MG3-2023BT4D01 (Bluetooth Dongle)

4.0 Dongle（BT4D01 ) 1. Description Pro ductType: BT4D01 Thisdocumentationdescribesthe engineeringrequirementsspecificationof BCM20705BT Module. Thismoduleis designedwithStandardUSB 2.0interface. 2. Characteristics 2.1Features: --Bluetoothcompliant. --ProgrammableoutputpowercontrolmeetsClass1,Class2,orClass3requirements. --Usesupplyvoltagesup to 5 V. --SupportsBroadcomSmartAudio TM ,wide-bandspeech,SBCcodec,andpacketloseconcealment. --Ultra-lowpowerconsumption. --ARMTDMI-S TM -basedmicroprocessorwithintegratedROMandRAM. --SupportsmobileandPC applicationswithoutexternalmemory. 2.2Block： User Manual Bluetooth FCC ID:MG3-2023 4.0 3.1Technical 1）（Supplyvoltage):DC5V（StandardUSB2.0）. 2）Receivecurrent(1Mbps):31mA（Averagecurrent). 3) Transmitcurrent(1Mbps):44mA（Averagecurrent). 4）Receivecurrent(EDR):32mA（Averagecurrent). 5) Transmitcurrent(EDR):41mA（Averagecurrent). 6)（Frequencyrange):2402~2480MHz 7)Space: 1MHz /2MHz 8)Channel: 79（0~78） 9)（Sensitivity):≤-80dBm . 10) 11） （CarrierFrequencyStablility）：±24kHz. 12) （RF inputimpedance):50 ohm. （BasebandcrystalOSC):20MHz. 3.2Environment 1）(Operationtemperaturerange):-10°C~50°C 2)（Storagetemperaturerange):-20°C~+60°C 4.1Si e z 4.2Photos TopBottom 5. BT4D01 5.1 CON BT4D01UseUSB2.0 5.2Definition PIN
NO.PinDescription 1+5VUSB5V 2Data-USBD－ 3Data+USBD + 4GNDGround NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

Oct.15, 2014 Federal Communication Commission Authorization and Evaluation Division FCC ID: MG3-2023 Re: Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the applicant hereby requests confidential treatment of information applied this application as outlined below: 1: Block Diagram 2: Circuit Diagram 3: Parts List 4.Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rules 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Universal Electronics Inc Contact person: Jesse Mendez Title: Sr. Electrical Core Engineer

External Photos TOP VIEW OF EUT BOTTOM VIEW OF EUT FRONT VIEW OF EUT BACK VIEW OF EUT LEFT VIEW OF EUT RIGHT VIEW OF EUT

FCC ID Label Location Label 1: Label 2: FCC ID: MG3-2023 Model name:BT4D01 Universal Electronics Inc

Internal Photos OPEN VIEW OF EUT-1 OPEN VIEW OF EUT-2 INTERNAL VIEW OF EUT-1 INTERNAL VIEW OF EUT-2 Antenna

Page 1 of 48 FCC Test Report Report No.: AGC00918141001FE08 FCC ID : MG3‐2023 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : BT4D01 BRAND NAME : N/A MODEL NAME : BT4D01 CLIENT : Universal Electronics Inc. DATE OF ISSUE : Oct.14,2014 STANDARD(S) : FCC Part 15 Rules REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd CAUTION: This report shall not be reproduced except in full without the written permission of the test laboratory and shall not be quoted out of context. Report No.: AGC00918141001FE08 Page 2 of 48 Report Revise Record Report Version Revise Time Issued Date Valid VersionNotes V1.0 / Oct.14,2014 Valid Original Report Report No.: AGC00918141001FE08 Page 3 of 48 TABLE OF CONTENTS 1. VERIFICATION OF COMPLIANCE......................................................................................................... 5 2.GENERAL INFORMATION ...................................................................................................................... 6 2.1PRODUCT DESCRIPTION ............................................................................................................... 6 2.2 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................. 6 2.3TEST METHODOLOGY .................................................................................................................... 6 2.4 TEST FACILITY ................................................................................................................................ 6 2.5 SPECIAL ACCESSORIES ................................................................................................................ 6 2.6 EQUIPMENT MODIFICATIONS ....................................................................................................... 6 2.7 MEASUREMENT UNCERTAINTY ................................................................................................... 7 3. SYSTEM TEST CONFIGURATION ......................................................................................................... 8 3.1 CONFIGURATION OF TESTED SYSTEM ....................................................................................... 8 3.2 EQUIPMENT USED IN TESTED SYSTEM ...................................................................................... 8 3.3. SUMMARY OF TEST RESULTS ..................................................................................................... 8 4. DESCRIPTION OF TEST MODES .......................................................................................................... 9 5. ANTENNA REQUIREMENT .................................................................................................................... 9 5.1. STANDARD APPLICABLE .............................................................................................................. 9 5.2. TEST RESULT ................................................................................................................................ 9 6. TEST FACILITY ..................................................................................................................................... 10 7. RADIATED EMISSION .......................................................................................................................... 11 7.1 MEASUREMENT PROCEDURE .................................................................................................... 11 7.2 TEST SETUP .................................................................................................................................. 12 7.3 LIMITS AND MEASUREMENT RESULT ........................................................................................ 13 7.4 TEST RESULT (WORST MODULATION: GFSK) ................................................................................ 13 8. BAND EDGE EMISSION ....................................................................................................................... 26 8.1. MEASUREMENT PROCEDURE ................................................................................................... 26 8.2. TEST SET-UP ............................................................................................................................... 26 8.3. TEST RESULT .............................................................................................................................. 27 9. 6DB BANDWIDTH ................................................................................................................................ 31 9.1. TEST PROCEDURE ...................................................................................................................... 31 9.2. SUMMARY OF TEST RESULTS/PLOTS ...................................................................................... 31 10. CONDUCTED OUTPUT POWER ....................................................................................................... 33 10.1. MEASUREMENT PROCEDURE ................................................................................................. 33 10.2. TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ........................................................ 33 10.3. LIMITS AND MEASUREMENT RESULT ..................................................................................... 34 11. MAXIMUM CONDUCTED OUTPUT POWER SPECTRAL DENSITY ................................................ 36 11.1 MEASUREMENT PROCEDURE .................................................................................................. 36 Report No.: AGC00918141001FE08 Page 4 of 48 11.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ......................................................... 36 11.3 LIMITS AND MEASUREMENT RESULT ...................................................................................... 36 12. FCC LINE CONDUCTED EMISSION TEST ..........................................................................…

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APPENDIX IV PHOTOGRAPHS OF TEST SETUP FCC LINE CONDUCTED EMISSION TEST SETUP FCC RADIATED EMISSION TEST SETUP