Measurement Report
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test report
Shenzhen chengtai electronic and technology co.,LTD TG-534 2A86Y-TG-534 2A86YTG534 tg 534
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Document DEVICE REPORTGetApplicationAttachment.html?id=7216437Project No.:ZKT-240311L2405E Page 1 of 40 FCC TEST REPORT FCC ID:2A86Y-TG-534 Report Number................................. : ZKT-240311L2405E Date of Test..........................................M...a..r..1:2 to Mar. 20, 2024 Date of issue .................................... : Mar. 20, 2024 Total number of pages ...................... 40 Test Result ..................................... : PASS Testing Laboratory............................ : Shenzhen ZKT Technology Co., Ltd. Address .......................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Applicant's name ............................ : Shenzhen chengtai electronic and technology co.,LTD Address .......................................... : 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,Sanwei Community,Hangcheng Street,Baoan District,Shenzhen Manufacturer's name ..................... : Shenzhen chengtai electronic and technology co.,LTD Address .......................................... : 6thFloor,BuildingC,QinyuIndustrialZone,Sanwei,Sanwei Community,Hangcheng Street,Baoan District,Shenzhen Test specification: Standard ........................................... : FCC CFR Title 47 Part ANSI C63.10:2013 15 Subpart C Section 15.249 Test procedure................................. : / Non-standard test method ............. : N/A Test Report Form No. .................... : TRF-EL-111_V0 Test Report Form(s) Originator .... : ZKT Testing Master TRF .................................... : Dated: 2023-01-05 This device described above has been tested by ZKT, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of ZKT, this document may be altered or revised by ZKT, personal only, and shall be noted in the revision of the document. Product name................................... : Portable Wireless Speaker,Bluetooth Speaker Trademark ...................................... : N/A Model/Type reference ...................... : TG-534 Battery............................................... DC 3.7V 1200mAh DC 5V from adapter, AC120V/60Hz for adapter or Ratings ............................................. : DC 3.7V from battery Testing procedure and testing location: Project No.:ZKT-240311L2405E Page 2 of 40 Testing Laboratory ..................................... : Shenzhen ZKT Technology Co., Ltd. Address ...................................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Tested by (name + signature) .................... : Alen He Reviewer (name + signature)..................... : Joe Liu Approved (name + signature) .................... : Lake Xie Project No.:ZKT-240311L2405E Page 3 of 40 Table of Contents Page 1.VERSION 5 2 SUMMARY OF TEST RESULTS 6 2.1 TEST FACILITY 7 2.2 MEASUREMENT UNCERTAINTY 7 3. GENERAL INFORMATION 8 3.1 GENERAL DESCRIPTION OF EUT 8 3.2 DESCRIPTION OF TEST MODES 9 3.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 9 3.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 10 3.5 EQUIPMENTS LIST FOR ALL TEST ITEMS 11 4. EMC EMISSION TEST 12 4.1 CONDUCTED EMISSION MEASUREMENT 12 4.1.1 POWER LINE CONDUCTED EMISSION LIMITS 12 4.1.2 TEST PROCEDURE 12 4.1.3 DEVIATION FROM TEST STANDARD 12 4.1.4 TEST SETUP 13 4.1.5 EUT OPERATING CONDITIONS 13 4.1.6 TEST RESULTS 14 4.2 RADIATED EMISSION MEASUREMENT 16 4.2.1 RADIATED EMISSION LIMITS 16 4.2.2 TEST PROCEDURE 17 4.2.3 DEVIATION FROM TEST STANDARD 17 4.2.4 TEST SETUP 17 4.2.5 EUT OPERATING CONDITIONS 18 5. BANDWIDTH OF FREQUENCY BAND EDGE 29 5.1 TEST REQUIREMENT: 29 5.2 TEST PROCEDURE 29 5.3 DEVIATION FROM TEST STANDARD 29 5.4 TEST SETUP 29 5.5 EUT OPERATING CONDITIONS 30 5.6 TEST RESULT 31 6. CHANNEL BANDWIDTH 35 6.1 APPLIED PROCEDURES / LIMIT 35 6.2 TEST PROCEDURE 35 6.3 DEVIATION FROM STANDARD 35 6.4 TEST SETUP 35 Table of Contents 6.5 EUT OPERATION CONDITIONS 6.6 TSET RESULTS 7.ANTENNA REQUIREMENT 8. TEST SETUP PHOTO 9. EUT CONSTRUCTIONAL DETAILS Project No.:ZKT-240311L2405E Page 4 of 40 Page 35 36 39 40 40 1.VERSION Report No. ZKT-240311L2405E Version Rev.01 Project No.:ZKT-240311L2405E Page 5 of 40 Description Initial issue of report Approved Mar. 20, 2024 2 SUMMARY OF TEST RESULTS Project No.:ZKT-240311L2405E Page 6 of 40 Test procedures according to the technical standards: Standard Section FCC part 15.203 FCC Part15 (15.249) , Subpart C Test Item Antenna requirement Judgment PASS FCC part 15.207 FCC part 15.249 FCC part 15.215 (c) AC Power Line Conducted Emission Fundamental & Radiated Spurious Emission Measurement 20dB Channel Bandwidth PASS PASS PASS FCC part 15.205 Band Edge PASS Remark NOTE: (1)" N/A" denotes test is not applicable in this Test Report Project No.:ZKT-240311L2405E Page 7 of 40 2.1 TEST FACILITY Shenzhen ZKT Technology Co., Ltd. Add. : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China FCC Test Firm Registration Number: 692225 Designation Number: CN1299 IC Registered No.: 27033 2.