There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network-enabled ...
The above quote from Yogi Berra (describes back-to-back homeruns made by Roger Maris and Mickey Mantle) and seems appropriate given the 2013 edition of NFPA 72 The National Fire alarm and Signaling ...
Greg Kessinger is SD&I’s fire alarm and codes expert and a regular contributor. Email him your fire & life safety questions at [email protected]. Q. Are there still more blank chapters in NFPA 72, the ...
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