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Pir Wireless 433 Popular Q&A

Q: Model 6312026 Nexxtech 433MHz wireless thermometer will not conne...
A: When on channel one,hook up an oscilloscope to the channel output circuit on the output terminals.First read channel 1,then channel 2,then channel 3.You can lea... Read More »

Q: Using a wireless system with a carrier frequency of 433mhz, how s...
A: For a double sideband full carrier AM system then it's 2*Fm (Fm is the modulation frequency) i.e. 1500Hz*2 or 3KHz. For an FM system then you use Carson's rule.... Read More »

Q: Can a PIR light trigger wireless doorbell?
A: Is it just once or twice night and always at the same time(s) give or take a few minutes ? If the answer is yes then suspect a dip in the mains supply voltage w... Read More »

Q: Yale wireless alarm pet pir problem?
A: put them in the bin. Dont bother, with pet PIRs. The idea is they look "flat" as opposed to "down" but sooner or later you pet will jump up into view of the PIR... Read More »

Q: Will ANY wireless pir detector work with any wireless security sy...
A: You need one at least compatible, because they can use different RF frequencies, coding, and encryption. Read More »