Motorola MC40 - Bluetooth Profiles; Bluetooth Power States; Bluetooth Radio Power

MC40UserGuide
devicesisbased-uponachallenge-responsetransaction.BluetoothallowsforaPINorpasskeyusedtocreateother
128-bitkeysusedforsecurityandencryption.Theencryptionkeyisderivedfromthelinkkeyusedtoauthenticate
thepairingdevices.AlsoworthyofnoteisthelimitedrangeandfastfrequencyhoppingoftheBluetoothradiosthat
makeslong-distanceeavesdroppingdifcult.
Recommendationsare:
•Performpairinginasecureenvironment
•KeepPINcodesprivateanddonotstorethePINcodesinthedevice
•Implementapplication-levelsecurity.
5.3BluetoothProles
TheMC40supportsthefollowingBluetoothservices:
•GenericAccessProle(GAP)-Usefordevicediscoveryandauthentication.
•ServiceDiscoveryProtocol(SDP)-Handlesthesearchforknownandspecicservicesaswellasgeneralservices.
•SerialPortProle(SPP)-SetsupavirtualserialportandconnectstwoBluetoothenableddevices.Forexample,
connectingtheMC40toaprinter.
•HumanInterfaceDeviceProle(HID)-AllowsBluetoothkeyboards,pointingdevices,gamingdevicesand
remotemonitoringdevicestoconnecttotheMC40.
•ObjectPushProle(OPP)-AllowstheMC40topushandpullobjectstoandfromapushserver.
•Dial-upNetworking(DUN)-AllowstheMC40toaccesstheInternetandotherdial-upservicesusingaBluetooth
enabledmobilephone.
•HeadsetProle(HSP)-AllowsaBluetoothheadsettocommunicatewiththeMC40.
•AdvancedAudioDistributionProle(A2DP)-AllowstheMC40tostreamstereo-qualityaudiotoawireless
headsetorwirelessstereospeakers.
•Audio/VideoRemoteControlProle(A VRCP)-AllowstheMC40tocontroltelevisions,hi-equipment,etc.
5.4BluetoothPowerStates
TheBluetoothradioisoffbydefault.
•Suspend—WhentheMC40goesintosuspendmode,theBluetoothradioturnsoff.
•Resume—WhentheMC40resumes,Bluetoothturnsonifitwasonpriortosuspend.
•AirplaneMode—WhentheMC40isplacedinAirplaneMode,theBluetoothradioturnsoff.WheninAirplane
Mode,theBluetoothradiocanbeturnedbackonifdesired.
5.5BluetoothRadioPower
TurnofftheBluetoothradiotosavepowerorifenteringanareawithradiorestrictions(e.g.,anairplane).When
theradioisoff,otherBluetoothdevicescannotseeorconnecttothedevice.TurnontheBluetoothradioto
exchangeinformationwithotherBluetoothdevices(withinrange).CommunicateonlywithBluetoothradios
incloseproximity.
5-2
MN000111A01-August2013