JAPAN MIC Test Report

4, Songju-ro 236beon-gil, Yangji-myeon, Cheoin-gu, Yongin-city, Gyeonggi- do 449-822, KOREA

Tel: +82-31-323-6008 Fax: +82-31-323-6010 http://www.ltalab.com

Dates of Tests: June 17,2021 ~ July 14, 2021 Test Report S/N: LR500172107S

Test Site : LTA CO., LTD.

JAPAN MIC Test Report

Model No.

APPLICANT

Device Category : Data transmission equipment

Manufacturing Description : Electronic Shelf Label

Manufacturer : SUZHOU NIHONE Electronics Technology Co., LTD

Model name : REBE-TZ29C

Test Device Serial No.: : Identical prototype

Rule Part(s) : Article 2, Paragraph 1, item 19

Frequency Range : 2405 MHz ~ 2480 MHz - Zigbee

Data of issue : July 15, 2021

This test report is issued under the authority of: The test was supervised by:

Ja-Beom Koo, Manager Jae-Huem, Yun, Test Engineer

This test report is prepared according to the requirements of ISO / IEC 17025.

In the configuration tested, the EUT complied with the standards specified above.

REBE-TZ29C ATEC IoT CO., LTD.

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Revision history

Revision Date of issue Description Revised by

- July 15, 2021 Initial -

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TABLE OF CONTENTS

1. General information --- 4

2. Information about test item --- 5

3. Test Report --- 6

4. Frequency tolerance--- 7

5. Occupied bandwidth (99%) & Spread Bandwidth (90%)--- 9

6. Antenna power--- 12

7. Unwanted emission strength--- 13

8. RX spurious emission--- 19

9. Interference prevention function--- 21

10, CONSTRUCTION PROTECTION CONFIRMATION METHOD--- 22 APPENDIX--- APPENDIX TEST EQUIPMENT USED FOR TESTS---

22 23

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1. General information

1-1 Test Performed

Company name : LTA Co., Ltd.

Address : 4, Songju-ro 236beon-gil, Yangji-myeon, Cheoin-gu Yongin-city, Gyeonggi-do, 17159, KOREA

Web site : http://www.ltalab.com

E-mail : [email protected]

Telephone : +82-31-323-6008

Facsimile +82-31-323-6010

Quality control in the testing laboratory is implemented as per ISO/IEC 17025 which is the “General requirements for the competents of calibration and testing laboratory”.

1-2 Accredited agencies

LTA Co., Ltd. is approved to perform EMC testing by the following agencies:

Agency Country Accreditation No. Validity Reference

NVLAP U.S.A 200723-0 2021-09-30 ECT accredited Lab.

RRA KOREA KR0049 - EMC accredited Lab.

FCC U.S.A 649054 2023-01-25 FCC CAB

VCCI JAPAN C-4948, 2023-09-10 VCCI registration

VCCI JAPAN T-2416, 2023-09-10 VCCI registration

VCCI JAPAN R-4483(10 m), 2023-08-15 VCCI registration

VCCI JAPAN G-847 2021-12-13 VCCI registration

IC CANADA 5799A-1 2022-10-18 IC filing

KOLAS KOREA NO.551 2021-08-20 KOLAS accredited Lab.

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2. Information about test item

2-1 Client & Manufacturer

Client Company name : ATEC IoT CO., LTD.

Address

: 289, Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea

Tel / Fax : +82-10-4729-9751 / +82-31-696-9899

Manufacturer SUZHOU NIHONE Electronics Technology Co., LTD

Address No. 185,Xiaoxiang Road, Suzhou New District, Suzhou City, Jiangsu Province, P.R. China

Tel / Fax +82-10-4729-9751 / +82-31-696-9899

2-3 Equipment Under Test (EUT)

Trade name : ATEC IoT CO., LTD.

