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Project No.:ZKT-211130L6532E

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FCC TEST REPORT

FCC ID:2A3U6-ATS-U1

Report Number. ................................ :

ZKT-211130L6532E

Date of Test .................................................

November 29, 2021 to December 06, 2021

Date of issue .................................... :

December 06, 2021

Total number of pages ......................

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 ............................ :

ANTTUS PTE. LTD.

Address .......................................... :

60 PAYA LEBAR ROAD #08-55 PAYA LEBAR SQUARE Singapore

409051

Manufacturer's name ..................... :

ANTTUS PTE. LTD.

Address .......................................... :

60 PAYA LEBAR ROAD #08-55 PAYA LEBAR SQUARE Singapore

409051

Test specification:

Standard ........................................... :

FCC CFR Title 47 Part 15 Subpart C Section 15.249

ANSI C63.10:2013

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: 2021-09-09

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 ................................... :

Audio Dongle

Trademark ...................................... :

ANTTUS

Model/Type reference ...................... :

ATS-U1,ATS-U2,ATS-T1,ATS-T2,ATS-A1,TS-A2,ATS-C1,ATS-C2

Battery ...............................................

N/A

Ratings ............................................. :

AC120V/60Hz

Summary of content (38 pages)

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Project No.:ZKT-211130L6532E Page 1 of 38 FCC TEST REPORT FCC ID:2A3U6-ATS-U1 Report Number................................. : ZKT-211130L6532E Date of Test ................................................. November 29, 2021 to December 06, 2021 Date of issue .................................... : December 06, 2021 Total number of pages ...................... 38 Test Result ..................................... : PASS Testing Laboratory............................ : Shenzhen ZKT Technology Co., Ltd.
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Project No.:ZKT-211130L6532E Page 2 of 38 Testing procedure and testing location: 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).....................
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Project No.:ZKT-211130L6532E Page 3 of 38 Table of Contents Page 1.VERSION 5 2.1SUMMARY OF TEST RESULTS 6 2.1.1 TEST FACILITY 7 2.1.2 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 4.1.
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Project No.:ZKT-211130L6532E Page 4 of 38 Page Table of Contents 6.5 EUT OPERATION CONDITIONS 6.6 TSET RESULTS 33 34 8.ANTENNA REQUIREMENT 37 9. TEST SETUP PHOTO 38 10.
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Project No.:ZKT-211130L6532E Page 5 of 38 1.VERSION Report No. ZKT-211130L6532E Version Description Approved Rev.
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Project No.:ZKT-211130L6532E Page 6 of 38 2.1SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.249) , Subpart C Standard Section Test Item Judgment FCC part 15.203 Antenna requirement PASS FCC part 15.207 AC Power Line Conducted Emission PASS FCC part 15.249 Fundamental &Radiated Spurious Emission Measurement PASS FCC part 15.215 (c) 20dB Channel Bandwidth PASS FCC part 15.
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Project No.:ZKT-211130L6532E Page 7 of 38 2.1.1 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 2.1.
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Project No.:ZKT-211130L6532E Page 8 of 38 3. GENERAL INFORMATION 3.1 GENERAL DESCRIPTION OF EUT Product Name: Audio Dongle Model No.: ATS-U1,ATS-U2,ATS-T1,ATS-T2,ATS-A1,TS-A2,ATS-C1,ATS-C2 Model Different.: All the same except colour and model name. Serial No.: N/A Hardware Version: HV1.0 Software Version: SV1.
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Project No.:ZKT-211130L6532E Page 9 of 38 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.
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Project No.:ZKT-211130L6532E Page 10 of 38 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 Mfr/Brand Model/Type No. Series No.
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Project No.:ZKT-211130L6532E Page 11 of 38 3.5 EQUIPMENTS LIST FOR ALL TEST ITEMS Radiation Test equipment Item 1 2 3 4 5 6 7 8 9 10 11 12 Equipment Manufacturer Type No. Spectrum Analyzer KEYSIGHT 9020A (9kHz-26.5GHz) Spectrum Analyzer Agilent E4446A (1GHz-40GHz) Test Receiver R&S ESCI7 (9kHz-7GHz) Bilog Antenna Schwarzbeck VULB9168 (30MHz-1400MHz) Horn Antenna SCHWARZBEC BBHA9120D (1GHz-18GHz) K Horn Antenna A.H.
