IOGEAR GBU521 USB Bluetooth 4.0 Micro Adapter Bluetooth Standards: Bluetooth 4.0 Transfer rate: Up to 3.0Mbps Antenna: Integrated Antenna Range: 30ft (10m) Security: 128b AES and application layer user defined Transmission Power: 4 dBm(Class 2) Sensitivity: Radio Frequency: 2.402 GHz - 2.4835 GHz
