FCC 47 CFR PART 15 SUBPART C INDUSTRY CANADA RSS-247 ISSUE 1 CERTIFICATION TEST REPORT. For. Smidt-imex Bluetooth Speaker MODEL NUMBER: SI-598

Transcription

1 FCC 47 CFR PART 15 SUBPART C INDUSTRY CANADA RSS-247 ISSUE 1 CERTIFICATION TEST REPORT For Smidt-imex Bluetooth Speaker MODEL NUMBER: SI-598 REPORT NUMBER: ISSUE DATE: December 12, 2016 Prepared for Smidt-imex Asia Ltd Unit 5-7, 29/F Max Trade Centre, 23 Luk Hop Street, San Po Kong, Kowloon, Hong Kong Prepared by UL Verification Services (Guangzhou) Co, Ltd, Song Shan Lake Branch Room 101, Building 10, Innovation Technology Park, Song Shan Lake Hi tech Development Zone, Dongguan, , China Tel: Fax: Website: wwwulcom The results reported herein have been performed in accordance with the laboratory s terms of accreditation This report shall not be reproduced except in full without the written approval of the Laboratory The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products This report does not imply that the product(s) has met the criteria for certification

2 Revision History Rev Issue Date Revisions -- 12/12/2016 Initial Issue Revised By Page 2 of 57

3 Summary of Test Results Clause Test Items FCC/IC Rules Test Results 1 20dB Bandwidth FCC (a) (1) Complied 2 Peak Conducted Output Power FCC (b) (1) Complied 3 Carrier Hopping Channel Separation FCC (a) (1) Complied 4 Number of Hopping Frequency (a) (1) III Complied 5 Time of Occupancy (Dwell Time) (a) (1) III Complied 6 Conducted Bandedge and Spurious FCC (d) Complied 7 Radiated Bandedge and Spurious FCC (d) FCC FCC Complied 8 Conducted Emission Test For AC Power Port FCC Complied 9 Antenna Requirement FCC Complied Page 3 of 57

4 TABLE OF CONTENTS 1 ATTESTATION OF TEST RESULTS 6 2 TEST METHODOLOGY 7 3 FACILITIES AND ACCREDITATION 7 4 CALIBRATION AND UNCERTAINTY 8 41 MEASURING INSTRUMENT CALIBRATION 8 42 MEASUREMENT UNCERTAINTY 8 5 EQUIPMENT UNDER TEST 9 51 DESCRIPTION OF EUT 9 52 MAXIMUM OUTPUT POWER 9 53 PACKET TYPE CONFIGURATION 9 54 CHANNEL LIST TEST CHANNEL CONFIGURATION THE WORSE CASE POWER SETTING PARAMETER DESCRIPTION OF AVAILABLE ANTENNAS WORST-CASE CONFIGURATIONS DESCRIPTION OF TEST SETUP MEASURING INSTRUMENT AND SOFTWARE USED 13 6 MEASUREMENT METHODS 14 7 ANTENNA PORT TEST RESULTS db BANDWIDTH AND 99% BANDWIDTH GFSK MODE /4-DQPSK MODE PEAK CONDUCTED OUTPUT POWER GFSK MODE /4-DQPSK MODE CARRIER HOPPING CHANNEL SEPARATION GFSK MODE /4-DQPSK MODE NUMBER OF HOPPING FREQUENCY GFSK MODE /4-DQPSK MODE TIME OF OCCUPANCY (DWELL TIME) GFSK MODE /4-DQPSK MODE 34 Page 4 of 57

5 76 CONDUCTED BANDEDGE AND SPURIOUS EMISSIONS GFSK MODE /4-DQPSK MODE 39 8 RADIATED TEST RESULTS LIMITS AND PROCEDURE RESTRICTED BANDEDGE GFSK MODE /4-DQPSK MODE SPURIOUS EMISSIONS (1~25GHz) GFSK MODE SPURIOUS EMISSIONS 30M ~ 1 GHz GFSK MODE SPURIOUS EMISSIONS BELOW 30M 53 9 AC POWER LINE CONDUCTED EMISSIONS ANTENNA REQUIREMENTS 57 Page 5 of 57

