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915mhz sans fil, détecteur de fumée intelligent, WL-SD-500, ···
915mhz sans fil, détec···
2026-08-22
915mhz wireless — Wanlin Fire, Chinese smart smoke detector manufacturer and exporter by Wanlin Fire Technology. WL-SD-500 photoelectric smart smoke detector with 4G LTE and NB-IoT dual-mode connectivity, 10-year sealed lithium battery, 85dB sounder, app/SMS/push alerts, remote cloud monitoring. EN 14604, EN 54-7, UL 217, CE, RoHS certified. MOQ from 100 uni···
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Réduction de la fausse alarme, Point d'appel intelligent man···
Réduction de la fausse···
2026-07-30
false alarm reduction direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP400 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: Addressable Manual Call Point + Sounder Strobe + 4G LTE Cat.1 + Addressable Loop + LED Indicator, Addressable Loop + 4G LTE Cat.1 Backup + Cloud Platform + SMS/Push/Email + Relay Output. Ph···