Lange Akkulaufzeit IP68 wasserdicht staub dicht stoßfest Bluetooth 5.0 Nachricht Push Bluetooth Beacon
Armband persönliches Armband ble Smart Notfall SOS-Taste Anti Lost Finder Bluetooth Beacon Tracker Gerät
Programmier bares Modul ZigBee Iot Hersteller ibeacon Bluetooth nRF52810 Low Energy Bluetooth Beacon
Hohe Qualität Großhandel Custom Günstige proximity marketing ble 4,0/5,0 leuchtfeuer empfänger nrf52832 ble werbung leuchtfeuer
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