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± Uwhere expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2providing a level of confidence of approximately 95 % No. Item 1 Conducted Emission Test 2 RF power conducted 3 Spurious emissions conducted 4 All emissions radiated(<1G) 5 All emissions radiated(>1G) 6 Temperature 7 Humidity Uncertainty ±1.38dB ±0.16dB ±0.21dB ±4.68dB ±4.89dB ±0.5°C ±2% 3. GENERAL INFORMATION 3.1 GENERAL DESCRIPTION OF EUT Project No.:ZKT-240311L2405E Page 8 of 40 Product Name: Portable Wireless Speaker,Bluetooth Speaker Model No.: TG-534 Model Different.: N/A Serial No.: Hardware Version: Software Version: Sample(s) Status: Operation Frequency: Channel Numbers: Channel Separation: Modulation Type: Antenna Type: Antenna gain: N/A HV1.0 SV1.0 Engineer sample 2402MHz~2480MHz 79 1MHz GFSK, /4-DQPSK, 8-DPSK PCB Antenna 2.499dBi Power supply: DC5V from adapter, AC 120V/60Hz for adapter or DC3.7V from battery SWITCHING ADAPTER: Battery POWER N/A DC3.7V 1200mAh Operation Frequency each of Channel Channel Frequency Channel Frequency Channel Frequency Channel Frequency 1 2402MHz 21 2422MHz 41 2442MHz 61 2462MHz 2 2403MHz 22 2423MHz 42 2443MHz 62 2463MHz 3 2404MHz 23 2424MHz 43 2444MHz 63 2464MHz 4 2405MHz 24 2425MHz 44 2445MHz 64 2465MHz 5 2406MHz 25 2426MHz 45 2446MHz 65 2466MHz 6 2407MHz 26 2427MHz 46 2447MHz 66 2467MHz 7 2408MHz 27 2428MHz 47 2448MHz 67 2468MHz 8 2409MHz 28 2429MHz 48 2449MHz 68 2469MHz 9 2410MHz 29 2430MHz 49 2450MHz 69 2470MHz 10 2411MHz 30 2431MHz 50 2451MHz 70 2471MHz 11 2412MHz 31 2432MHz 51 2452MHz 71 2472MHz 12 2413MHz 32 2433MHz 52 2453MHz 72 2473MHz 13 2414MHz 33 2434MHz 53 2454MHz 73 2474MHz Project No.:ZKT-240311L2405E Page 9 of 40 14 2415MHz 34 2435MHz 54 2455MHz 74 2475MHz 15 2416MHz 35 2436MHz 55 2456MHz 75 2476MHz 16 2417MHz 36 2437MHz 56 2457MHz 76 2477MHz 17 2418MHz 37 2438MHz 57 2458MHz 77 2478MHz 18 2419MHz 38 2439MHz 58 2459MHz 78 2479MHz 19 2420MHz 39 2440MHz 59 2460MHz 79 2480MHz 20 2421MHz 40 2441MHz 60 2461MHz Note: In section 15.31(m), regards to the operating frequency range over 10 MHz, the Lowest frequency, the middle frequency, and the highest frequency of channel were selected to perform the test, and the selected channel see below: Channel The lowest channel The middle channel The Highest channel Frequency 2402MHz 2441MHz 2480MHz 3.2 DESCRIPTION OF TEST MODES Transmitting mode Keep the EUT in continuously transmitting mode Remark: During the test, the test voltage was tuned from 85% to 115% of the nominal rated supply voltage, and found that the worst case was under the nominal rated supply condition. So the report just shows that condition's data. Enter test mode for the product, keep EUT in continuously transmitting status with hoping on mode with different packages; find the worst case is GFSK mode. Test Software Power level setup BT Test Tool <0dBm 3.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED Conducted Emission AC Plug Adapter Radiated Emission EUT Conducted Spurious EUT EUT Project No.:ZKT-240311L2405E Page 10 of 40 3.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Item Equipment Portable Wireless E-1 Speaker,Bluetooth Speaker E-2 Adapter Mfr/Brand N/A N/A Model/Type No. TG-534 AC Adapter1 Series No. Note N/A EUT Supply by Lab Item Shielded Type C-1 NO Ferrite Core NO Length 0.8M Note DC Line Note: (1) (2) The support equipment was authorized by Declaration of Confirmation. For detachable type I/O cable should be specified the length in cm inLengthcolumn. 