Main technical parametersCarrier frequency: 2.4GOperating frequency: 2400MHz~2500MHzAntenna: PCB unipolar antennaOutput power: -18dBm~7dBmReceiver sensitivity: -90dBmIdentification distance radius: 50~ 100m (Nyob ntawm tus kav hlau txais xov)Nyeem / Sau Sijhawm: 1msErase life: 100,000 timesWorking current: <5uABattery life: 3.0V roj teeb, 12 monthsPower alarm: low battery alarm functionFunction: Kauj ruam suav, expandable temperature measurement functionMaterial: Tpu, PEOperating temperature: -20° C ~ + 60 ° C, Kev Ntsuas Hluav Taws Xob Dav Hlau tuaj yeem tsim kho raws li cov neeg siv xav tau, working range …