7 ms·
> The weak part of all these systems is the constant GSM heartbeat, but even that is beatable. Curious: how do you beat that? Do you listen to other signals an
by amenod 9y ago
> The weak part of all these systems is the constant GSM heartbeat, but even that is beatable.
Curious: how do you beat that? Do you listen to other signals and try to transmit at the same time (if you must)?
- Hasz 9y agoYou can broadcast on a timer, you can switch to a low frequency, low bandwidth transmitter, you can store locally and pick up the device later, etc. It all depends on the environment.
- jjoonathan 9y agoOr burst mode. That's been the speculated reasoning I've heard behind the USA's onerous POI restrictions on exported RTSAs.
- Hasz 9y agoThat's probably the better option. I found an article about the export restrictions here. https://signalhound.com/news/how-we-implemexport-controls/ https://signalhound.com/news/how-we-implemexport-controls/ seems like it has to do with the fact it's guaranteed to intercept a signal all the way down to 1.2 uS