3.5 EQUIPMENTS LIST FOR ALL TEST ITEMS Project No.:ZKT-240311L2405E Page 11 of 40 Radiation Test equipment Item Equipment Manufacturer Type No. 1 Spectrum Analyzer (9kHz-26.5GHz) KEYSIGHT 9020A 2 Spectrum Analyzer (10kHz-39.9GHz) R&S FSV40-N 3 EMI Test Receiver (9kHz-7GHz) R&S ESCI7 4 Bilog Antenna (30MHz-1500MHz) Schwarzbeck VULB9168 5 Horn Antenna (1GHz-18GHz) Agilent AH-118 6 Horn Antenna (15GHz-40GHz) A.H.System SAS-574 7 Loop Antenna TESEQ HLA6121 8 Amplifier (30-1000MHz) 9 Amplifier (1GHz-26.5GHz) 10 Amplifier (500MHz-40GHz) EM Electronics Agilent QuanJuDa EM330 Amplifier 8449B DLE-161 11 Test Cable N/A R-01 12 Test Cable N/A R-02 13 Test Cable N/A R-03 14 D.C. Power Supply LongWei TPR-6405D 15 EMC Software Frad EZ-EMC 16 Turntable MF MF-7802BS 17 Antenna tower MF MF-7802BS Serial No. Firmware Version Last calibration Calibrated until MY55370835 A.17.05 Nov. 02, 2023 Nov. 01, 2024 100363 1.71 SP2 Nov. 02, 2023 Nov. 01, 2024 101169 4.32 Nov. 02, 2023 Nov. 01, 2024 N/A N/A Nov. 13, 2023 Nov. 12, 2024 071145 N/A Nov. 13, 2023 Nov. 12, 2024 588 N/A Nov. 13, 2023 Nov. 12, 2024 58357 N/A Nov. 16, 2023 Nov. 15, 2024 060747 N/A Nov. 02, 2023 Nov. 01, 2024 3008A00315 N/A Nov. 02, 2023 Nov. 01, 2024 097 N/A N/A N/A N/A N/A N/A N/A N/A N/A Ver.EMC-CO N 3A1.1 N/A N/A N/A N/A N/A Nov. 02, 2023 Nov. 01, 2024 Nov. 02, 2023 Nov. 02, 2023 Nov. 02, 2023 \ Nov. 01, 2024 Nov. 01, 2024 Nov. 01, 2024 \ \ \ \ \ \ \ Conduction Test equipment Item Kind of Equipment Manufacturer Type No. 1 LISN R&S ENV216 Serial No. 101471 Firmware Version N/A 2 LISN CYBERTEK EM5040A E1850400149 N/A 3 Test Cable N/A C-01 N/A N/A 4 Test Cable N/A C-02 N/A N/A 5 Test Cable N/A C-03 N/A N/A 6 EMI Test Receiver R&S 7 Triple-Loop Antenna N/A 8 Absorbing Clamp DZ 9 EMC Software Frad ESCI3 RF300 ZN23201 EZ-EMC 101393 4.42 SP3 N/A N/A 15034 N/A Ver.EMC-CON 3A1.1 N/A Last calibration Calibrated until Nov. 14, 2023 Nov. 13, 2024 Nov. 02, 2023 Nov. 01, 2024 Nov. 02, 2023 Nov. 01, 2024 Nov. 02, 2023 Nov. 01, 2024 Nov. 02, 2023 Nov. 01, 2024 Nov. 02, 2023 Nov. 02, 2023 Nov. 07, 2023 Nov. 01, 2024 Nov. 01, 2024 Nov. 06, 2024 \ \ 4. EMC EMISSION TEST 4.1 CONDUCTED EMISSION MEASUREMENT Project No.:ZKT-240311L2405E Page 12 of 40 Test Requirement: FCC Part15 C Section 15.207 Test Method: ANSI C63.10:2013 Test Frequency Range: 150KHz to 30MHz Receiver setup: RBW=9KHz, VBW=30KHz, Sweep time=auto 4.1.1 POWER LINE CONDUCTED EMISSION Limits FREQUENCY (MHz) 0.15 -0.5 0.50 -5.0 5.0 -30.0 Limit (dBuV) Quas -peak Average 66 - 56 * 56 - 46 * 56.00 46.00 60.00 50.00 Standard FCC FCC FCC Note: (1) *Decreases with the logarithm of the frequency. 4.1.2 TEST PROCEDURE a. The EUT was placed 0.8 meters from the horizontal ground plane with EUT being connected to the power mains through a line impedance stabilization network (LISN). All other support equipments powered from additional LISN(s). The LISN provide 50 Ohm/ 50uH of coupling impedance for the measuring instrument. b. Interconnecting cables that hang closer than 40 cm to the ground plane shall be folded back and forth in the center forming a bundle 30 to 40 cm long. c. I/O cables that are not connected to a peripheral shall be bundled in the center. The end of the cable may be terminated, if required, using the correct terminating impedance. The overall length shall not exceed 1 m. d. LISN at least 80 cm from nearest part of EUT chassis. e. For the actual test configuration, please refer to the related Item EUT Test Photos. 4.1.3 DEVIATION FROM TEST STANDARD No deviation 4.1.4 TEST SETUP Project No.:ZKT-240311L2405E Page 13 of 40 4.1.5 EUT OPERATING CONDITIONS The EUT was configured for testing in a typical fashion (as a customer would normally use it). The EUT has been programmed to continuously transmit during test. This operating condition was tested and used to collect the included data. We pretest AC 120V and AC 230V, the worst voltage was AC 120V and the data recording in the report. 4.1.6 TEST RESULTS Temperature 26 Pressure 101kPa Test Voltage AC 120V/60Hz Project No.:ZKT-240311L2405E Page 14 of 40 Relative Humidity Phase : Test Mode: 54% L TX GFSK-2402MHz Notes: 1.An initial pre-scan was performed on the line and neutral lines with peak detector. 2.Quasi-Peak and Average measurement were performed at the frequencies with maximized peak emission. 3.Mesurement Level = Reading level + Correct Factor Temperature Pressure Test Voltage 26 101kPa AC 120V/60Hz Project No.:ZKT-240311L2405E Page 15 of 40 Relative Humidity Phase : Test Mode: 54% N TX GFSK-2402MHz Notes: 1.An initial pre-scan was performed on the line and neutral lines with peak detector. 2.Quasi-Peak and Average measurement were performed at the frequencies with maximized peak emission. 