Y4QYD-66BVEXO Bluetooth Exciter

Features Acoustic Motor Technology-Giant Magnetostrictive Material drive Rechargeable lithium Battery USB/3.5mm Stereo jack Combo connectivity Optimal Acoustic Surfaces-semi-rigid materials such as wood, glass, drywall, metal, etc. Sound is emitted from the entire surface, creating a high performance user interaction environment Benefits: The EXO Xciter Bluetooth provides for multiple applications including conference calls, presentations, video game experience enhancement and music sharing. The EXO Xciter Bluetooth will sync with Bluetooth enabled devices such as smartphones, eReaders, gaming consoles and projectors via our USB mini or 3.5mm Stereo Jack Combo Cable. Simply connect to the EXO Xciter and share the experience. Bluetooth Connectivity Bluetooth Compliance: Compliant with Bluetooth V2.1+EDR Supported Bluetooth Profiles: HSP/HPF, SPP, OPP, PBAP, A2DP and AVRCP Operating Range: 10 meters (Class 2, Bluetooth standard) RF Channels: 79 RF Frequency: 2400 to 2483MHz Others: Music Playing Time: 4 to 5 hours (high volume level) More than 8 hours (medium volume level) Playback high quality stereo audio (A2DP Profile) Play /pause/Volume up/volume down (AVRCP Profile) Bluetooth red/blue/white Indicators Battery charging red/green/orange indicator Accessories: USB/3.5mm Stereo jack Combo Dimensions: Φ66×32mm Weight: 260g (USB/3.5 Stereo Jack Combo) (EXO Xciter Bluetooth) changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: RF warning statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. 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. FCC ID: Y4QYD-66BV 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.

HangZhou YD Technology Co., Ltd Date: December 15, 2010 To: Federal Communications Commission 7435 Oakland Mills Road Columbia,MD FCC ID: Y4QYD-66BV To Whom It May Concern: This letter is to ascertain that HangZhou YD Technology Co., Ltd Product: EXO Bluetooth Exciter has been the units used for conducting FCC compliance testing, the DoC Part will be tested by FCC recognized test lab. If you have any question or concerns, pls, contact us. Sincerely, Signature Name: ZengYong/ General Manager Title: General Manager Telephone: +86-571-28068769 Email: [email protected] Date: December 15, 2010

HangZhou YD Technology Co., Ltd SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 2 Rev 2.0 2206 Ringwood Avenue San Jose, CA 95131 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Project and Product Certification Representative Authorization Letter Revision History Reason for Amendment (current / obsolete) From To Approved Date Initial Release (current) 1.0 1.0 Nov-14-2006 Revised wording (current) 1.0 2.0 Sept–25-2007 HangZhou YD Technology Co., Ltd SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 2.0 (December 15, 2010) To: SIEMIC, INC. 2206 Ringwood Avenue, San Jose, CA 95131 USA Dear Sir/Madam, Re: Project and Product Certification Representative Authorization Letter We, HangZhou YD Technology Co., Ltd hereby authorize SIEMIC, INC. to act as a Certification Body for certifying for the following project(s): (Product description, model name) FCC ID: Y4QYD-66BV Product name: EXO Bluetooth Exciter Model: YD-66BV We affirm that between SIEMIC and HangZhou YD Technology Co., Ltd, any difference in understanding, including test plan, measurement methods, applicable standards and relevant procedures and processes have been resolved prior to commencement of testing activities. Sincerely, Signature ZengYong / General Manager Title: General Manager Telephone: +86-571-28068769 Email: [email protected] Date: December 15, 2010

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FCC ID: Y4QYD-66BV

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1、BTMDC751 Series Radio Architecture This section discusses the radio architecture for Class 2 designs. The first section covers the RF circuitry within the chip. Subsequent sections provide an overview of the external circuit design and Persistent Store (PS) Key configuration requirements. BTMDC751 Series Transceiver 1.1.1 Transmitter Architecture The transmitter uses a conventional IQ modulator, as shows. The baseband Bluetooth signal is generated digitally and modulated in accordance with the Gaussian Frequency Shift Keying (GFSK) modulation scheme employed in Bluetooth. An additional frequency offset of up to ±1MHz can be added to the digital baseband signal. RF Performance Evaluation and Optimisation, discusses the reasons for adding a baseband transmit offset. Figure 1.1Figure 1.1: Overview of Transmitter Architecture 1.1.2 Receiver Architecture shows a receiver of a double conversion design, which uses the same synthesiser as the transmitter. The RF switch enables the use of inputs from either the differential or single-ended receive ports. The differential ports are the same TX_A and TX_B ports utilised by the transmitter. Single-ended inputs use the RF_IN port. Both differential and single-ended inputs are amplified by a low noise amplifier (LNA) and passed to an IQ mixer where the signal is then down-converted to a first intermediate frequency (IF) of 1.5MHz. This signal is amplified and filtered before undergoing a second quadrature mix to 2.5MHz. The 2.5MHz signal is further amplified and filtered. The signal is limited, sampled and then digitally demodulated. The 2.5MHz IF block also provides received signal strength indication (RSSI). Figure 1.2

