BTU-2.5 Bluetooth/USB/AAC/MP3 Adapter

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Specifications: BTU-2.5


Package Contents:            BTU-2.5 module

                                            Clip-on hands free microphone

                                            Internal microphone

                                            USB micro-B to A cable

                                            8GB USB FLASH Drive

                                            Mounting hardware

                                            RGB front panel status LED (Bundle version)

                                            Optional Pushbutton with status LED



Bluetooth transceiver:*

Frequency Band:                 2.40 - 2.48 GHz

Standard:                             Bluetooth 4.1, Class 2

Profiles:                               HFP 1.6, A2DP 1.2, AVRCP 1.2

Sensitivity :                          -90dBm @ 0.1% BER

TX Power:                           4dBm



USB Interface:*

SDP/CDP/DCP:                   USB 2.0 (1.0 and 1.1 compatible)

Max charging current:          2A

Connector:                           Standard USB A Female


File System:

Supported Formats:             FAT12, FAT16, FAT32; MBR Primary partition only

Maximum Hierarchal:           2

Levels:

Maximum Root Folders:       250

Total SubFolders:                 2000

Maximum Files/Folder:         250

Total Files:                            65,534


AAC Decoder:

Supported Layers:                MPEG2-AAC-LC-2.0.0.0

                                             MPEG4-AAC-LC-2.0.0.0

File types supported:            .aac .m4a  (DRM protected .m4p files are not supported on USB)

Maximum Rate:                    48kHz / 320kb/s

Minimum Rate:                     8kHz / 8kb/s


MP3 Decoder:

Supported Layers:                MPEG1.0, MPEG2.0, MPEG2.5*  (Layer III)

File types supported:           .mp3

Maximum Rate:                    48kHz MPEG1.5 /320kb/s

                                             24kHz MPEG2.5 / 160kb/s

                                             12kHz MPEG2.5 / 160kb/s

Minimum Rate:                     32kHz MPEG1.0 / 32kb/s

                                             16kHz MPEG2.0 / 8kb/s

                                             8kHz MPEG2.5 / 8kb/s


Ogg Vorbis Decoder:

File types supported:            .ogg

Maximum Rate:                    48kHz / 320kb/s

Minimum Rate:                     8kHz / 8kb/s


FLAC Decoder:

File types supported:            .flac

Maximum Rate:                    48kHz / 1000kb/s

Minimum Rate:                     8kHz / 8kb/s



Auxiliary Output:

Output Level:                        -6dBV nominal level

                                             0dBV maximum without clipping

Audio Response:                  20Hz-20kHz  +/-3dB

Withstand Voltage:               +/- 24V max



Seek Output:

Output Impedance:              1K ohm typical

Voltage Swing:                     3.3V no load



General:

Dimensions:                         1.44”W X 1.50”D X 0.44”H

                                             (36.5mm X 38.1mm X 11.2mm)

Power Requirements:          8.0V to 18Vdc range

                                               ~15ma idle

                                               850ma maximum @ 14.4V (when charging @ 2A)

Humidity:                              10% - 90% non-condensing

Temperature:                        -25C to +65C ambient (-13F to +150F) Operating

                                              -40C to +125C ambient (-40F to +257F) Storage



At Aurora Design we are understandably proud to list

all our specs for your evaluation.

The design, features and quality of our products speak for themselves!


Designed and built in the USA


All specifications subject to change.

Bluetooth parameters characterized by component manufacturer

Actual performance dependent on installation.

MPEG2.5 is not a standard format