3.Mesurement Level = Reading level + Correct Factor 4.2 RADIATED EMISSION MEASUREMENT Project No.:ZKT-240311L2405E Page 16 of 40 Test Requirement: Test Method: Test Frequency Range: Test site: Receiver setup: FCC Part15 C Section 15.209 ANSI C63.10:2013 9kHz to 25GHz Measurement Distance: 3m Frequency Detector RBW VBW Value 9KHz-150KHz Quasi-peak 200Hz 600Hz Quasi-peak 150KHz-30MHz Quasi-peak 9KHz 30KHz Quasi-peak 30MHz-1GHz Quasi-peak 100KHz 300KHz Quasi-peak Above 1GHz Peak Peak 1MHz 1MHz 3MHz 10Hz Peak Average 4.2.1 RADIATED EMISSION LIMITS Frequencies Field Strength (MHz) (micorvolts/meter) 0.009~0.490 2400/F(KHz) 0.490~1.705 24000/F(KHz) 1.705~30.0 30 30~88 100 88~216 150 216~960 200 Above 960 500 Measurement Distance (meters) 300 30 30 3 3 3 3 The field strength of emissions from intentional radiators operated within these frequency bands shall comply with the following: LIMITS OF RADIATED EMISSION MEASUREMENT FREQUENCY (MHz) Limit (dBuV/m) (at 3M) PEAK AVERAGE Above 1000 74 54 Notes: (1) The limit for radiated test was performed according to FCC PART 15C. (2) The tighter limit applies at the band edges. (3) Emission level (dBuV/m)=20log Emission level (uV/m). Project No.:ZKT-240311L2405E Page 17 of 40 4.2.2 TEST PROCEDURE a. The measuring distance of at 3 m shall be used for measurements at frequency up to 25GHz. For frequencies above 1GHz, any suitable measuring distance may be used. b. The EUT was placed on the top of a rotating table 0.8 meters above the ground at a 3 meter semi-chamber test. The table was rotated 360 degrees to determine the position of the highest radiation. c. The height of the equipment or of the substitution antenna shall be 0.8m; above 1GHz, the height was 1.5m, the height of the test antenna shall vary between 1 m to 4 m. Both horizontal and vertical polarizations of the antenna are set to make the measurement. d. 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. e. If the Peak Mode measured value compliance with and lower than Quasi Peak Mode Limit, the EUT shall be deemed to meet QP Limits and then no additional QP Mode measurement performed. f. For the actual test configuration, please refer to the related Item EUT Test Photos. g. For the radiated emission test above 1GHz: Place the measurement antenna away from each area of the EUT determined to be a source of emissions at the specified measurement distance, while keeping the measurement antenna aimed at the source of emissions at each frequency of significant emissions, with polarization oriented for maximum response. The measurement antenna may have to be higher or lower than the EUT, depending on the radiation pattern of the emission and staying aimed at the emission source for receiving the maximum signal. The final measurement antenna elevation shall be that which maximizes the emissions. The measurement antenna elevation for maximum emissions shall be restricted to a range of heights of from 1 m to 4 m above the ground or reference ground plane. Note: Both horizontal and vertical antenna polarities were tested and performed pretest to three orthogonal axis. The worst case emissions were reported 4.2.3 DEVIATION FROM TEST STANDARD No deviation 4.2.4 TEST SETUP ARadiated Emission Test-Up Frequency Below 30MHz BRadiated Emission Test-Up Frequency 30MHz~1GHz Project No.:ZKT-240311L2405E Page 18 of 40 CRadiated Emission Test-Up Frequency Above 1GHz 4.2.5 EUT OPERATING CONDITIONS The EUT tested system was configured as the statements of 2.4 Unless otherwise a special operating condition is specified in the follows during the testing. 4.2.6 TEST RESULTS (Between 9KHz 30 MHz) The emission from 9 kHz to 30MHz was pre-tested and found the result was 20dB lower than the limit, and according to 15.31(o) & RSS-Gen 6.13, the test result no need to reported. Between 30MHz 1GHz Temperature: Pressure: Test Voltage: 26 101 kPa AC 120V/60Hz Project No.:ZKT-240311L2405E Page 19 of 40 Relative Humidity: Polarization: Test Mode: 54% Horizontal TX GFSK-2402MHz Temperature: Pressure: Test Voltage: 26 101kPa AC 120V/60Hz Project No.:ZKT-240311L2405E Page 20 of 40 Relative Humidity: Polarization: Test Mode: 54% Vertical TX GFSK-2402MHz Remarks: 1.Final Level =Receiver Read level + Antenna Factor + Cable Loss Preamplifier Factor 2.The emission levels of other frequencies are very lower than the limit and not show in test report. Project No.:ZKT-240311L2405E Page 21 of 40 Field Strength of The Fundamental Signal Peak value: Frequency (MHz) 2402.00 2402.00 2441.00 2441.00 2480.00 2480.00 Read Level (dBuV) 91.74 91.07 89.86 83.98 90.99 87.81 Average value: Frequency (MHz) 2402.00 2402.00 2441.00 2441.00 2480.00 2480.00 Read Level (dBuV) 79.88 78.11 76.97 73.11 80.54 77.43 Antenna Factor (dB/m) 27.26 27.26 27.33 27.33 27.40 27.40 Antenna Factor (dB/m) 27.26 27.26 27.33 27.33 27.40 27.40 Cable Loss (dB) 5.39 5.39 5.43 5.43 5.47 5.47 GFSK Preamp Factor (dB) 30.18 30.18 30.06 30.06 29.93 29.93 Level (dBuV/m) 94.21 93.54 92.56 86.68 93.93 90.75 Limit Line (dBuV/m) 114.00 114.00 