6 1 ATTESTATION OF TEST RESULTS Applicant Information Company Name: Address: Manufacturer Information Company Name: Address: EUT Description Product Name Brand Name Smidt-imex Asia Ltd Unit 5-7, 29/F Max Trade Centre, 23 Luk Hop Street, San Po Kong, Kowloon, Hong Kong Smidt-imex Asia Ltd Unit 5-7, 29/F Max Trade Centre, 23 Luk Hop Street, San Po Kong, Kowloon, Hong Kong Smidt-imex Bluetooth Speaker Smidt-imex Model Name SI-598 FCC ID 2AJ7OSI598 Date Tested November 17, 2016 ~ November 22, 2016 APPLICABLE STANDARDS STANDARD CFR 47 Part 15 Subpart C ANSI C TEST RESULTS PASS PASS Tested By: Check By: Denny Huang Engineer Project Associate Approved By: Shawn Wen Laboratory Leader Stephen Guo Laboratory Manager Page 6 of 57

7 2 TEST METHODOLOGY The tests documented in this report were performed in accordance with FCC CFR 47 Part 2, FCC CFR 47 Part 15, ANSI C FACILITIES AND ACCREDITATION Test Location Address Accreditation Certificate Dongguan Dongdian Testing Service Co, Ltd No 17, Zongbu Road 2, Songshan Lake Sci&Tech Park, Dongguan City, Guangdong Province, , China Dongguan Dongdian Testing Service Co, Ltd EMC Laboratory has been accredited by A2LA for technical competence in the field of electrical testing, and proved to be in compliance with ISO/IEC 17025: 2005 General Requirements for the Competence of Testing and Calibration Laboratories and any additional program requirements in the identified field of testing Valid time is until January 31, 2018 Dongguan Dongdian Testing Service Co, Ltd EMC Laboratory has been registered and fully described in a report filed with the FCC (Federal Communications Commission) The acceptance letter from the FCC is maintained in our files Registration , Renewal date March 11, 2015, valid time is until March 11, 2018 The 3m Alternate Test Site of Dongguan Dongdian Testing Service Co, Ltd has been registered by Certification and Engineering Bureau of Industry Canada for the performance of radiated measurements with Registration No 10288A on April 23, 2015, valid time is until April 23, 2018 Page 7 of 57

8 4 CALIBRATION AND UNCERTAINTY 41 MEASURING INSTRUMENT CALIBRATION The measuring equipment utilized to perform the tests documented in this report has been calibrated in accordance with the manufacturer's recommendations, and is traceable to recognized national standards 42 MEASUREMENT UNCERTAINTY Where relevant, the following measurement uncertainty levels have been estimated for tests performed on the apparatus: PARAMETER UNCERTAINTY Bandwidth 11% Peak Output Power(Conducted)( Spectrum analyzer) 086dB(10 MHz f < 36GHz); 138dB(36GHz f < 8GHz) Peak Output Power(Conducted)(Power Sensor) 074dB Dwell Time 06% 086dB(10 MHz f < 36GHz); Conducted spurious emissions 140dB(36GHz f < 8GHz) 166dB(8GHz f < 22GHz) Uncertainty for radio frequency (RBW<20KHz) Temperature 04 Humidity 2% Uncertainty for Radiation Emission test 470 db (Antenna Polarize: V) (30MHz-1GHz) 484 db (Antenna Polarize: H) Uncertainty for Radiation Emission test 410dB(1-6GHz) (1GHz-18GHz) 440dB (6GHz-18Gz) Uncertainty for Power line conduction emission test 332dB (150KHz-30MHz) Note: This uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2 Page 8 of 57

