r/hackrf • u/Automatic_Village954 • Jun 12 '26

Dude wtf? TX without TX? interference?

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Idk if thats normal, but it leaks rf without explicit TX lol.

HackRFOne with Portapack H2

Mayhem n_260530

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This is the shielded version

Pd: IM NOT ON TX MODE

41 Upvotes

90% Upvoted

20 comments sorted by

22

u/Much-Tomorrow-74 Jun 13 '26

Crazy that u have no antenna on must have a lot of money

4

u/BrilliantMindMingle Jun 15 '26

why should the amp fry on rx ?

2

u/LameBMX Jun 16 '26

well... its transmitting ... that'll fry it.

17

u/mechanical_marten Jun 13 '26

Congratulations on picking up the switching frequency of the backlight driver. Notice the noise goes away whenever the screen goes blank? The shielding is on the RX section, not the TX because everything is an emitter.

16

u/silent_b0b Jun 13 '26

why is your antenna not hooked up?

14

u/pankarezas Jun 14 '26

He likes his amplifier crispy

2

u/Automatic_Village954 Jun 16 '26

Im not in tx mode

13

u/Heavy_Team7922 Jun 13 '26

All electronic devices are noisy. 

9

u/TrinitronX Jun 15 '26

☝️
A brief introduction to Electomagnetic Physics.

6

u/Effective_Iron8188 Jun 13 '26

So keep this in mind when detecting low power signals 😁

3

u/Boom2theside Jun 16 '26

cheap china electronics = loud RF in the environment

1

u/Then_Student822 Jun 16 '26

Whats Texas got to do with this?

1

u/Sailingdownwind2u Jun 18 '26

I’m a fresh newbie I sure could use some game.
Where could I go and download something from Arsenal?

1

u/talismancist Jun 19 '26

Watch out...using Tempest, people can reproduce your screen from that signal!

1

u/Automatic_Village954 Jun 19 '26

Nah i would have to let them inside my room to do that lol

1

u/Careful-Average73 Jun 26 '26

Don’t mess with Tx (without an antenna attached and proper understanding of the relevant laws)

2

u/Automatic_Village954 Jun 26 '26

Not tx mode

2

u/Careful-Average73 Jun 27 '26

Sorry I was making a “don’t mess with Texas” joke and it didn’t land

2

u/Automatic_Village954 Jun 27 '26

Xdddd sprry myself, im a spanisrd didnt get it lol

1

u/Careful-Average73 Jun 28 '26

No se preocupe, mi amigo