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Updated Replay (markdown)

Si 2022-02-27 15:55:21 +00:00
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Replay.md

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Please check https://www.youtube.com/watch?v=Pe30Jvyhmzk for a detailed tutorial.
This enables the replay of a previouly recorded files that has been recorded from a capture or generated to simulate the transmission.
The Key Items on the App that can be selected with the cursor and changed with the encoder knob are:
* **Title bar:** The usual Items may be changed and displayed.
* **Open file:** this allows you to select a file form the SD card folders to replay.
* **File Information:** is given next to the “Open file” button giving the file name, length and the speed. Transmission.
* **File progress bar:** To the righthand side of the “Open file” Button is the progress bar this show the progress of the file being transmitted
* **Frequency:** Which is the first item on the third line below the title bar. This brings up the normal frequency keypad.
* **Gain:** Next in the second line is the LNA (IF) (0-47) and Amp gain A: 0dB or 14dB.
* **Loop:** A tick box that selects that when the file reaches the end of the transmission that it will start the file again.
For OOK Transmissions, a [DeBruijn](https://en.wikipedia.org/wiki/De_Bruijn_sequence) attack can be used. This can be used on non-Cyclic code key system such as garage doors, gates and some old cars.
Two set of files have been prepared for the portapack in the link below. One is for binary and other for trinary for different key code lengths. Information can be found in the link. The files need to be place in a folder on the SD card but note the trinary ones are very large.
[DeBruijn files and information for PortPack.](https://github.com/HackingIntoYourHeart/HackRF-Portapack-DeBruijn)
A video tutorial on the general use of the App is shown here: https://www.youtube.com/watch?v=Pe30Jvyhmzk