9 5 EQUIPMENT UNDER TEST 51 DESCRIPTION OF EUT Equipment Model Name Product Description (Bluetooth) Rated Power Hardware Version Software Version Smidt-imex Bluetooth Speaker SI-598 Operation Frequency 2402 MHz ~ 2480 MHz Modulation Type Data Rate GFSK 1Mbps /4-DQPSK 2Mbps DC 45V by Battery or DC 5V/1A by USB Port PBT598EE DLPBT598_BK325428_Wireless speaker_whh_v11_ _0cedimg Note: The EUT only support GFSK and /4-DQPSK modulation, the 8DPSK modulation was removed by client through software Frequency Range (MHz) 52 MAXIMUM OUTPUT POWER Number of Transmit Chains (NTX) Bluetooth Mode Frequency (MHz) Channel Number Max PK Conducted Power (dbm) GFSK [79] /4-DQPSK [79] PACKET TYPE CONFIGURATION Test Mode Packet Type Setting DH1 27 GFSK DH3 183 DH DH1 54 /4-DQPSK 2-DH DH5 679 Page 9 of 57

10 Channel 54 CHANNEL LIST Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) TEST CHANNEL CONFIGURATION Test Mode Test Channel Number Test Channel GFSK CH 00, CH 39, CH 78 Low, Middle, High /4-DQPSK CH 00, CH 39, CH 78 Low, Middle, High 56 THE WORSE CASE POWER SETTING PARAMETER The Worse Case Power Setting Parameter under 2400 ~ 24835MHz Band Test Software Version BK3256 RF Test_V13 Modulation Type Transmit Antenna Test Channel Number CH 00 CH 39 CH 78 GFSK /4-DQPSK Page 10 of 57

11 57 DESCRIPTION OF AVAILABLE ANTENNAS Ant Frequency (MHz) Antenna Type Antenna Gain (dbi) PCB Antenna 20 Test Mode GFSK /4-DQPSK Transmit and Receive Mode 1TX, 1RX 1TX, 1RX Description Chain 1 can be used as transmitting/receiving antenna Chain 1 can be used as transmitting/receiving antenna 58 WORST-CASE CONFIGURATIONS Bluetooth Mode Modulation Technology Modulation Type Data Rate (Mbps) BR FHSS GFSK 1Mbit/s EDR FHSS /4-DQPSK 2Mbit/s 59 DESCRIPTION OF TEST SETUP SUPPORT EQUIPMENT Item Equipment Brand Name Model Name FCC ID 1 Laptop ThinkPad Latitude D610 N/A 1 Power Adapter N/A BBK050100AU N/A I/O CABLES Cable No Port Connector Type Cable Type Cable Length(m) Remarks 1 AUX In AUX Unshielded 030 In buttom 2 USB In USB Unshielded 030 DC 5V, 1A Note: The USB only use for supply power ACCESSORY Item Accessory Brand Name Model Name Description 1 N/A N/A N/A N/A Page 11 of 57

12 TEST SETUP The EUT can work in an engineer mode with a software through a Laptop SETUP DIAGRAM FOR TESTS EUT Laptop USB to TTL Serial Cable Page 12 of 57

13 510 MEASURING INSTRUMENT AND SOFTWARE USED Instrument (Conducted for RF Port) Used Equipment Manufacturer Model No Serial No Last Cal Cal Interval Spectrum Analyzer Agilent E4447A MY /07/06 1 Year Instrument (Radiated Tests) Used Equipment Manufacturer Model No Serial No Last Cal Expired date EMI Test Receiver R&S ESU /10/16 1 Year Spectrum analyzer R&S FSU /10/16 1 Year Trilog Broadband Schwarzbeck Antenna VULB /10/27 1 Year Active Loop antenna Schwarzbeck FMZB /10/27 1 Year Double Ridged Horn Antenna R&S HF /10/12 1 Year Pre-amplifier AH PAM /10/16 1 Year RF Cable HUBSER CP-X2 W /10/16 1 Year RF Cable HUBSER CP-X1 W /10/16 1 Year MI Cable HUBSER C M /10/16 1 Year Test software Audix E3 V b N/A N/A Instrument (Line Conducted Emission (AC Main)) Used Equipment Manufacturer Model No Serial No Last Cal Expired date Test Receiver R&S ESU /10/16 1 Year LISN 1 R&S ENV /10/16 1 Year LISN 2 R&S ESH2-Z /10/16 1 Year Pulse Limiter R&S ESH3-Z /10/16 1 Year CE Cable 1 HUBSER ESU8/RF2 W /10/16 1 Year Test software Audix E3 V b N/A N/A Page 13 of 57