1234 A B C D 4321 D C B A Title NumberRevision Size A4 Hangzhou Youdi Technology Co.,LTD Sheet 1 of 1 Drawn By: 9A Gene Chen R1 R 2 7 C 4 R 3 0 C 1 C5 Vbus 1 D- 2 D+ 3 GND 5 Shield 4 X1VC VC D3 B1+ C6 1 T2 1 T3 1 T9 R6 D5 RED GREENVC 1 T8 1 T7 1 2 3 4 5 6 7 X2 VIN 1 GND 2 ON/OFF 3 VOUT 5 BP 4 U3 C7 C8 C9 C15 3.3V R16R14R13R15 D6 R32 R33 BLUE RED 3.3V V O L - / P V O L + / N C10 D7 R4 3.3V 3.3V VC VOL+/N VOL-/P C 1 1 C 1 2 C 1 3 C 1 4 S P K L + S P K L - S P K R + S P K R - 1 T4 1 T5 1 T6 R5 VC R23 R24 R18 R19 R20 R 1 2 R7 R10 2 3 1 VT1 D1 D2 R 1 1 R8 R9 D4 2 3 1 VT2 VERG_EN R17 B2+ 1 T1 L O U T P 1 V D D 2 N C 3 L I N P 4 L I N N 5 R I N N 6 R I N P 7 N C 8 V D D 9 R O U T P 1 0 G N D 2 0 L O U T N 1 9 V D D 1 8 S D N B 1 7 A V D D 1 6 A G N D 1 5 C A P 1 4 V D D 1 3 R O U T N 1 2 G N D 1 1 PowerPAD 0 U2 TMPA2155DS 12 X4 12 X3 C 3 C 2 C16 C17 R 2 8 R 2 9 VC VCVCVC R22 P/P/P R35 C0 R31 D10 VB VC VC P_HOLD S P K R + S P K R - S P K L + S P K L - P A _ E N D9 D8 3V3_EN P_HOLD VERG_EN P/P/P P H O N E B 1 VT3 R2 R3 R25 R21 PHONE VBVC 231 456 U5 231 456 U4 VC 231 456 U6 231 456 U7 VB VB GND 37 TX 38 RX 39 P_HOLD 40 VERG_EN 41 PAIR/PLAY/PAUSE 42 G N D 1 R E S E T B 2 C L K 3 M I S O 4 M O S I 5 C S B 6 B L U E T O O T H 7 P I O 1 1 8 P R E V I O U S 9 N E X T 1 0 P L A Y / P A U S E 1 1 V O L + / N E X T 1 2 V O L - / P R E V I O U S 1 3 A U X - D A C 1 4 G N D 1 5 MIC_BIAS 16 GND 17 RF_IN 18 GND 19 AIO1 20 AIO0 21 G N D 2 2 M I C - L P 2 3 M I C - L N 2 4 S P K - L N 2 5 S P K - L P 2 6 S P K - R N 2 7 S P K - R P 2 8 P A _ E N 2 9 3 . 3 V 3 0 D + 3 1 D - 3 2 G N D 3 3 L E D 0 3 4 L E D 1 3 5 P H O N E 3 6 U1 FLC-BTMDC751 B T H R26 R38 R39 C 2 3 P_HOLD R34 C21 C19 C20 C18 C22 L 1 2 MIC R0 231 4 56 U8 231 456 U9 B/L VBVC VC B/L 3V3_EN 3.3V C 2 4 R40 R42 R43 R41 B/L B/L 1 T0 1 T10 1 T11 1 T12 1 T13 YD-66BV-MB P - 1 P + 2 BT2 L i t h i n - i o n P o l y m e r B a t t e r y P - 1 P + 2 BT1 AUDIO AMPLIFIER & BLUETOOTH MODULE fsw=200kHz-330kHz 1 ATN G M M E x c i t e r 1 3 2 4 4 Ohm 4 Ohm 3.7V/300mAh 3.7V/300mAh POWER ON/OFF & CHARGING INDICATORS BLUETOOTH INDICATORS F ( R F ) = 2 4 0 2 M H z - 2 4 8 0 M H z T O T O U C H B O A R D TO TOUCH BOARD BLUETOOTH MODULE F ( c r y s t a l ) = 1 6 M H z Date: 6-Dec-2010

