Intrusion
Fire Security Supply offers professional intercom systems and components from trusted manufacturers like Telecor, Aiphone, and 2N. Our overstock and close-out inventory includes stations, master units, call modules, and accessories engineered for reliable communication in commercial, educational, and institutional settings. Designed for seamless integration with access control and security systems, these products deliver clear audio, durable performance, and professional-grade quality — all available in limited supply at closeout pricing.
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Interlogix NX-650N Wireless Door/Window Sensor
Interlogix
Original price
$49.99
-
Original price
$49.99
Original price
$49.99
$49.99
-
$49.99
Current price
$49.99
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Low stock
Interlogix NX-650N Wireless Door/Window Sensor, White
Original price
$49.99
-
Original price
$49.99
Original price
$49.99
$49.99
-
$49.99
Current price
$49.99
| /
Save $0.00
Save $0.00
Bosch ISN-CSM20-WGW Commercial Contact (Surface Mount Contact + Magnet)
Interlogix
Original price
$83.60
-
Original price
$83.60
Original price
$83.60
$83.60
-
$83.60
Current price
$83.60
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In stock
Bosch ISN-CSM20-WGW Commercial Surface-Mount Magnetic Contact with Magnet
Original price
$83.60
-
Original price
$83.60
Original price
$83.60
$83.60
-
$83.60
Current price
$83.60
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Save $0.00
Save $0.00
DSC TL250 Internet/Network Alarm Communicator / IP Module
DSC
Original price
$115.00
-
Original price
$115.00
Original price
$115.00
$115.00
-
$115.00
Current price
$115.00
| /
In stock
DSC TL250 Internet/Network Alarm Communicator and IP Module
Original price
$115.00
-
Original price
$115.00
Original price
$115.00
$115.00
-
$115.00
Current price
$115.00
| /
Save $0.00
Save $0.00
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