14 6 MEASUREMENT METHODS No Test Item KDB Name 1 20 db Bandwidth FCC Public Notice DA % Bandwidth ANSI C Peak Output Power FCC Public Notice DA Power Spectral Density FCC Public Notice DA Out-of-band emissions in non-restricted bands FCC Public Notice DA Out-of-band emissions in restricted bands FCC Public Notice DA Band-edge FCC Public Notice DA Page 14 of 57

15 7 ANTENNA PORT TEST RESULTS LIMITS db BANDWIDTH AND 99% BANDWIDTH FCC Part15 (15247), Subpart C Section Test Item Frequency Range (MHz) FCC (a) (1) 20dB Bandwidth RSS-Gen Clause % Bandwidth TEST PROCEDURE Connect the UUT to the spectrum analyser and use the following settings: Center Frequency Detector RBW VBW Trace Sweep The centre frequency of the channel under test Peak 1% of the 20 db bandwidth RBW Max hold Auto couple Allow the trace to stabilize and measure the maximum width of the emission that is constrained by the frequencies associated with the two outermost amplitude points (upper and lower frequencies) that are attenuated by 20 db relative to the maximum level measured in the fundamental emission TEST SETUP EUT Attenuator Spectrum analyser TEST CONDITIONS Page 15 of 57

16 Temperature: 266 C Relative Humidity: 58% Test Voltage: DC 37V RESULTS 711 GFSK MODE Channel Frequency (MHz) 20dB bandwidth (MHz) 99% bandwidth (MHz) Result Low Pass Middle Pass High Pass 20 db BANDWIDTH LOW CH Page 16 of 57

17 20 db BANDWIDTH MID CH 20 db BANDWIDTH HIGH CH Page 17 of 57

18 712 /4-DQPSK MODE Channel Frequency (MHz) 20dB bandwidth (MHz) 99% bandwidth (MHz) Result Low Pass Middle Pass High Pass 20 db BANDWIDTH LOW CH Page 18 of 57

19 20 db BANDWIDTH MID CH 20 db BANDWIDTH HIGH CH Page 19 of 57

20 LIMITS 72 PEAK CONDUCTED OUTPUT POWER FCC Part15 (15247), Subpart C Section Test Item Limit FCC (b) (1) Peak Conducted Output Power Frequency Range (MHz) 1 watt or 30dBm TEST PROCEDURE Connect the UUT to the spectrum analyser and use the following settings: Center Frequency The centre frequency of the channel under test Detector Peak RBW > the 20 db bandwidth of the emission being measured (eg 1 MHz for BT) VBW RBW Span approximately 5 times the 20 db bandwidth, centered on a hopping channel Trace Max hold Sweep time Auto couple Allow trace to fully stabilize and use peak marker function to determine the peak amplitude level TEST SETUP EUT Attenuator Spectrum analyser TEST CONDITIONS Temperature: 266 C Relative Humidity: 58% Test Voltage: DC 37V Page 20 of 57

21 RESULTS 721 GFSK MODE Channel Frequency Maximum Conducted Output Power(PK) EIRP (MHz) (dbm) (dbm) Result Low Pass Middle Pass High Pass Note: EIRP = Maximum Conducted Output Power (PK) + Antenna Gain OUTPUT POWER LOW CH Page 21 of 57

22 OUTPUT POWER MID CH OUTPUT POWER HIGH CH Page 22 of 57

23 Channel 722 /4-DQPSK MODE Frequency Maximum Conducted Output Power(PK) EIRP (MHz) (dbm) (dbm) Result Low Pass Middle Pass High Pass Note: EIRP = Maximum Conducted Output Power (PK) + Antenna Gain OUTPUT POWER LOW CH Page 23 of 57