Model name : REBE-TZ29C

Date of receipt : June 17, 2020

EUT condition : Pre-production, not damaged

Antenna type : PCB Antenna (Max Gain : -5.73 dBi) Frequency Range : 2405 MHz ~ 2480 MHz

RF output power : 1.11 mW Number of channels : 16 ch

Type of Modulation : DSSS, O-QPSK Power source : DC 3 V

Firmware Version : V 1.0.0

2-4 Tested frequency

EN 300 328 LOW MID HIGH

Frequency (MHz) 2405 2440 2480

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3. Test Report

3.1 Summary of tests

Section in

Radio equipment regulations Description of Test ^Results

RE 5 Table No. 1 Frequency Tolerance C

RE 6 Table No. 2 Occupied Bandwidth (99%) & Spread Bandwidth (90%) C

RE 14, RE 49.20 Antenna power C

RE 7 Unwanted emission strength C

RE 24 RX spurious emission C

RLE 6-2, RE 9-4 Interference Prevention Function C

Note 1: C=Complies NC=Not Complies NT=Not Tested NA=Not Applicable Standard: Article 2, Paragraph 1, item 19.

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4 Frequency tolerance

4.1 Test setup

4.2 Limit

± 50 × 10 ^-6 (50 ppm or below) 4.3 Test procedure

The transmitter output is connected to the Spectrum analyzer Setting the spectrum analyzer is as follows.

Center frequency Operating frequency

Resolution BW 10 KHz

Video BW 10 KHz

Span 1 MHz

Sweep time Auto

Detector mode Positive peak

Trace mode Max. hold

EUT Attenuator Spectrum

Anlyzer

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4.4 Test results

Ambient temperature: 24℃ Relative humidity: 50% R.H

Test mode : Zigbee

Voltage Measurement

Frequency Frequency tolerance Result Limit

V MHz MHz ppm Pass

50 ppm V _high

2405 2,405.063 26.20 Pass

2440 2,439.934 -27.05 Pass

2480 2,480.045 18.15 Pass

V nomal

2405 2,405.049 20.37 Pass

2440 2,439.952 -19.67 Pass

2480 2,480.033 13.31 Pass

V _low

2405 2,405.070 29.11 Pass

2440 2,439.962 -15.57 Pass

2480 2,480.041 16.53 Pass

* Remark

FT (ppm) = [(Measured value ㎒) –Operating frequency(㎒))/ Operating frequency(㎒)] × 10^6

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5 . Occupied bandwidth (99%) & Spread Bandwidth (90%)

5.1 Test setup

5.2 Limit

Occupied Bandwidth (99%): 26 ㎒ or less

Spread Bandwidth (90%) 500 kHz more

5.3 Test procedure

The transmitter output is connected to the Spectrum analyzer Setting the spectrum analyzer is as follows.

Center frequency Operating frequency

Resolution BW 300 KHz

Video BW 300 KHz

Span 5 MHz

Sweep time Auto

Detector mode Positive peak

Trace mode Max. hold

EUT Attenuator Spectrum

Anlyzer

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5.4 Test results

Ambient temperature: 24℃ Relative humidity: 50% R.H.

Test mode : Zigbee

Voltage 2 405 MHz 2 440 MHz 2 480 MHz

Result Limit

99 % (MHz) 99 % (MHz) 99 % (MHz)

V _high 2.56 2.50 2.55 Pass 26 MHz

Or Less

V _nomal 2.56 2.50 2.56 Pass

V _low 2.56 2.51 2.56 Pass

Voltage 90 % (MHz) 90 % (MHz) 90 % (MHz) Result Limit

V _high 1.55 1.55 1.55 Pass 500 kHz

Or More

V _nomal 1.55 1.55 1.55 Pass

V low 1.55 1.55 1.55 Pass

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Test Mode : 99% / Low,Middle,High (Nomal Voltage) Test Mode : 90% / Low,Middle,High (Nomal Voltage)

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6. Antenna power

6.1 Test setup

6.2 Limit

Output power 0.01 W or Below

Output power tolerance 500 kHz more

6.3 Test procedure

The transmitter output is connected to the Power meter Setting the EUT is operating frequency.

