Quick Guide
FIRST LINE OF DEFENSE
Security starts at the perimeter, or the ‘A Zone’, and 
OPTEX has built its reputation on a proven first line of 
defense. Our point-to-point photoelectric detection 
solutions give you full protection, creating a virtual 
trip wire at the perimeter. With multiple options 
and features for all threat levels, including battery-
powered beams that require no trenching or wiring and 
tower enclosures for stacking and hiding beam height 
and location, OPTEX provides you with flexibility and 
choice based on your perimeter security needs.
PHOTOBEAM PART NUMBER GUIDE
SL-200TNR
AX-200TFR
SL-200QDP
SL-350QFRi
SL-650QDM
PHOTOELECTRIC BEAM DETECTORS
Active Infrared
Twin
Beam
Quad Beam
Single channel frequency
Four channel frequency
Detection range in feet
Detection range in feet
Slimline design Dual modulation
Ready for wireless, 
battery-powered 
(Batteries included, 
accepts most 
manufacturers’ 
wireless 
transmitters) 
iSeries wireless, 
battery-powered 
(Inovonics 
EN1941 
transmitter 
& batteries 
included)
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