24 OUTPUT POWER MID CH OUTPUT POWER HIGH CH Page 24 of 57

25 LIMITS 73 CARRIER HOPPING CHANNEL SEPARATION FCC Part15 (15247), Subpart C Section Test Item Limit FCC (a) (1) Carrier Hopping Channel Separation 25 khz or two-thirds of the 20 db bandwidth of the hopping channel, whichever is greater Frequency Range (MHz) TEST PROCEDURE Connect the UUT to the spectrum analyser and use the following settings: Center Frequency Span Detector RBW VBW Trace Sweep time The centre frequency of the channel under test wide enough to capture the peaks of two adjacent channels Peak 1% of the span RBW Max hold Auto couple Allow the trace to stabilize Use the marker-delta function to determine the separation between the peaks of the adjacent channels The limit is specified in one of the subparagraphs of this Section Submit this plot TEST SETUP EUT Attenuator Spectrum analyser Page 25 of 57

26 TEST CONDITIONS Temperature: 28 C Relative Humidity: 60% Test Voltage: DC 37V RESULTS 731 GFSK MODE Carrier Hopping Channel Channel Separation (MHz) Middle 0982 Limit (MHz) two-thirds of the 20 db Bandwidth Of The Hopping Channel Result PASS Carrier Hopping Channel Separation Page 26 of 57

27 732 /4-DQPSK MODE Channel Carrier Hopping Channel Separation (MHz) Middle 1042 Limit (MHz) two-thirds of the 20 db Bandwidth Of The Hopping Channel Result PASS Carrier Hopping Channel Separation Page 27 of 57

28 LIMITS 74 NUMBER OF HOPPING FREQUENCY FCC Part15 (15247), Subpart C Section Test Item Limit (a) (1) III Number of Hopping Frequency at least 15 hopping channels TEST PROCEDURE Connect the EUT to the spectrum analyser and use the following settings: Detector RBW VBW Span Trace Sweep time Peak 1% of the span RBW The frequency band of operation Max hold Auto couple Set EUT to transmit maximum output power and switch on frequency hopping function then set enough count time (larger than 5000 times) to get all the hopping frequency channel displayed on the screen of spectrum analyzer Count the quantity of peaks to get the number of hopping channels TEST SETUP EUT Attenuator Spectrum analyser TEST CONDITIONS Temperature: 266 C Relative Humidity: 58% Test Voltage: DC 37V Page 28 of 57

29 RESULTS 741 GFSK MODE Hopping numbers Limit Results 79 >15 Pass Page 29 of 57

30 742 /4-DQPSK MODE Hopping numbers Limit Results 79 >15 Pass Page 30 of 57

31 LIMITS 75 TIME OF OCCUPANCY (DWELL TIME) FCC Part15 (15247), Subpart C Section Test Item Limit (a) (1) III TEST PROCEDURE Time of Occupancy (Dwell Time) The average time of occupancy on any channel shall not be greater than 04 seconds within a period of 04 seconds, multiplied by the number of hopping channels employed Connect the UUT to the spectrum analyser and use the following settings: Center Frequency Detector RBW VBW Span Trace Sweep time The centre frequency of the channel under test Peak 1 MHz RBW zero span Max hold As necessary to capture the entire dwell time per hopping channel a The transmitter output (antenna port) was connected to the spectrum analyzer b Set RBW of spectrum analyzer to 1MHz and VBW to 1MHz c Use a video trigger with the trigger level set to enable triggering only on full pulses d Sweep Time is more than once pulse time e Set the center frequency on any frequency would be measure and set the frequency span to zero span f Measure the maximum time duration of one single pulse g Set the EUT for DH5, DH3 and DH1 packet transmitting h Measure the maximum time duration of one single pulse A Period Time = (channel number)*04 DH1 Time Slot: Reading * (1600/2)*316/(channel number) DH3 Time Slot: Reading * (1600/4)*316/(channel number) DH5 Time Slot: Reading * (1600/6)*316/(channel number) TEST SETUP EUT Attenuator Spectrum analyser Page 31 of 57

32 TEST CONDITIONS Temperature: 28 C Relative Humidity: 60% Test Voltage: DC 37V RESULTS 751 GFSK MODE packet type Time of Single Slot Time of occupied in a period Limit [ms] [s] [s] Result DH Pass DH Pass DH Pass TIME OF SINGLE SLOT (DH1) Page 32 of 57