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Project No.:ZKT-211130L6532E Page 12 of 38 4. EMC EMISSION TEST 4.1 CONDUCTED EMISSION MEASUREMENT 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) Limit (dBuV) Standard Quas -peak Average 0.15 -0.5 66 - 56 * 56 - 46 * FCC 0.50 -5.0 56.00 46.00 FCC 5.0 -30.0 60.00 50.
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Project No.:ZKT-211130L6532E Page 13 of 38 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.
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Project No.:ZKT-211130L6532E Page 14 of 38 4.1.6 TEST RESULTS Temperature： 26℃ Relative Humidity： 54% Pressure： 101kPa Phase : L Test Voltage ： AC 120V/60Hz 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.
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Project No.:ZKT-211130L6532E Page 15 of 38 Temperature： 26℃ Relative Humidity： 54% Pressure： 101kPa Phase : N Test Voltage ： AC 120V/60Hz 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.
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Project No.:ZKT-211130L6532E Page 16 of 38 4.2 RADIATED EMISSION MEASUREMENT Test Requirement: FCC Part15 C Section 15.209 Test Method: ANSI C63.10:2013 Test Frequency Range: 9kHz to 25GHz Test site: Measurement Distance: 3m Receiver setup: 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 Peak 1MHz 3MHz Peak Peak 1MHz 10Hz Average Above 1GHz 4.2.
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Project No.:ZKT-211130L6532E Page 17 of 38 (2) The tighter limit applies at the band edges. (3) Emission level (dBuV/m)=20log Emission level (uV/m). 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.
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Project No.:ZKT-211130L6532E Page 18 of 38 （B）Radiated Emission Test-Up Frequency 30MHz~1GHz （C）Radiated 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.
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Project No.:ZKT-211130L6532E Page 20 of 38 Temperature: 26℃ Relative Humidity: 54% Pressure: 101kPa Polarization: Vertical Test Voltage: AC 120V/60Hz 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.
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Project No.:ZKT-211130L6532E Page 21 of 38 Field Strength of The Fundamental Signal GFSK Peak value: Frequency (MHz) 2402.00 2402.00 2441.00 2441.00 2480.00 2480.00 Read Level (dBuV) 93.08 92.66 91.40 85.63 91.83 89.49 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 Preamp Factor (dB) 30.18 30.18 30.06 30.06 29.93 29.93 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 Preamp Factor (dB) 30.
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Project No.:ZKT-211130L6532E Page 22 of 38 8-DPSK Peak value: Frequency (MHz) 2402.00 2402.00 2441.00 2441.00 2480.00 2480.00 Read Level (dBuV) 92.09 90.92 90.77 85.08 92.40 88.55 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 Preamp Factor (dB) 30.18 30.18 30.06 30.06 29.93 29.93 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 Preamp Factor (dB) 30.18 30.18 30.06 30.06 29.93 29.
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Project No.:ZKT-211130L6532E Page 23 of 38 GFSK Cable Antenna Loss Factor Polar (H/V) Frequency Meter Reading Pre-ampli fier (MHz) (dBuV) (dB) V V V V V V V V H H H H H H H H 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 51.03 30.75 49.19 31.66 50.18 30.86 49.80 31.26 51.46 31.58 50.04 31.23 50.37 30.97 48.67 30.41 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.
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Project No.:ZKT-211130L6532E Page 24 of 38 Polar (H/V) V V V V V V V V H H H H H H H H Frequency Meter Reading Pre-ampli fier Cable Loss Antenna Factor Emission Level Limits Margin (MHz) (dBuV) (dB) (dB) (dB) (dBuV/m) (dBuV/m) (dB) 51.14 32.63 53.66 33.45 53.68 33.34 53.64 33.54 51.25 32.95 53.27 32.91 53.50 32.91 53.32 33.01 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 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.
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Polar (H/V) Frequency Meter Reading Pre-ampli fier (MHz) (dBuV) (dB) π/4-DQPSK Cable Antenna Loss Factor (dB) (dB) Project No.:ZKT-211130L6532E Page 25 of 38 Emission Level Limits Margin (dBuV/m) (dBuV/m) (dB) 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 -16.69 -16.93 -13.21 -10.29 -11.06 -8.58 -8.07 -5.79 -16.35 -16.50 -11.91 -10.60 -9.74 -8.43 -6.82 -6.