114.00 114.00 114.00 114.00 Over Limit (dB) -19.79 -20.46 -21.44 -27.32 -20.07 -23.25 polarization Vertical Horizontal Vertical Horizontal Vertical Horizontal Cable Loss (dB) 5.39 5.39 5.43 5.43 5.47 5.47 Preamp Factor (dB) 30.18 30.18 30.06 30.06 29.93 29.93 Level (dBuV/m) 82.35 80.58 79.67 75.81 83.48 80.37 Limit Line (dBuV/m) 94.00 94.00 94.00 94.00 94.00 94.00 Over Limit (dB) -11.65 -13.42 -14.33 -18.19 -10.52 -13.63 polarization Vertical Horizontal Vertical Horizontal Vertical Horizontal Peak value: Frequency (MHz) 2402.00 2402.00 2441.00 2441.00 2480.00 2480.00 Read Level (dBuV) 80.20 78.17 76.55 73.07 81.12 77.26 Average value: Frequency (MHz) 2402.00 2402.00 2441.00 2441.00 2480.00 2480.00 Read Level (dBuV) 80.32 78.29 76.67 73.19 81.24 77.38 Antenna Factor (dB/m) 27.26 27.26 27.33 27.33 27.40 27.40 Antenna Factor (dB/m) 27.26 27.26 27.33 27.33 27.40 27.40 /4-DQPSK Cable Loss (dB) 5.39 5.39 5.43 5.43 5.47 5.47 Preamp Factor (dB) 30.18 30.18 30.06 30.06 29.93 29.93 Level (dBuV/m) 82.67 80.64 79.25 75.77 84.06 80.20 Limit Line (dBuV/m) 114.00 114.00 114.00 114.00 114.00 114.00 Over Limit (dB) -31.33 -33.36 -34.75 -38.23 -29.94 -33.80 polarization Vertical Horizontal Vertical Horizontal Vertical Horizontal Cable Loss (dB) 5.39 5.39 5.43 5.43 5.47 5.47 Preamp Factor (dB) 30.18 30.18 30.06 30.06 29.93 29.93 Level (dBuV/m) 82.79 80.76 79.37 75.89 84.18 80.32 Limit Line (dBuV/m) 94.00 94.00 94.00 94.00 94.00 94.00 Over Limit (dB) -11.21 -13.24 -14.63 -18.11 -9.82 -13.68 polarization Vertical Horizontal Vertical Horizontal Vertical Horizontal Project No.:ZKT-240311L2405E Page 22 of 40 Peak value: Frequency (MHz) 2402.00 2402.00 2441.00 2441.00 2480.00 2480.00 Read Level (dBuV) 89.85 88.64 87.87 82.83 90.13 86.35 Average value: Frequency (MHz) 2402.00 2402.00 2441.00 2441.00 2480.00 2480.00 Read Level (dBuV) 80.31 77.92 77.00 73.62 81.39 77.68 Antenna Factor (dB/m) 27.26 27.26 27.33 27.33 27.40 27.40 Antenna Factor (dB/m) 27.26 27.26 27.33 27.33 27.40 27.40 8-DPSK Cable Loss (dB) 5.39 5.39 5.43 5.43 5.47 5.47 Preamp Factor (dB) 30.18 30.18 30.06 30.06 29.93 29.93 Level (dBuV/m) 92.32 91.11 90.57 85.53 93.07 89.29 Limit Line (dBuV/m) 114.00 114.00 114.00 114.00 114.00 114.00 Over Limit (dB) -21.68 -22.89 -23.43 -28.47 -20.93 -24.71 polarization Vertical Horizontal Vertical Horizontal Vertical Horizontal Cable Loss (dB) 5.39 5.39 5.43 5.43 5.47 5.47 Preamp Factor (dB) 30.18 30.18 30.06 30.06 29.93 29.93 Level (dBuV/m) 82.78 80.39 79.70 76.32 84.33 80.62 Limit Line (dBuV/m) 94.00 94.00 94.00 94.00 94.00 94.00 Over Limit (dB) -11.22 -13.61 -14.30 -17.68 -9.67 -13.38 polarization Vertical Horizontal Vertical Horizontal Vertical Horizontal 1GHz~25GHz Polar Frequency (H/V) (MHz) V 4804.00 V 4804.00 V 7206.00 V 7206.00 V 9608.00 V 9608.00 V 12010.00 V 12010.00 H 4804.00 H 4804.00 H 7206.00 H 7206.00 H 9608.00 H 9608.00 H 12010.00 H 12010.00 Meter Reading (dBuV) 50.77 30.63 48.86 31.34 49.36 31.24 49.46 31.24 51.11 30.96 49.75 30.91 49.75 30.61 49.15 30.01 Project No.:ZKT-240311L2405E Page 23 of 40 Pre-ampli fier GFSK Cable Antenna Loss Factor Emission Level (dB) (dB) (dB) (dBuV/m) 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 Low Channel:2402MHz 5.77 31.12 57.11 5.77 31.12 36.97 6.32 36.04 60.89 6.32 36.04 43.37 7.45 37.58 63.54 7.45 37.58 45.42 8.99 39.10 66.53 8.99 39.10 48.31 5.77 31.12 57.45 5.77 31.12 37.30 6.32 36.04 61.78 6.32 36.04 42.94 7.45 37.58 63.93 7.45 37.58 44.79 8.99 39.10 66.22 8.99 39.10 47.08 Limits (dBuV/m) 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 Margin (dB) -16.89 -17.03 -13.11 -10.63 -10.46 -8.58 -7.47 -5.69 -16.55 -16.70 -12.22 -11.06 -10.07 -9.21 -7.78 -6.92 Detector Type Pk AV Pk AV Pk AV Pk AV Pk AV Pk AV Pk AV Pk AV Polar (H/V) V V V V V V V V H H H H H H H H Frequency (MHz) 4882.00 4882.00 7323.00 7323.00 9764.00 9764.00 12205.00 12205.00 4882.00 4882.00 7323.00 7323.00 9764.00 9764.00 12205.00 12205.00 Meter Reading (dBuV) 50.59 31.48 49.12 31.26 49.19 31.16 49.09 31.16 51.95 31.51 52.66 31.29 52.56 31.29 49.16 30.49 Pre-ampli Cable Antenna Emission fier Loss Factor Level (dB) (dB) (dB) (dBuV/m) 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 Middle Channel:2441MHz 5.77 31.46 57.27 5.77 31.46 38.16 6.32 36.15 61.26 6.32 36.15 43.40 7.45 37.76 63.55 7.45 37.76 45.52 8.99 39.10 66.16 8.99 39.10 48.23 5.77 31.46 58.63 5.77 31.46 38.19 6.32 36.15 64.80 6.32 36.15 43.43 7.45 37.76 66.92 7.45 37.76 45.65 8.99 39.10 66.23 8.99 39.10 47.56 Limits (dBuV/m) 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 Margin (dB) Detector Type -16.73 Pk -15.84 AV -12.74 Pk -10.60 AV -10.45 Pk -8.48 AV -7.84 Pk -5.77 AV -15.37 Pk -15.81 AV -9.20 Pk -10.57 AV -7.08 Pk -8.35 AV -7.77 Pk -6.44 AV Project No.:ZKT-240311L2405E Page 24 of 40 Polar (H/V) V V V V V V V V H H H H H H H H Frequency (MHz) 4960.00 4960.00 7440.00 7440.00 9920.00 9920.00 12400.00 12400.00 4960.00 4960.00 7440.00 7440.00 9920.00 9920.00 12400.00 12400.00 Meter Reading (dBuV) 49.71 31.25 52.22 31.57 52.22 32.06 52.22 31.46 49.80 31.47 51.39 31.73 51.96 31.83 51.89 31.83 Pre-ampli Cable Antenna Emission fier Loss Factor Level (dB) (dB) (dB) (dBuV/m) 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 High Channel:2480MHz 5.77 31.79 56.72 5.77 31.79 38.26 6.32 36.38 64.59 6.32 36.38 43.94 7.45 36.50 65.32 7.45 36.50 45.16 8.99 39.11 69.30 8.99 39.11 48.54 5.77 31.79 56.81 5.77 31.79 38.48 6.32 36.38 63.76 6.32 36.38 44.10 7.45 36.50 65.06 7.45 36.50 44.93 8.99 39.11 68.97 8.99 39.11 48.91 Limits (dBuV/m) 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 Margin (dB) Detector Type -17.28 Pk -15.74 AV -9.41 Pk -10.06 AV -8.68 Pk -8.84 AV -4.70 Pk -5.46 AV -17.19 Pk -15.52 AV -10.24 Pk -9.90 AV -8.94 Pk -9.07 AV -5.03 Pk -5.09 AV Remark: 1. Emission Level = Meter Reading + Antenna Factor + Cable Loss Pre-amplifier, Margin= Emission Level - Limit 2. If peak below the average limit, the average emission was no test. 3. The amplitude of spurious emissions which are attenuated by more than 20dB below the permissible value has no need to be reported. Polar Frequency (H/V) (MHz) V 4804.00 V 4804.00 V 7206.00 V 7206.00 V 9608.00 V 9608.00 V 12010.00 V 12010.00 H 4804.00 H 4804.00 H 7206.00 H 7206.00 H 9608.00 H 9608.00 H 12010.00 H 12010.00 Meter Reading (dBuV) 50.78 30.54 48.57 31.49 48.57 31.05 48.67 30.95 51.12 30.97 49.87 31.18 49.89 31.20 49.92 30.21 Pre-ampli fier /4-DQPSK Cable Antenna Loss Factor Emission Level (dB) (dB) (dB) (dBuV/m) 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 Low Channel:2402MHz 5.77 31.12 57.12 5.77 31.12 36.88 6.32 36.04 60.60 6.32 36.04 43.52 7.45 37.58 62.75 7.45 37.58 45.23 8.99 39.10 65.74 8.99 39.10 48.02 5.77 31.12 57.46 5.77 31.12 37.31 6.32 36.04 61.90 6.32 36.04 43.21 7.45 37.58 64.07 7.45 37.58 45.38 8.99 39.10 66.99 8.99 39.10 47.28 Project No.:ZKT-240311L2405E Page 25 of 40 Limits (dBuV/m) Margin (dB) Detector Type 74.00 -16.88 Pk 54.00 -17.12 AV 74.00 -13.40 Pk 54.00 -10.48 AV 74.00 -11.25 Pk 54.00 -8.77 AV 74.00 -8.26 Pk 54.00 -5.98 AV 74.00 -16.54 Pk 54.00 -16.69 AV 74.00 -12.10 Pk 54.00 -10.79 AV 74.00 -9.93 Pk 54.00 -8.62 AV 74.00 -7.01 Pk 54.00 -6.72 AV Polar (H/V) V V V V V V V V H H H H H H H H Frequency (MHz) 4882.00 4882.00 7323.00 7323.00 9764.00 9764.00 12205.00 12205.00 4882.00 4882.00 7323.00 7323.00 9764.00 9764.00 12205.00 12205.00 Meter Reading (dBuV) 50.50 31.39 49.20 31.22 49.28 31.24 49.26 31.25 51.76 31.52 52.47 31.32 52.67 31.37 53.22 31.30 Pre-ampli Cable Antenna Emission fier Loss Factor Level (dB) (dB) (dB) (dBuV/m) 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 Middle Channel:2441MHz 5.77 31.46 57.18 5.77 31.46 38.07 6.32 36.15 61.34 6.32 36.15 43.36 7.45 37.76 63.64 7.45 37.76 45.60 8.99 39.10 66.33 8.99 39.10 48.32 5.77 31.46 58.44 5.77 31.46 38.20 6.32 36.15 64.61 6.32 36.15 43.46 7.45 37.76 67.03 7.45 37.76 45.73 8.99 39.10 70.29 8.99 39.10 48.37 Limits (dBuV/m) 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 Margin (dB) Detector Type -16.82 Pk -15.93 AV -12.66 Pk -10.64 AV -10.36 Pk -8.40 AV -7.67 Pk -5.68 AV -15.56 Pk -15.80 AV -9.39 Pk -10.54 AV -6.97 Pk -8.27 AV -3.71 Pk -5.63 AV Project No.:ZKT-240311L2405E Page 26 of 40 Polar (H/V) V V V V V V V V H H H H H H H H Frequency (MHz) 4960.00 4960.00 7440.00 7440.00 9920.00 9920.00 12400.00 12400.00 4960.00 4960.00 7440.00 7440.00 9920.00 9920.00 12400.00 12400.00 Meter Reading (dBuV) 50.39 32.06 52.70 31.95 52.70 32.64 52.82 32.34 50.36 32.13 51.67 32.27 52.06 32.42 52.37 31.19 Pre-ampli Cable Antenna Emission fier Loss Factor Level (dB) (dB) (dB) (dBuV/m) 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 High Channel:2480MHz 5.77 31.79 57.40 5.77 31.79 39.07 6.32 36.38 65.07 6.32 36.38 44.32 7.45 36.50 65.80 7.45 36.50 45.74 8.99 39.11 69.90 8.99 39.11 49.42 5.77 31.79 57.37 5.77 31.79 39.14 6.32 36.38 64.04 6.32 36.38 44.64 7.45 36.50 65.16 7.45 36.50 45.52 8.99 39.11 69.45 8.99 39.11 48.27 Limits (dBuV/m) 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 Margin (dB) Detector Type -16.60 Pk -14.93 AV -8.93 Pk -9.68 AV -8.20 Pk -8.26 AV -4.10 Pk -4.58 AV -16.63 Pk -14.86 AV -9.96 Pk -9.36 AV -8.84 Pk -8.48 AV -4.55 Pk -5.73 AV Remark: 1. Emission Level = Meter Reading + Antenna Factor + Cable Loss