/robertklep)\
**Post date:** [November 11, 2019, 7:23am UTC](https://community.homey.app/t/radio-output-power/20536/2 "2019-11-11T07:23:24Z")

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I’m going to take a guess and say that it’ll be 10dBm/10mW. The chip responsible for 433Mhz (TI CC1101) has a maximum output power of 12dBm, but (European?) regulations limit it to 10dBm.

If you want to know for sure, you’d has to ask Athom I think: [https://support.athom.com/hc/en-us/requests/new](https://support.athom.com/hc/en-us/requests/new)