# 433 failing

**URL:** <https://community.homey.app/t/433-failing/77179>\
**Category:** Questions & Help\
**Tags:** rf-433, homey-pro\
**Created:** [March 5, 2023, 4:08pm UTC](https://community.homey.app/t/433-failing/77179 "2023-03-05T16:08:49Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Dijker](https://avatars.discourse-cdn.com/v4/letter/d/b9bd4f/32.png) [@Dijker](https://community.homey.app/u/Dijker)\
**Post date:** [March 5, 2023, 4:19pm UTC](https://community.homey.app/t/433-failing/77179/2 "2023-03-05T16:19:19Z")

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> [@RF (433mhz) not working?](https://community.homey.app/t/rf-433mhz-not-working/51022/2):
>
> PtP on Homey for a couple of minutes. And try removing the batterys from all battery powered RF sensors devices. Sometimes these start jamming the RF frequency if the voltage drops blocking the signals. Then investigate if neighbors use a RF babyfoon or other transmitter device.

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