User's Manual

4. Photo of module
Positive Negative
5. Specifications
5.1 Physical characteristics
Operating Frequency Band 2.4GHz-2.48GHz unlicensed ISM band
Bluetooth Specification BT4.0(Bluetooth Low Energy)
Output Power Class Max. 4dBm
RX Sensitivity -90dBm
Operating Voltage 5V
Main Digital Interface UART
Other Interface IO
Dimension 31mm(L) x 20.5mm(W) x 3.5mm(H)