All Questions
6
questions
0
votes
1
answer
101
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Is there a (legal) wireless transmission solution for my underground parkade anti-theft alarm?
I live on the 4th floor of a low-rise condo building with a concrete parkade beneath. We have a serious problem with bicycle theft -- someone is coming in late at night with an angle grinder, and ...
- 3
1
vote
1
answer
122
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Wireless or wired solution for perimeter fence security?
We are currently working on a project where we would like to place around 350 vibration sensors on our university's perimeter fence for security. The field layout is almost 1km to 1km (square - 1km^2 -...
- 120
0
votes
2
answers
100
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Wireless security for repetitive messages?
I'm designing myself a custom home automation system. Eventually, I want to expand the system to include security/alarm. The easiest way I know to do this is to include wireless capabilities.
This ...
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14
votes
5
answers
9k
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Is it possible to jam wireless home alarm systems?
Sorry if this is the wrong community for this question but in my mind, it's the best fit. Please close or move to a more appropriate community if it's off topic.
The other day, several home alarm ...
- 306
2
votes
1
answer
404
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Is CDMA more secure than LTE or GSM?
I know that this question is very direct, but I was curious to know why is it that in defense applications, CDMA is preferred over LTE? Is CDMA more secure than LTE and hence more difficult to ...
1
vote
2
answers
8k
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Signal jammer vs scrambler [closed]
From what I understand, both of these things inhibit electronic devices from communicating with each other.
A scrambler does this by altering the signals sent out by the transmitter device in such a ...
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