public void SetDeviceClass(uint deviceClass)
{
var data = new byte[3];
data[0] = (byte)(deviceClass & 0xFF);
data[1] = (byte)((deviceClass >> 8) & 0xFF);
data[2] = (byte)((deviceClass >> 16) & 0xFF);
var opcode = new Opcode(OpcodeGroupField.HCBaseband, OpcodeCommandField.WriteDeviceClass);
_SendHCICommand(opcode, data);
}