Ezurio 453-00021C 蓝牙模块，BL654 PA，外置天线（切割带）

Class: Class 2

Data Rate: 2 Mb/s

Frequency: 2.4 GHz

Unit Weight: 1 g

Output Power: 18 dBm

Interface Type: GPIO, I2C, SPI, UART, USB

Moisture Sensitive: Yes

Receiver Sensitivity: - 107 dBm

Supply Voltage - Max: 5.5 V

Supply Voltage - Min: 3 V

Antenna Connector Type: External

Operating Supply Voltage: 3 V to 5.5 V

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C

Protocol - Bluetooth, BLE - 802.15.1: Bluetooth 5.0