2AAIN-BTW248XBKIndoor/Outdoor speaker with Bluetooth

FCC Warning Statement: 1. 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. 2. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. In order to avoid the possibility of exceeding the FCC radio frequency exposure limits, Human proximity to the antenna shall not be less than 20cm (8 inches) during normal operation.

SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 2 Rev 3.0 775 Montague Expressway Milpitas, CA 95035 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 (obsolete) 1.0 1.0 Nov-14-2006 Revised wording (obsolete) 1.0 2.0 Sept–25-2007 Updated company template (current) 2.0 3.0 Jan-31-2012 SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 3.0 ACOUSTMAX INTERNATIONAL CO., LTD Feb 24,2014 To: SIEMIC, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Project and Product Certification Representative Authorization Letter We, ACOUSTMAX INTERNATIONAL CO., LTD hereby authorize SIEMIC, INC. to act as a Certification Body for certifying for the following project(s): Product name: Indoor/Outdoor speaker with Bluetooth Model No.: BTW248XBK, BTW248XWH,BTW348XBK,BTW548XBK. BTW648XBK. BTW748XBK. BTW848XBK. BTW948XBK FCC ID: 2AAIN-BTW248XBK We affirm that between SIEMIC and ACOUSTMAX INTERNATIONAL 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, Client’s signature Client’s name : Zhiyun Wu Contact address: Unit D16/F Cheuk Nang Plaza 250 Hennessy Road Wanchai HongKong, China Contact telephone: 86-13510365603 Email: [email protected]

SCS-F19: Confidentiality Request Letter Page 1 of 2 Rev 3.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] FCC Confidentiality Request Letter Revision History Reason for Amendment (current / obsolete) From To Approved Date Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (current) 2.0 3.0 Jan-31-2012 SCS-F19: Confidentiality Request Letter Page 2 of 2 Rev 3.0 ACOUSTMAX INTERNATIONAL CO., LTD FCC Confidentiality Request Letter Feb 24,2014 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: 2AAIN-BTW248XBK We hereby request confidential treatment of information accompanying this application as outlined below: - Block Diagram - Schematics - Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 & 0.459 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Client’s signature Client’s name : Zhiyun Wu Contact address: Unit D16/F Cheuk Nang Plaza 250 Hennessy Road Wanchai HongKong, China Contact telephone: 86-13510365603 Email: [email protected]

ACOUSTMAX INTERNATIONAL CO., LTD Date: Feb 24,2014 To: SIEMIC, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Statement FCC ID: 2AAIN-BTW248XBK Model number: BTW248XBK, BTW248XWH, BTW348XBK, BTW548XBK, BTW648XBK, BTW748XBK, BTW848XBK, BTW948XBK. We hereby state that these models are identical in interior structure, electrical circuits and components, and just model number is different for the marketing requirement. Your assistance on this matter is highly appreciated. Sincerely, Client’s signature Client’s name : Zhiyun Wu Contact address: Unit D16/F Cheuk Nang Plaza 250 Hennessy Road Wanchai HongKong, China Contact telephone: 86-13510365603 Email: [email protected]

External photos

Label and label location

Internal photos 5.8GHz Antenna BT Antenna

FCC ID : 2AAIN-BTW248XBK 1. RF EXPOSURE 1.1. The Requirement System operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy levels in excess of the Commission’s guidelines. See Section 15.247(b)(4) and Section 1.1307(b)(1) 1.2. Limit For Maximum Permissible Exposure (MPE) Limits for General Population/ Uncontrolled Exposure F = frequency in MHz, * Plane-wave equivalent power density 1.3. MPE Calculation Method Predication of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 S=PG/4πR² Where: S=power density P=power input to antenna G=power gain of the antenna in the direction of interest relative to an isotropic radiator R=distance to the center of radiation of the antenna Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) ( 2 mW/cm) Averaging Time 2 E, 2 H or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 f/1500 30 1500-100,000 1.0 30 From the peak EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the BT antenna is 0 dBi, the gain of the 5.8G antenna is 3 dBi, the RF power density can be obtained. 1.4. TEST RESULTS Maximum measured transmitter power For BT 3.0 GFSK mode Test Frequency （MHz） Minimum Separation Distance (cm) Output Power (dBm) Output Power (mW) Antenna Gain (Numeric) Power Density Limit (mW/cm 2 ) Power Density At 20 cm (mW/cm 2 ) Test Results 2402 20.00 -2.09 0.618 1.000 1.000 0.0001 Pass 2441 20.00 -0.72 0.847 1.000 1.000 0.0002 Pass 2480 20.00 0.50 1.122 1.000 1.000 0.0002 Pass ∏/4-DQPSK Mode Test Frequency （MHz） Minimum Separation Distance (cm) Output Power (dBm) Output Power (mW) Antenna Gain (Numeric) Power Density Limit (mW/cm 2 ) Power Density At 20 cm (mW/cm 2 ) Test Results 2402 20.00 -3.95 0.403 1.000 1.000 0.0001 Pass 2441 20.00 -2.53 0.558 1.000 1.000 0.0001 Pass 2480 20.00 -1.27 0.746 1.000 1.000 0.0001 Pass 8DPSK Mode Test Frequency （MHz） Minimum Separation Distance (cm) Output Power (dBm) Output Power (mW) Antenna Gain (Numeric) Power Density Limit (mW/cm 2 ) Power Density At 20 cm (mW/cm 2 ) Test Results 2402 20.00 -3.83 0.414 1.000 1.000 0.0001 Pass 2441 20.00 -2.43 0.571 1.000 1.000 0.0001 Pass 2480 20.00 -1.17 0.764 1.000 1.000 0.0002 Pass For 5.8G module QPSK mode Antenna A Test Frequency （MHz） Minimum Separation Distance (cm) Output Power (dBm) Output Power (mW) Antenna Gain (Numeric) Power Density Limit (mW/cm 2 ) Power Density At 20 cm (mW/cm 2 ) Test Results 5736 20.00 5.50 3.548 1.995 1.000 0.0014 Pass 5762 20.00 7.90 6.166 1.995 1.000 0.0024 Pass 5814 20.00 8.20 6.607 1.995 1.000 0.0026 Pass Antenna B Test Frequency （MHz） Minimum Separation Distance (cm) Output Power (dBm) Output Power (mW) Antenna Gain (Numeric) Power Density Limit (mW/cm 2 ) Power Density At 20 cm (mW/cm 2 ) Test Results 5736 20.00 6.22 4.188 1.995 1.000 0.0017 Pass 5762 20.00 6.82 4.808 1.995 1.000 0.0019 Pass 5814 20.00 7.96 6.252 1.995 1.000 0.0025 Pass The measurement results comply with the FCC Limit per 47 CFR 2.1091 for the uncontrolled RF Exposure. 1.5. FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. In order to avoid the possibility of exceeding the FCC radio frequency exposure limits, Human proximity to the antenna shall not be less than 20cm(8 inches) during normal operation. Proposed RF exposure safety information to include in User’s Manual.

