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Jammer Alarm

Secondary device protects alarm systems against deliberate interference

Jammer Alarm
Widely sold, keenly priced and easy to install: what’s not to like about wireless alarm systems? Just this: they are totally unprotected against any villain using a jamming transmitter. This project will warn you when criminals disable your security system!
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Extra info / Update
Jammer, Alarm, 433 MHz
Ease of construction
Entry level
Time required
2 hours approx.
Tools required
Soldering iron
€25 / £22 / $28 approx.
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