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# Adding additional frequencies (TX/RX)
2022-07-06 05:49:28 +00:00
Some changes I made to the available frequency settings (including unlocking them all). The file is found here:
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Officially supported frequencies: 300-348 MHz, 387-464 MHz, and 779-928 MHz (from [CC1101 chip docs ](https://www.ti.com/product/CC1101 ))< br >
Unofficially supported frequencies: 281-361 MHz, 378-481 MHz, and 749-962 MHz (from [YARD Stick One ](https://greatscottgadgets.com/yardstickone/ ) CC1111 docs)
2022-07-27 06:05:51 +00:00
Official & Unleashed currently do not allow anything outside of the officially supported CC1101 specs.< br >
2022-07-27 06:05:40 +00:00
RogueMaster allows unofficially supported frequencies with the `extend_range` file.
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**NOTE: Going outside the supported frequencies may DAMAGE YOUR FLIPPER AMP.< br >
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Please understand what you're doing if trying to break out of official frequencies.**
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You'll need to edit some code and recompile if you want to break outside of the officially supported frequencies. ([Hint here...](https://github.com/flipperdevices/flipperzero-firmware/pull/1287/files))
# CAUTION within 402-408 range!<br>Medical devices can operate here.
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This range is purposefully not included in my file above.