Shenzhen Certification Technologh Service Co., Ltd 3F, Bldg27,Area A, Tanglang Industrial Zone, Xili Town, Nanshan District, ShenZhen, Guang dong, P.R. China. FCCID: Y4QYD-66BV Page 1 of 32 TEST REPORT FCC ID: Y4QYD-66BV Applicant : HangZhou YD Technology Co., Ltd Address : No. 778, Wenyixi Road, Westlake district, HangZhou, ZheJiang Province, China Equipment under Test (EUT): Name : EXO Bluetooth Exciter Model : YD-66BV Standards : FCC PART 15, SUBPART C : 2008 (Section 15.249) Report No. : STE101206955 Date of Test : December 10-14, 2010 Date of Issue : December 15, 2010 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above Authorized Signature (Mark Zhu) General Manager The manufacture should ensure that all the products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Any mention of Shenzhen Certification Technology Service Co., Ltd. Or test done by Shenzhen Certification Technology Service Co., Ltd. Approvals in connection with, distribution or use of the product described in this report must be approved by Shenzhen Certification Technology Service Co., Ltd. Approvals in writing. Report No.:STE101201949 FCCID: Y4QYD-66BV Page 2 of 32 TABLE OF CONTENT Description Page 1 General Information------------------------------------------------------------------------------------- 3 1.1 Description of Device (EUT)------------------------------------------------------------------ 3 1.2 Description of Test Facility-------------------------------------------------------------------- 4 2 EMC Equipment List --------------------------------------------------------------------------------- 4 3 Test Procedure ----------------------------------------------------------------------------------------- 5 4 Summary of Measurement ------------------------------------------------------------------------- 6 5 POWER LINE CONDUCTED EMISSION -------------------------------------------------------- 7 5.1 Conducted Emission Limits(15.209&249)-------------------------------------------------7 5.2 Test Setup-----------------------------------------------------------------------------------------7 5.3 Test Procedure-----------------------------------------------------------------------------------8 5.4 Test Resluts---------------------------------------------------------------------------------------8 6 Radiation Emission----------------------------------------------------------------------------------- 9 6.1 Radiation Emission Limits(15.209&249 (a))-----------------------------------------------9 6.2 Test Setup--------------------------------------------------------------------------------------- 10 6.3 Test Procedure--------------------------------------------------------------------------------- 11 6.4 Test Equipment Setting For emission test.est Result--------------------------------- 12 6.5 Test Condition---------------------------------------------------------------------------------- 12 6.6 Test Result-------------------------------------------------------------------------------------- 12 7 Occupied bandwidth -------------------------------------------------------------------------------- 17 7.1 Test limit------------------------------------------------------------------------------------------ 17 7.2 Method of measurement--------------------------------------------------------------------- 17 7.3 Test Setup--------------------------------------------------------------------------------------- 17 7.4 Test Results------------------------------------------------------------------------------------- 17 8 Band Edge Check------------------------------------------------------------------------------------ 18 8.1 Test limit------------------------------------------------------------------------------------------ 18 8.2 Test Procedure--------------------------------------------------------------------------------- 18 8.3 Test Setup--------------------------------------------------------------------------------------- 18 8.4 Test Result-------------------------------------------------------------------------------------- 18 9 Antenna Requirement ------------------------------------------------------------------------------ 23 9.1 Standard Requirement----------------------------------------------------------------------- 23 9.2 Antenna Connected Construction---------------------------------------------------------- 23 9.3 Result--------------------------------------------------------------------------------------------- 23 10 Photographs of Test Setup ----------------------------------------------------------------------- 24 11 Photographs of EUT--------------------------------------------------------------------------------- 26 Report No.:STE101201949 FCCID: Y4QYD-66BV Page 3 of 32 1 General Information 1.1 Description of Device (EUT) Trade Name : N/A EUT : EXO Bluetooth Exciter Model No. : YD-66BV Type of Antenna : Integral Antenna Operation Frequency : 2402-2480MHz Channel number : 79 Modulation type : GFSK Power Supply : DC 3.7V Supply by battery Rated PF output Power : 93.03 dBuV (PK detector) Applicant : HangZhou YD Technology Co., Ltd Address : No. 778, Wenyixi Road, Westlake district, HangZhou, ZheJiang Province, China Manufacturer : HangZhou YD Technology Co., Ltd Address : No. 778, Wenyixi Road, Westlake district, HangZhou, ZheJiang Province, China Report No.:STE101201949 FCCID: Y4QYD-66BV Page 4 of 32 1.2 Description of Test Facility Shenzhen Certification Technology Service Co.,Ltd. 3F, Bldg.27, Area A, Tanglang Industrial Zone, Xili Town, Nanshan District, Shenzhen 518055, Guangdong, P.R. China FCC Registered No.:305283 2 EMC Equipment List Equipment Manufacture Model No. Serial No. Last cal. Cal Interval 3m Semi-Anechoic ETS-LINDGREN N/A S…

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Radiated Emission Test Setup Below 1G Above 1G