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• 5.0Ver. 블루투스 모듈 Output power: +4dBm Single power supply: 1.8 – 3.6V Range: up to 60 meters in open space Chip: nRF52832 2.0 mm ARM Cortex-M4F processor Metal shielding with marking UART communication protocol (Slave / Master blog.naver.com · 2021.03.19