CCRCB288Dual-Channel Wireless System

NF04171-1.0

Confidentiality Letter Date: _2014.08.18_______ Subject: Confidentiality Request for FCC ID: CCRCB288 Pursuant to FCC 47 CRF 0.457(d) and 0.459, the applicant requests that a part of the subject FCC application be held confidential. Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagrams Short Term Internal Photos Short Term Permanent Operation Description/Theory of Operation Short Term Permanent Tune-Up Procedure& Part list Short Term Permanent Schematics Short Term User’s Manual ______( Sam Ash Music Corporation)______ has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of ___(specify number of days not to exceed 180) ___ days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify TUV Rheinland in the event information regarding the product or the product is made available to the public. TUV Rheinland will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. Sincerely, By: __________________________ ______ Don Albanese ___________ (Signature/Title) (Print name)

25#+ 37.5(L)19.5(W)mm SAMSON 1:1 A B C D / E SEIKAKU TECHNICAL GROUP LIMITEDSEIKAKU TECHNICAL GROUP LIMITED : NE22773NE22773 05.08.2014 0.01KG/100 NE24290 NO 1 1.1 14.06.10 :QHFBE004-20140600008 CB88_V1.0 -RS-CTS 49.38.9mm SAMSON APR.5.2013 A B C D / E SEIKAKU TECHNICAL GROUP LIMITED : 0.3TPC+3M 49.38.9mm 1:1 0.01Kg/100 CB88 NE22772

CB288 FCC ID label :

Produkte Products Prüfbericht - Nr.: Test Report No. 16061100 001 Seite 30 von 33 Page 30 of 33 5.7. Electromagnetic Fields RESULT: PASS Date of testing : 17 Sep 2014 Guide : FCC KDB Publication 447498 The minimum distance for the EUT is <5mm, since maximum peak output power of the transmitter is 18.239mW (12.61dBm) < 22mW, hence the EUTs are exclueded from SAR evaluation according to FCC KDB publication 447498 D01: Mobile and Portable RF Exposure. Guidance v05.

Produkte Products Prüfbericht - Nr.: Test Report No. 16061100 001 Seite 2 von 33 Page 2 of 33 TEST SUMMARY 5.1 C ONDUCTED OUTPUT POWER RESULT: Pass 5.2 SPURIOUS RADIATION MEASUREMENT (TX) RESULT: Pass 5.3 M ODULATION CHARACTERISTICS MEASUREMENT RESULT: Pass 5.4 OCCUPIED BANDWIDTH RESULT: Pass 5.5 FREQUENCY TOLERANCE RESULT: Pass 5.6 EMISSION MASK RESULT: Pass 5.7 ELECTROMAGNETIC FIELDS RESULT: Pass Produkte Products Prüfbericht - Nr.: Test Report No. 16061100 001 Seite 3 von 33 Page 3 of 33 Contents 1 GENERAL REMARKS ........................................................................................................... 5 1.1 COMPLEMENTARY MATERIALS ......................................................................................... 5 2 TEST SITES .......................................................................................................................... 5 2.1 TEST FACILITIES ................................................................................................................. 5 2.2 L IST OF TEST AND MEASUREMENT INSTRUMENTS ............................................................ 5 2.3 TRACE ABILITY ................................................................................................................... 6 2.4 CALIBRATION ...................................................................................................................... 6 2.5 A BBREVIATIONS .................................................................................................................. 6 2.6 MEASUREMENT UNCERTAINTY .......................................................................................... 6 3 GENERAL PRODUCT INFORMATION ................................................................................... 7 3.1 PRODUCT FUNCTION AND INTENDED USE .......................................................................... 7 3.2 RATING AND PHYSICAL CHARACTERISTICS ...................................................................... 7 3.3 N OISE GENERATING OR SOURCES OF INTERFERENCE ...................................................... 7 3.4 NOISE SUPPRESSING PARTS ................................................................................................ 7 3.5 SUBMITTED DOCUMENTS.................................................................................................... 7 4 TEST SET-UP AND OPERATION MODES .............................................................................. 8 4.1 TEST METHODOLOGY ......................................................................................................... 8 4.2 I NDEPENDENT AND TEST OPERATION MODES ................................................................... 8 4.3 SPECIAL ACCESSORIES AND AUXILIARY EQUIPMENT ....................................................... 8 4.4 COUNTERMEASURES TO ACHIEVE EMC COMPLIANCE ..................................................... 8 4.5 TEST SETUP ......................................................................................................................... 9 5 TEST RESULTS E M I S S I O N ...................................................................................... 11 5.1 CONDUCTED OUTPUT POWER .......................................................................................... 11 5.2 S PURIOUS RADIATION MEASUREMENT ............................................................................ 13 5.3 MODULATION CHARACTERISTICS MEASUREMENT ......................................................... 25 5.4 OCCUPIED BANDWIDTH .................................................................................................... 26 5.5 F REQUENCY TOLERANCE .................................................................................................. 27 5.6 E MISSION MASK ................................................................................................................ 28 5.7 E LECTROMAGNETIC FIELDS ............................................................................................ 30 6 PHOTOGRAPHS OF TEST SETUP ........................................................................................ 31 Produkte Products Prüfbericht - Nr.: Test Report No. 16061100 001 Seite 4 von 33 Page 4 of 33 7 LIST OF TABLES ................................................................................................................ 32 8 LIST OF FIGURES ............................................................................................................... 32 9 L IST OF PICTURES ............................................................................................................. 33 Produkte Products Prüfbericht - Nr.: Test Report No. 16061100 001 Seite 5 von 33 Page 5 of 33 1. General Remarks 1.1. Complementary Materials All attachments are integral parts of this test report. 2. Test Sites 2.1. Test Facilities TÜV Rheinland(Guangdong) Ltd. EMC Laboratory. No.102, 1F of Southwest Warehouse Building, No.767 TianYuan Road, Tianhe District, Guangzhou, P.R.China, 510650 2.2. List of Test and Measurement Instruments Table 1: List of Test and Measurement Equipment Kind of Equipment Type Manufacturer S/N Calibrated until Calibrated Interval EMI Test Receiver ESCI-3 Rohde & Schwarz 100216 16.Mar.2015 1 year Spectrum Analyzer FSP30 Rohde & Schwarz 100286 16.Mar.2015 1 year Trilog-Broadband Antenna VULB9168 (30MHz-1GHz) SCHWARZBECK MESSELEKTRONI K 209 16.Mar.2015 2 years Double-Ridged Waveguide Horn Antenna HF906 (1-18GHz) Rohde & Schwarz 100385 16.Mar.2015 2 years Pre-amplifier AFS42- 00101800-25-S- 42 MITEQ 1101599 16.Mar.2015 2 years Band Reject Filter BRM50702 Micro-Tronics 023 16.Mar.2015 2 years Standard Gain Horn Antenna 3160-09 (18-26.5GHz) EMCO 21642 16.Mar.2015 5 years Pre-amplifier AFS33- 18002650-30- 8P-44 MITEQ 1108282 16.Mar.2015 2 years 3m Anechoic Chamber N/A Albatross Project GmbH N/A 16.Mar.2015 1 year Loop Antenna HFH2-Z2 (<30MHz) Rohde & Schwarz 100111 16.Mar.2015 2 years EMI Test Receiv…

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Produkte Products Prüfbericht - Nr.: Test Report No. 16061100 001 Seite 31 von 33 Page 31 of 33 6. Photographs of Test Setup Picture 1: Spurious Radiation Measurement, 30MHz-1GHz (CB288) Picture 2: Spurious Radiation Measurement, Above 1GHz (CB288)