"singly".
As noted, Genghis used many PIRs, but fewer will probably work. Wide-beams for
detection, narrow-beams for tracking. That solves one problem, but will have
other issues if used in a crowded location.
Moderator edit: quote tag corrected
"singly".
As noted, Genghis used many PIRs, but fewer will probably work. Wide-beams for
detection, narrow-beams for tracking. That solves one problem, but will have
other issues if used in a crowded location.
Moderator edit: quote tag corrected