33 TIME OF SINGLE SLOT (DH3) TIME OF SINGLE SLOT (DH5) Page 33 of 57

34 752 /4-DQPSK MODE packet type Time of Single Slot Time of occupied in a period Limit [ms] [s] [s] Result 3DH Pass 3DH Pass 3DH Pass TIME OF SINGLE SLOT (3DH1) Page 34 of 57

35 TIME OF SINGLE SLOT (3DH3) TIME OF SINGLE SLOT (3DH5) Page 35 of 57

36 LIMITS 76 CONDUCTED BANDEDGE AND SPURIOUS EMISSIONS FCC Part15 (15247), Subpart C Section Test Item Limit FCC (d) TEST PROCEDURE Conducted Bandedge and Spurious Emissions at least 20 db below that in the 100 khz bandwidth within the band that contains the highest level of the desired power Connect the UUT to the spectrum analyser and use the following settings: Center Frequency Detector RBW VBW Span Trace Sweep time Use the peak marker function to determine the maximum PSD level Span Detector RBW VBW measurement points Trace Sweep time Use the peak marker function to determine the maximum amplitude level TEST SETUP The centre frequency of the channel under test Peak 100KHz 3 RBW 15 x DTS bandwidth Max hold Auto couple Set the center frequency and span to encompass frequency range to be measured Peak 100KHz 3 RBW span/rbw Max hold Auto couple EUT Attenuator Spectrum analyser Page 36 of 57

37 TEST CONDITIONS Temperature: 266 C Relative Humidity: 58% Test Voltage: AC 120V/60Hz RESULTS 761 GFSK MODE NO HOPPING LOW CH BANDEDAGE Page 37 of 57

38 HOPPING LOW CH BANDEDAGE NO HOPPING High CH BANDEDAGE Page 38 of 57

39 HOPPING High CH BANDEDAGE 762 /4-DQPSK MODE NO HOPPING LOW CH BANDEDAGE Page 39 of 57

40 HOPPING LOW CH BANDEDAGE NO HOPPING HIGH CH BANDEDAGE Page 40 of 57

41 NO HOPPING HIGH CH BANDEDAGE Page 41 of 57

42 8 RADIATED TEST RESULTS LIMITS 81 LIMITS AND PROCEDURE Please refer to FCC and Radiation Disturbance Test Limit for FCC (Class B)(9KHz-1GHz) Frequency (MHz) Field Strength (microvolts/meter) Measurement Distance (meters) 0009~ /F(KHz) ~ /F(KHz) ~ ~ ~ ~ ~ Radiation Disturbance Test Limit for FCC (Above 1G) db(uv/m) (at 3 meters) Frequency (MHz) Peak Average Above TEST CONDITIONS Temperature: 222 C Relative Humidity: 612% Test Voltage: AC 120V/60Hz Page 42 of 57

43 TEST SETUP AND PROCEDURE Below 30MHz The setting of the spectrum analyser RBW VBW Sweep Detector Trace 200Hz (From 9kHz to 015MHz)/ 9KHz (From 015MHz to 30MHz) 200Hz (From 9kHz to 015MHz)/ 9KHz (From 015MHz to 30MHz) Auto Peak/QP/ Average Max hold 1 The testing follows the guidelines in ANSI C The EUT was arranged to its worst case and then turntable (from 0 degree to 360 degrees) to find the maximum reading A pre-amp and a high pass filter are used for the test in order to get better signal level Both horizontal and vertical polarizations of the antenna are set to make the measurement 3 The EUT was placed on a turntable with 08 meter above ground 4 The EUT was set 3 meters from the interference receiving antenna, which was mounted on the top of a variable height antenna tower 5 Corrected Reading: Antenna Factor + Cable Loss + Read Level - Preamp Factor = Level 6 For measurement below 1GHz, the initial step in collecting conducted emission data is a spectrum analyzer peak detector mode pre-scanning the measurement frequency range Significant peaks are then marked and then Quasi Peak detector mode re-measured If the emission level of the EUT measured by the peak detector is 3 db lower than the applicable limit, the peak emission level will be reported Otherwise, the emission measurement will be repeated using the quasi-peak detector and reported 7 For the actual test configuration, please refer to Appendix Ⅲ Internal Photographs Page 43 of 57

