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2.4GHz Active Bluetooth Access Control Key Chain

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2.45Rantai Kunci Aktif GHz, 2.45Tag Elektronik Aktif GHz, 2.4Kad Jarak Kawalan Akses Bluetooth Aktif GHz 200M Boleh Laras

2.45Rantai Kunci Aktif GHz, 2.45Tag Elektronik Aktif GHz, 2.4Kad Jarak Kawalan Akses Bluetooth Aktif GHz 200M Boleh Laras

Parameter teknikal utama Kekerapan operasi: 2.4GHz~2.483GHz Antenna: PCB unipolar antenna Output power: -18dBm~0dBm Receiver sensitivity: -90dBm Operating current: < 18uA Recognition distance: 20~200m (depending on the antenna) Baca / masa menulis: 500ms Erase life: 10 years Battery: 3.0V battery, 2 years life (battery replaceable) Power alarm: low battery alarm function Operating temperature: -20°C~+60°C Material: ABS, V0 fire rating Button: It has a

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