u-blox NORA-B121-00B 蓝牙模块 nRF5340，PA/LNA，天线引脚，开放式CPU

Core: Arm Cortex-M33

Interface Type: I2C, SPI, UART

Moisture Sensitive: Yes

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 1.7 V

Operating Supply Voltage: 1.7 V to 3.6 V

Maximum Operating Temperature: + 105 C

Minimum Operating Temperature: - 40 C