44 Below 1G The setting of the spectrum analyser RBW VBW Sweep Detector Trace 120KHz 300KHz Auto QP Max hold 1 The testing follows the guidelines in ANSI C The EUT was arranged to its worst case and then tune the antenna tower (from 1 m to 4 m) and turntable (from 0 degree to 360 degrees) to find the maximum reading A pre-amp and a high pass filter are used for the test in order to get better signal level Both horizontal and vertical polarizations of the antenna are set to make the measurement 3 The EUT was placed on a turntable with 08 meter above ground 4 The EUT was set 3 meters from the interference receiving antenna, which was mounted on the top of a variable height antenna tower 5 Corrected Reading: Antenna Factor + Cable Loss + Read Level - Preamp Factor = Level 6 For measurement below 1GHz, the initial step in collecting conducted emission data is a spectrum analyzer peak detector mode pre-scanning the measurement frequency range Significant peaks are then marked and then Quasi Peak detector mode re-measured If the emission level of the EUT measured by the peak detector is 3 db lower than the applicable limit, the peak emission level will be reported Otherwise, the emission measurement will be repeated using the quasi-peak detector and reported 7 For the actual test configuration, please refer to Appendix Ⅲ Internal Photographs Page 44 of 57

45 ABOVE 1G The setting of the spectrum analyser RBW VBW Sweep Detector Trace 1MHz 3MHz Auto Peak and CISPR Average Max hold 1 The testing follows the guidelines in ANSI C The EUT was arranged to its worst case and then tune the antenna tower (15 m) and turntable (from 0 degree to 360 degrees) to find the maximum reading A pre-amp and a high pass filter are used for the test in order to get better signal level Both horizontal and vertical polarizations of the antenna are set to make the measurement 3 The EUT was placed on a turntable with 15 meter above ground 4 The EUT was set 3 meters from the interference receiving antenna, which was mounted on the top of a variable height antenna tower 5 Corrected Reading: Antenna Factor + Cable Loss + Read Level - Preamp Factor = Level 6 For measurement above 1GHz, the emission measurement will be measured by the peak detector 7 For the actual test configuration, please refer to Appendix Ⅲ Internal Photographs TEST CONDITIONS Temperature: 222 C Relative Humidity: 61% Test Voltage: DC 37V Page 45 of 57

46 82 RESTRICTED BANDEDGE 821 GFSK MODE RESTRICTED BANDEDGE (LOW CHANNEL, HORIZONTAL) LOW CHANNEL RESTRICTED, HORIZNTAL RESTRICTED BANDEDGE (LOW CHANNEL, VERTICAL) LOW CHANNEL RESTRICTED, VERTICAL Page 46 of 57

47 RESTRICTED BANDEDGE (HIGH CHANNEL, HORIZONTAL) HIGH CHANNEL RESTRICTED, HORIZONTAL RESTRICTED BANDEDGE (HIGH CHANNEL, VERTICAL) HIGH CHANNEL RESTRICTED, VERTICAL Note: EUT in each of three orthogonal axis emissions had been tested, but only the worst case (X axis) data recorded in the report Page 47 of 57

48 822 /4-DQPSK MODE RESTRICTED BANDEDGE (LOW CHANNEL, HORIZONTAL) LOW CHANNEL RESTRICTED, HORIZONTAL RESTRICTED BANDEDGE (LOW CHANNEL, VERTICAL) LOW CHANNEL RESTRICTED, VERTICAL Page 48 of 57

49 RESTRICTED BANDEDGE (HIGH CHANNEL, HORIZONTAL) HIGH CHANNEL RESTRICTED, HORIZONTAL RESTRICTED BANDEDGE (HIGH CHANNEL, VERTICAL) HIGH CHANNEL RESTRICTED, VERTICAL Note: EUT in each of three orthogonal axis emissions had been tested, but only the worst case (X axis) data recorded in the report Page 49 of 57

