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# Various SUB files I've found or created. Some tested, some not.
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Special thanks to [FalsePhilosopher ](https://github.com/FalsePhilosopher ) for organization help and everyone else that shares files!
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## How are the raw SUB files are formatted? (Adapted from a chat with Olivi55!)
This is a very quick and dirty explanation of the Flipper "raw" SUB format. Enough to figure out more at least.< br >
Each numerical value is the duration of a pulse in microseconds. Positive is `1` and negative is `0` .< br >
Example: `3607 -100 1789 -66` means 1 (positive) during the `3607µs` then 0 (negative) during the `100µs` , etc.
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## NOTE: The deBruijn and OpenSesame files have moved to the [Garages subfolder](https://github.com/UberGuidoZ/Flipper/tree/main/Sub-GHz/Garages/deBruijn).
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You can generate MANY of your own SUBs, such as MegaCode and Firefly, over at [Flipper Maker ](https://flippermaker.github.io/ ).
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Looking to mess with garage doors? You can try the OpenSesame/deBruijn files above.< br >
(Also check out more info at [RemoteDup ](https://www.ifoedit.com/RemoteDup.html ), [GarageHack ](https://www.ifoedit.com/garagehack.html ), and [Learn Button coding ](https://support.dealer.liftmaster.com/articles/Knowledge/Determine-the-Color-of-the-Learn-Button-on-Your-Garage-Door-Opener ).
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# Frequency limitations and caveats
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)
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Official does not allow anything outside of the officially supported CC1101 specs.< br >
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RogueMaster & CodeGrabber (Unleashed) allows unofficially supported frequencies with the `extend_range` and `dangerous_settings` files.
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**NOTE: Going outside the officially 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. [Proceed with caution. ](https://github.com/UberGuidoZ/Flipper/blob/main/Sub-GHz/Restaurant_Pagers/SubGHz_changes.md )
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`Allowed to transmit (MHz):` < br >
`R01: 433.05-434.79; 868.15-868.55` < br >
`R02: 304.10-321.95; 433.05-434.79; 915.00-928.00` < br >
`R03: 312.00-315.25; 920.50-923.50` < br >
`Shipped to:` < br >
`R01: EU, UK, RU, UA, BY, BA, PF, VA, IS, KZ, LI, MD, MK, NO, RS, CH, TR` < br >
`R02: US, CA, AU, NZ, MX, BR, CL, AR, UM` < br >
`R03: rest of the world`
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# Modulation (AM/FM)
AM650 and FM650 modulation tries to cover more range of frequencies at the cost of less pickup distance.< br >
AM270 and FM270 modulation offer a more narrow range, but have a cleaner pickup and slightly better distance.
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[Official documentation is an excellent read! ](https://docs.flipperzero.one/sub-ghz/modulation )
