Bluetooth Low Energy ID Puck - 500m range - waterproof - 15 year battery

https://www.calculus.group/shop/ble-bi-id-puck-bluetooth-low-energy-id-puck-500m-range-waterproof-15-year-battery-499 https://www.calculus.group/web/image/product.template/499/image_1920?unique=a95e2bd

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