Report No.: ATE2014106 Page 1 of 94 FCC ID: 2AAIN-BTW248XBK ACCURATE TECHNOLOGY CO. LTD APPLICATION CERTIFICATION On Behalf of ACOUSTMAX INTERNATIONAL CO., LTD Indoor/Outdoor speaker with Bluetooth Model No.: BTW248XBK, BTW248XWH, BTW348XBK, BTW548XBK, BTW648XBK, BTW748XBK, BTW848XBK, BTW948XBK FCC ID: 2AAIN-BTW248XBK Prepared for : ACOUSTMAX INTERNATIONAL CO., LTD Address : Unit D16/F Cheuk Nang Plaza 250 Hennessy Road Wanchai HongKong, China Prepared by : ACCURATE TECHNOLOGY CO. LTD Address : F1, Bldg. A, Changyuan New Material Port, Keyuan Rd. Science & Industry Park, Nanshan, Shenzhen, Guangdong P.R. China Tel: (0755) 26503290 Fax: (0755) 26503396 Report Number : ATE2014106 Date of Test : Feb 10-26,2014 Date of Report : Feb 26,2014 Report No.: ATE2014106 Page 2 of 94 FCC ID: 2AAIN-BTW248XBK ACCURATE TECHNOLOGY CO. LTD TABLE OF CONTENTS Description Page Test Report Certification 1. GENERAL INFORMATION .......................................................................................................... 5 1.1. Description of Device (EUT)....................................................................................................................5 1.2. Description of Test Facility ......................................................................................................................6 1.3. Measurement Uncertainty.........................................................................................................................6 2. MEASURING DEVICE AND TEST EQUIPMENT ..................................................................... 7 3. OPERATION OF EUT DURING TESTING ................................................................................. 8 3.1. Operating Mode ........................................................................................................................................8 3.2. Configuration and peripherals ..................................................................................................................8 4. TEST PROCEDURES AND RESULTS ......................................................................................... 9 5. 20DB BANDWIDTH TEST............................................................................................................10 5.1. Block Diagram of Test Setup..................................................................................................................10 5.2. The Requirement For Section 15.247(a)(1) ............................................................................................10 5.3. EUT Configuration on Measurement .....................................................................................................10 5.4. Operating Condition of EUT ..................................................................................................................10 5.5. Test Procedure ........................................................................................................................................11 5.6. Test Result ..............................................................................................................................................11 6. CARRIER FREQUENCY SEPARATION TEST........................................................................ 17 6.1. Block Diagram of Test Setup..................................................................................................................17 6.2. The Requirement For Section 15.247(a)(1) ............................................................................................17 6.3. EUT Configuration on Measurement .....................................................................................................17 6.4. Operating Condition of EUT ..................................................................................................................17 6.5. Test Procedure ........................................................................................................................................18 6.6. Test Result ..............................................................................................................................................18 7. NUMBER OF HOPPING FREQUENCY TEST ......................................................................... 24 7.1. Block Diagram of Test Setup..................................................................................................................24 7.2. The Requirement For Section 15.247(a)(1)(iii) ......................................................................................24 7.3. EUT Configuration on Measurement .....................................................................................................24 7.4. Operating Condition of EUT ..................................................................................................................24 7.5. Test Procedure ........................................................................................................................................25 7.6. Test Result ..............................................................................................................................................25 8. DWELL TIME TEST ..................................................................................................................... 27 8.1. Block Diagram of Test Setup..................................................................................................................27 8.2. The Requirement For Section 15.247(a)(1)(iii) ......................................................................................27 8.3. EUT Configuration on Measurement .....................................................................................................27 8.4. Operating Condition of EUT ..................................................................................................................27 8.5. Test Procedure .....................................................…

Text truncated - open the document above for the full version.