Pre-amplifier, Margin= Emission Level - Limit 2. If peak below the average limit, the average emission was no test. 3. The amplitude of spurious emissions which are attenuated by more than 20dB below the permissible value has no need to be reported. Project No.:ZKT-240311L2405E Page 27 of 40 Polar (H/V) V V V V V V V V H H H H H H H H Frequency (MHz) 4804.00 4804.00 7206.00 7206.00 9608.00 9608.00 12010.00 12010.00 4804.00 4804.00 7206.00 7206.00 9608.00 9608.00 12010.00 12010.00 Meter Reading (dBuV) 50.68 30.46 47.35 31.46 48.72 31.03 48.51 30.40 50.82 30.65 49.55 31.03 49.77 30.92 50.00 29.98 Pre-ampli fier 8-DPSK Cable Antenna Loss Factor Emission Level (dB) (dB) (dB) (dBuV/m) 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 Low Channel:2402MHz 5.77 31.12 57.02 5.77 31.12 36.80 6.32 36.04 59.38 6.32 36.04 43.49 7.45 37.58 62.90 7.45 37.58 45.21 8.99 39.10 65.58 8.99 39.10 47.47 5.77 31.12 57.16 5.77 31.12 36.99 6.32 36.04 61.58 6.32 36.04 43.06 7.45 37.58 63.95 7.45 37.58 45.10 8.99 39.10 67.07 8.99 39.10 47.05 Limits (dBuV/m) 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 Margin (dB) -16.98 -17.20 -14.62 -10.51 -11.10 -8.79 -8.42 -6.53 -16.84 -17.01 -12.42 -10.94 -10.05 -8.90 -6.93 -6.95 Detector Type Pk AV Pk AV Pk AV Pk AV Pk AV Pk AV Pk AV Pk AV Polar (H/V) V V V V V V V V H H H H H H H H Frequency (MHz) 4882.00 4882.00 7323.00 7323.00 9764.00 9764.00 12205.00 12205.00 4882.00 4882.00 7323.00 7323.00 9764.00 9764.00 12205.00 12205.00 Meter Reading (dBuV) 49.14 30.12 47.06 29.95 48.14 30.20 48.04 30.35 50.51 30.25 51.45 29.97 51.40 30.67 52.57 30.11 Pre-ampli Cable Antenna Emission fier Loss Factor Level (dB) (dB) (dB) (dBuV/m) 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 Middle Channel:2441MHz 5.77 31.46 55.82 5.77 31.46 36.80 6.32 36.15 59.20 6.32 36.15 42.09 7.45 37.76 62.50 7.45 37.76 44.56 8.99 39.10 65.11 8.99 39.10 47.42 5.77 31.46 57.19 5.77 31.46 36.93 6.32 36.15 63.59 6.32 36.15 42.11 7.45 37.76 65.76 7.45 37.76 45.03 8.99 39.10 69.64 8.99 39.10 47.18 Limits (dBuV/m) 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 Margin (dB) Detector Type -18.18 Pk -17.20 AV -14.80 Pk -11.91 AV -11.50 Pk -9.44 AV -8.89 Pk -6.58 AV -16.81 Pk -17.07 AV -10.41 Pk -11.89 AV -8.24 Pk -8.97 AV -4.36 Pk -6.82 AV Project No.:ZKT-240311L2405E Page 28 of 40 Polar (H/V) V V V V V V V V H H H H H H H H Frequency (MHz) 4960.00 4960.00 7440.00 7440.00 9920.00 9920.00 12400.00 12400.00 4960.00 4960.00 7440.00 7440.00 9920.00 9920.00 12400.00 12400.00 Meter Reading (dBuV) 49.05 30.21 51.30 30.48 51.37 31.20 50.90 30.54 49.08 30.74 50.57 31.01 51.23 32.00 51.19 31.12 Pre-ampli Cable Antenna Emission fier Loss Factor Level (dB) (dB) (dB) (dBuV/m) 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 30.55 30.55 30.33 30.33 30.85 30.85 31.02 31.02 High Channel:2480MHz 5.77 31.79 56.06 5.77 31.79 37.22 6.32 36.38 63.67 6.32 36.38 42.85 7.45 36.50 64.47 7.45 36.50 44.30 8.99 39.11 67.98 8.99 39.11 47.62 5.77 31.79 56.09 5.77 31.79 37.75 6.32 36.38 62.94 6.32 36.38 43.38 7.45 36.50 64.33 7.45 36.50 45.10 8.99 39.11 68.27 8.99 39.11 48.20 Limits (dBuV/m) 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 Margin (dB) Detector Type -17.94 Pk -16.78 AV -10.33 Pk -11.15 AV -9.53 Pk -9.70 AV -6.02 Pk -6.38 AV -17.91 Pk -16.25 AV -11.06 Pk -10.62 AV -9.67 Pk -8.90 AV -5.73 Pk -5.80 AV Remark: 1. Emission Level = Meter Reading + Antenna Factor + Cable Loss Pre-amplifier, Margin= Emission Level - Limit 2. If peak below the average limit, the average emission was no test. 3. The amplitude of spurious emissions which are attenuated by more than 20dB below the permissible value has no need to be reported. 5. BANDWIDTH OF FREQUENCY BAND EDGE Project No.:ZKT-240311L2405E Page 29 of 40 5.1 TEST REQUIREMENT: Test Requirement: Test Method: FCC Part15 C Section 15.209 and 15.205 ANSI C63.10: 2013 Test Frequency Range: Test site: All of the restrict bands were tested, only the worst band's (2310MHz to 2500MHz) data was showed. Measurement Distance: 3m Receiver setup: Frequency Above 1GHz Detector Peak Average RBW 1MHz 1MHz VBW 3MHz 3MHz Value Peak Average Emissions radiated outside of the specified frequency bands, except for harmonics, shall be attenuated by at least 50 dB below the level of the fundamental or to the general radiated emission limits in § 15.209, whichever is the lesser attenuation 5.2 TEST PROCEDURE Above 1GHz test procedure as below: a. 1. The EUT was placed on the top of a rotating table 1.5 meters above the ground at a 3 meter camber. The table was rotated 360 degrees to determine the position of the highest