soram wrote:I've done a few tests with various frequencies. At very close range I can knock out the 3GS. Close being about 3 feet. Sometimes it gets knocked out but seems to find a signal somewhere else that seems more difficult to hit.
It would be great if I knew what channel the phone was working on so I could correlate that with the jammer. Anybody experience with IOS and where to read the frequency? I can do a basic app myself to display it if I knew where to grab the channel info. If indeed that was possible!
Secondly, I reckon power is a problem. I am only getting 10dBm in the high frequency range and have to open up it quite big to hit both the 1800 and the 2100 bands. I can get 20dBm from the lower VCO. Might it be possible to get some serious gain for short period bursts? I have no RF experience so wouldn't know what to do here but would it be possible to build an add on that would give some more power? As it is it is a nice toy but with the limited range it is not as useful as I would like it to be.
TheFallen wrote:In fact without the sweeping sawtooth wave it would be impossible to get any output at all. However that is not the problem. He can jam, just not with to the desired distance. As for Lady Ada's thesis, it's definitely interesting reading, but doesn't focus on debugging a lack of range.
Excuse me being a bastard, but did you read this thread, or just the title, before commenting in it?
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