Interface: Communication Prolocol Communicate with host platform via Bluetooth(class2) serial; port profile Bluetooth communication distance 10M.TYP GPS protocol Dfault:NMEA-0183(v3.01)-GGA(1),GSA,GSV,RMC(1), VTG(1),Band rate 9600 bps,Data bit:1(Default)*
Accessoirues:Car changer(12-24V in,5V output), AC adaptor(5V output,300ma), Travel changer(100-24V in,5V output) AC adaptor (5V output,300ma)
memo
A Bluetooth headset is a wireless headset. It implements Bluetooth technology to provide 2.45GHz-radio wireless connectivity for audio communication. The core subsystems include:
RF Front-End - includes RF filter, balun (line matching), and RF transceiver (Modulator/Demodulator/ADC/DAC). The RF front-end provides the wireless link through the antenna.
Baseband DSP/Microcontroller/Memory - the DSP processes physical layer protocols and audio data. The microcontroller runs the Bluetooth software stack stored in memory and controls the RF/host interfaces. The Bluetooth software and data are stored in ROM/RAM. Upgraded firmware may be loaded from FLASH memory.
Audio Codec - connected to microphone and earpiece to perform analog/digital conversions and bit stream coding/decoding to create audio radio.
Host Interface/Volume Control - host or user can use this serial interface to configure the processor, codec, or changes the volume.
Power Conversion - converts input battery power to run various functional blocks.
Battery Management - charges the battery using wall or USB voltage.
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