Abstract This paper presented the implementation of Bluetooth low energy (BLE) devices implanted on 7 small wooden boats. The BLE implantation is aimed at boat identification and certification. We use four parameters to measure the performance of BLE signal strength. e. https://www.roneverhart.com/HP-15-fc0093dx-15-6-FHD-Laptop-AMD-Ryzen-5-7520U-2-8-GHz-AMD-Radeon-16GB-LPDDR5-256GB-SSD-Windows-11-Home-S-8F1A6UA/