radiation. b. The EUT was set 3 meters away from the interference-receiving antenna, which was mounted on the top of a variable-height antenna tower. c. The antenna height is varied from one meter to four meters above the ground to determine the maximum value of the field strength. Both horizontal and vertical polarizations of the antenna are set to make the measurement. d. For each suspected emission, the EUT was arranged to its worst case and then the antenna was tuned to heights from 1 meter to 4 meters and the rota table was turned from 0 degrees to 360 degrees to find the maximum reading. e. The test-receiver system was set to Peak Detect Function and Specified Bandwidth with Maximum Hold Mode. f. If the emission level of the EUT in peak mode was 10dB lower than the limit specified, then testing could be stopped and the peak values of the EUT would be reported. Otherwise the emissions that did not have 10dB margin would be re-tested one by one using peak, quasi-peak or average method as specified and then reported in a data sheet. g. Test the EUT in the lowest channel, the Highest channel Note: Both horizontal and vertical antenna polarities were tested and performed pretest to three orthogonal axis. The worst case emissions were reported 5.3 DEVIATION FROM TEST STANDARD No deviation 5.4 TEST SETUP Radiated Emission Test-Up Frequency Above 1GHz Project No.:ZKT-240311L2405E Page 30 of 40 5.5 EUT OPERATING CONDITIONS The EUT tested system was configured as the statements of 2.3 Unless otherwise a special operating condition is specified in the follows during the testing. 5.6 TEST RESULT Project No.:ZKT-240311L2405E Page 31 of 40 Temperature Pressure Test Mode 26 101 kPa TX Mode-GFSK-Worst Case Relative Humidity 54% Test Voltage AC 120V/60Hz 2402MHz Horizontal 2402MHz Vertical Project No.:ZKT-240311L2405E Page 32 of 40 Project No.:ZKT-240311L2405E Page 33 of 40 Temperature Pressure Test Mode 26 101 kPa TX Mode-GFSK-Worst Case Relative Humidity 54% Test Voltage AC 120V/60Hz 2480MHz Horizontal 2480MHz Vertical Project No.:ZKT-240311L2405E Page 34 of 40 6. CHANNEL BANDWIDTH Project No.:ZKT-240311L2405E Page 35 of 40 Test Requirement: Test Method: FCC Part15 C Section 15.249/15.215 ANSI C63.10: 2013 6.1 APPLIED PROCEDURES / LIMIT Section 15.249(c) FCC Part15 (15.249) , Subpart C Test Item Frequency Range (MHz) Bandwidth 2400-2483.5 Result PASS 6.2 TEST PROCEDURE 1. Set resolution bandwidth (RBW) = 30kHz. 2. Set the video bandwidth (VBW) 3 x RBW. 3. Detector = Peak. 4. Trace mode = max hold. 5. Sweep = auto couple. 6. Allow the trace to stabilize. 7. Measure the maximum width of the emission that is constrained by the frequencies associated with the two outermost amplitude points (upper and lower) that are attenuated by 20 dB relative to the maximum level measured in the fundamental emission. 6.3 DEVIATION FROM STANDARD No deviation. 6.4 TEST SETUP 6.5 EUT OPERATION CONDITIONS The EUT tested system was configured as the statements of 2.4 Unless otherwise a special operating condition is specified in the follows during the testing. 6.6 TSET RESULTS Temperature Test Mode 26 GFSK, /4-DQPSK, 8-DPSK Project No.:ZKT-240311L2405E Page 36 of 40 Relative Humidity 54% Test Voltage AC 120V/60Hz Mode GFSK /4-DQPSK 8-DPSK Test channel Lowest Middle Highest Lowest Middle Highest Lowest Middle Highest 20dB Emission Bandwidth (MHz) 0.992 1.024 1.036 1.268 1.287 1.28 1.234 1.256 1.253 Result Pass Pass Pass GFSK Test plots Project No.:ZKT-240311L2405E Page 37 of 40 /4-DQPSK Lowest channel Middle channel Highest channel 8-DPSK Project No.:ZKT-240311L2405E Page 38 of 40 Lowest channel Middle channel Highest channel 7.ANTENNA REQUIREMENT Project No.:ZKT-240311L2405E Page 39 of 40 Standard requirement: FCC Part15 C Section 15.203 15.203 requirement: An intentional radiator shall be designed to ensure that no antenna other than that furnished by the responsible party shall be used with the device. The use of a permanently attached antenna or of an antenna that uses a unique coupling to the intentional radiator, the manufacturer may design the unit so that a broken antenna can be replaced by the user, but the use of a standard antenna jack or electrical connector is prohibited. EUT Antenna: The antennas are PCB antenna, the best case gain of the antennas are 2.499dBi, reference to the appendix II for details Project No.:ZKT-240311L2405E Page 40 of 40 8. TEST SETUP PHOTO Reference to the appendix I for details. 9. EUT CONSTRUCTIONAL DETAILS Reference to the appendix II for details. END OF REPORT
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