Silent Knight SD505-APS Photoelectric Smoke Detector - USED ATT 10/11 TX3 cards and tags are

TX3 cards and tags are passive devices

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Silent Knight SD505-APS Photoelectric Smoke Detector - USED ATT 10/11 TX3 cards and tags areNOTE: This part is discontinued by the manufacturer. Replace with: Silent Knight SD505 PHOTO Addressable Photoelectric Smoke Detector. Silent Knight SD505 APS is a photoelectric smoke detector. has an LED light source and silicon photo diode receiving element. Compatible with: IFP 1000 Intelligent Fire Panel IFP 100 Intelligent Fire Panel IFP 50 Intelligent Fire Panel