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Project No.:ZKT-211130L6532E Page 26 of 38 Polar (H/V) V V V V V V V V H H H H H H H H Frequency Meter Reading Pre-ampli fier Cable Loss Antenna Factor Emission Level Limits Margin (MHz) (dBuV) (dB) (dB) (dB) (dBuV/m) (dBuV/m) (dB) 50.33 31.83 52.67 32.12 52.67 32.61 52.77 31.81 50.35 32.02 51.84 32.30 52.53 32.38 52.44 31.36 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 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.
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Project No.:ZKT-211130L6532E Page 27 of 38 8-DPSK Cable Antenna Loss Factor Polar (H/V) Frequency Meter Reading Pre-ampli fier (MHz) (dBuV) (dB) V V V V V V V V H H H H H H H H 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 50.71 30.51 47.60 31.51 48.80 30.88 48.60 30.95 50.86 30.70 49.80 31.01 49.72 30.93 49.65 30.04 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.
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Project No.:ZKT-211130L6532E Page 28 of 38 Polar (H/V) V V V V V V V V H H H H H H H H Frequency Meter Reading Pre-ampli fier Cable Loss Antenna Factor Emission Level Limits Margin (MHz) (dBuV) (dB) (dB) (dB) (dBuV/m) (dBuV/m) (dB) 50.60 31.80 52.84 32.52 52.94 32.74 52.84 32.08 50.62 32.29 52.11 32.75 52.81 33.14 52.71 32.65 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 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00 74.
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Project No.:ZKT-211130L6532E Page 29 of 38 5. BANDWIDTH OF FREQUENCY BAND EDGE 5.1 TEST REQUIREMENT: Test Requirement: FCC Part15 C Section 15.209 and 15.205 Test Method: ANSI C63.10: 2013 Test Frequency Range: All of the restrict bands were tested, only the worst band’s (2310MHz to 2500MHz) data was showed.
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Project No.:ZKT-211130L6532E Page 30 of 38 Radiated Emission Test-Up Frequency Above 1GHz 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.
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Project No.:ZKT-211130L6532E Page 31 of 38 5.6 TEST RESULT Temperature： Pressure： Test Mode ： 26 ℃ 101 kPa TX Mode-GFSK-Worst Case Relative Humidity： 54% Test Voltage ： AC 120V/60Hz Peak value: Frequency (MHz) Read Level (dBuV) Antenna Factor (dB/m) Cable Loss (dB) Preamp Factor (dB) Level (dBuV/m) Limit Line (dBuV/m) Over Limit (dB) Polarization 2390.00 45.55 27.25 5.38 30.18 48.00 74.00 -26.00 Horizontal 2400.00 48.46 27.26 5.39 30.18 50.93 74.00 -23.07 Horizontal 2390.
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Project No.:ZKT-211130L6532E Page 32 of 38 Temperature： Pressure： Test Mode ： 26 ℃ 101 kPa TX Mode-GFSK-Worst Case Relative Humidity： 54% Test Voltage ： AC 120V/60Hz Peak value: Frequency (MHz) Read Level (dBuV) Antenna Factor (dB/m) Cable Loss (dB) Preamp Factor (dB) Level (dBuV/m) Limit Line (dBuV/m) Over Limit (dB) Polarization 2483.50 46.25 27.25 5.47 29.93 49.04 74.00 -24.96 Horizontal 2500.00 47.59 27.26 5.49 29.93 50.41 74.00 -23.59 Horizontal 2483.50 47.03 27.25 5.
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Project No.:ZKT-211130L6532E Page 33 of 38 6. CHANNEL BANDWIDTH Test Requirement: FCC Part15 C Section 15.249/15.215 Test Method: ANSI C63.10: 2013 6.1 APPLIED PROCEDURES / LIMIT FCC Part15 (15.249) , Subpart C Section Test Item 15.249(c) Bandwidth Frequency Range (MHz) 2400-2483.5 Result PASS 6.2 TEST PROCEDURE 1. Set resolution bandwidth (RBW) = 1-5% or DTS BW, not to exceed 100 kHz. 2. Set the video bandwidth (VBW) ≥ 3 x RBW. 3. Detector = Peak. 4. Trace mode = max hold. 5. Sweep = auto couple.
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Project No.:ZKT-211130L6532E Page 34 of 38 6.6 TSET RESULTS Temperature： 26℃ Relative Humidity： 54% Test Mode ： GFSK Test Voltage ： AC 120V/60Hz Mode GFSK π/4-DQPSK 8-DPSK Test channel 20dB Emission Bandwidth (MHz) Lowest 1.147 Middle 1.143 Highest 1.149 Lowest 1.425 Middle 1.43 Highest 1.43 Lowest 1.445 Middle 1.443 Highest 1.
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Project No.:ZKT-211130L6532E Page 37 of 38 8.ANTENNA REQUIREMENT 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.
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Project No.:ZKT-211130L6532E Page 38 of 38 9. TEST SETUP PHOTO Reference to the appendix I for details. 10. EUT CONSTRUCTIONAL DETAILS Reference to the appendix II for details.