50 Freq (MHz) 83 SPURIOUS EMISSIONS (1~25GHz) 831 GFSK MODE Read level (dbµv) Antenn a Factor (db/m) HARMONICS AND SPURIOUS EMISSIONS PRM Facto r(db) Cable Loss (db) Result Level (dbµv/m) Limit (dbµ V/m) Margin (db) Detecto r type Polarization GFSK Tx mode 2402MHz Peak VERTICAL Peak VERTICAL Peak VERTICAL Peak VERTICAL Peak VERTICAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL GFSK Tx mode 2441MHz Peak VERTICAL Peak VERTICAL Peak VERTICAL Peak VERTICAL Peak VERTICAL Peak VERTICAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL GFSK Tx mode 2480MHz Peak VERTICAL Peak VERTICAL Peak VERTICAL Peak VERTICAL Peak VERTICAL Peak VERTICAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL Peak HORIZONTAL Result: Pass Note1: 130MHz~18GHz: (Scan with GFSK, π/4 QPSK, 8-DPSK, the worst case is GFSK Mode) 2 Result Level = Read Level + Antenna Factor + Cable loss - PRM Factor Note2: EUT in each of three orthogonal axis emissions had been tested, but only the worst case (X axis) data recorded in the report Page 50 of 57

51 84 SPURIOUS EMISSIONS 30M ~ 1 GHz 841 GFSK MODE SPURIOUS EMISSIONS 30 TO 1000 MHz (WORST-CASE CONFIGURATION) HIGH CHANNEL HORIZONTAL Page 51 of 57

52 HIGH CHANNEL VERTICAL Note: EUT in each of three orthogonal axis emissions had been tested, but only the worst case (X axis) data recorded in the report Page 52 of 57

53 85 SPURIOUS EMISSIONS BELOW 30M Note 1: The low frequency, which started from 9 khz to 30MHz, was pre-scanned and the result which was 20dB lower than the limit line per 1531(o) was not reported Note 2: EUT in each of three orthogonal axis emissions had been tested, but only the worst case (X axis) data recorded in the report Page 53 of 57

54 9 AC POWER LINE CONDUCTED EMISSIONS LIMITS Please refer to FCC (a) and RSS-Gen Clause 88 FREQUENCY (MHz) Class A (dbuv) Class B (dbuv) Quasi-peak Average Quasi-peak Average * * TEST SETUP AND PROCEDURE 40cm EUT 80cm 80cm Receiver 80cm LISN The EUT is put on a table of non-conducting material that is 80cm high The vertical conducting wall of shielding is located 40cm to the rear of the EUT The power line of the EUT is connected to the AC mains through a Artificial Mains Network (AMN) A EMI Measurement Receiver (R&S Test Receiver ESR3) is used to test the emissions from both sides of AC line According to the requirements in Section 7 and 13 of ANSI C Conducted emissions from the EUT measured in the frequency range between 015 MHz and 30MHz using CISPR Quasi-Peak and average detector mode The bandwidth of EMI test receiver is set at 9kHz The arrangement of the equipment is installed to meet the standards and operating in a manner, which tends to maximize its emission characteristics in a normal application Page 54 of 57

55 TEST RESULTS (WORST-CASE CONFIGURATION) EUT: Smidt-imet Bluetooth Speaker Temperature: 260 C Relative Humidity: 430 % Pressure: 1012 hpa Test Voltage: AC 120V/60Hz Test Mode: GFSK Mode Phase : L1 Page 55 of 57

56 EUT: Smidt-imet Bluetooth Speaker Temperature: 260 C Relative Humidity: 430 % Pressure: 1012 hpa Test Voltage: AC 120V/60Hz Test Mode: GFSK Mode Phase : N Page 56 of 57

57 10 ANTENNA REQUIREMENTS APPLICABLE REQUIREMENTS Please refer to FCC If directional gain of transmitting antennas is greater than 6dBi, the power shall be reduced by the same level in db comparing to gain minus 6dBi For the fixed point-to-point operation, the power shall be reduced by one db for every 3 db that the directional gain of the antenna exceeds 6 dbi The use of a permanently attached antenna or of an antenna that uses a unique coupling to the intentional radiator shall be considered sufficient to comply with the FCC rule ANTENNA CONNECTOR EUT has a PCB antenna without antenna connector ANTENNA GAIN The antenna gain of EUT is less than 6 dbi END OF REPORT Page 57 of 57