Fanstel EV-BT40 蓝牙开发工具 nRF5340 评估板，建议使用 Nordic nRF53 DK 进行此评估板的编程。

Frequency: 2.4 GHz

Dimensions: 14 mm x 16 mm x 1.9 mm

Interface Type: QSPI, SPI, I2C, UART

Operating Supply Voltage: 1.7 V to 5.5 V

Maximum Operating Temperature: + 105 C

Minimum Operating Temperature: - 40 C

Protocol - Bluetooth, BLE - 802.15.1: Bluetooth, BLE