Main technical parametersCarrier frequency: 2.4GOperating frequency: 2400MHz~2500MHzAntenna: PCB unipolar antennaOutput power: -18dBm~7dBmReceiver sensitivity: -90dBmIdentification distance radius: 50~100m (dependendo da antena)Leia tempo / gravação: 1msErase life: 100,000 timesWorking current: <5uABattery life: 3.0Bateria V, 12 monthsPower alarm: low battery alarm functionFunction: Contagem de passos, expandable temperature measurement functionMaterial: TPU, PEOperating temperature: -20° C ~ 60 ° C, bateria de ampla temperatura pode ser personalizada de acordo com as necessidades do usuário, working range …