6.4 Test results

Ambient temperature: 24℃ Relative humidity: 50% R.H.

Test mode : Zigbee Result : Pass

Voltage Frequency (MHz) Measure value

Power tolerance (%) (mW/MHz)

V high

2 405 1.09 9.40

2 440 1.11 10.92

2 480 1.08 7.89

V _nomal

2 405 1.07 7.40

2 440 1.09 9.14

2 480 1.06 6.41

V _low

2 405 1.09 8.89

2 440 1.10 10.15

2 480 1.08 8.39

Declared power (mW/MHz) 1.00

Antenna gain (dBi) -5.73 dBi

Limit -80 ~ 20 %

Remark: Power tolerance (%) = {[Output power- Declared power] ÷ Declared power} ×100

EUT Attenuator Spectrum

Anlyzer

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7 . Unwanted emission strength

7.1 Test setup

7.2 Limi

Spurious Emission/Unwanted Emission Strength Spurious area

30 MHz ~ 2387 MHz : 2.5 uW/MHz or less 2387 MHz ~ 2400 MHz : 25 uW/MHz or less 2483.5 MHz ~ 2496.5 MHz : 25 uW/MHz or less 2496.5 MHz ~ 12.5 GHz : 2.5 uW/MHz or less

7.3 Test procedure

Connect transmitter output to the spectrum analyzer input port.

The EUT should be transmitting at hopping mode

Unwanted emission strength is measured by following setting:

Set the spectrum analyzer RBW: 1 ㎒, VBW: same as RBW

Sweep time : auto, Start : 30 ㎒, Stop : 2387 ㎒. Sweep mode: single and mark highest level.

Set the spectrum analyzer RBW: 1 ㎒, VBW: 1 ㎒, Sweep time: auto, Start: 2 387 ㎒, Stop: 2 400 ㎒. Sweep mode:

single and mark highest level.

Set the spectrum analyzer RBW: 1 ㎒, VBW: 1 ㎒, Sweep time: auto, Start: 2 483.5 ㎒, Stop: 2 496.5 ㎒ Sweep mode: single and mark highest level.

Set the spectrum analyzer RBW: 1 ㎒, VBW: 1 ㎒, Sweep time: auto, Start: 2 496.5 ㎒, Stop: 12.5 ㎓. Sweep mode:

single and mark highest level.

Detector mode: Peak mode.

EUT Attenuator Spectrum

Anlyzer

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Ambient temperature: 24℃ Relative humidity: 50% R.H.

Test mode : Zigbee Result : Pass

Voltage Measurement Frequency

Frequency

Range Result Limit

V MHz MHz MHz dBm uW uW

V _high

2405

30 ~ 2387 2341.19 -46.55 0.0221 2.5 2387 ~ 2400 2399.21 -37.62 0.1728 25 2483.5 ~ 2496.5 2484.39 -45.05 0.0312 25 2496.5 ~ 12500 6994.11 -48.34 0.0147 2.5

2440

30 ~ 2387 2375.40 -45.63 0.0273 2.5 2387 ~ 2400 2389.38 -45.83 0.0261 25 2483.5 ~ 2496.5 2491.46 -46.19 0.0240 25 2496.5 ~ 12500 2519.08 -45.42 0.0287 2.5

2480

30 ~ 2387 2385.80 -51.71 0.0067 2.5 2387 ~ 2400 2398.25 -45.08 0.0310 25 2483.5 ~ 2496.5 2484.02 -30.98 0.7980 25 2496.5 ~ 12500 2561.70 -45.64 0.0273 2.5

V _nomal

2405

30 ~ 2387 2377.10 -46.66 0.0216 2.5

2387 ~ 2400 2399.91 -37.84 0.1644 25

2483.5 ~ 2496.5 2484.09 -45.27 0.0297 25 2496.5 ~ 12500 6993.50 -48.55 0.0140 2.5

2440

30 ~ 2387 2375.10 -45.85 0.0260 2.5

2387 ~ 2400 2388.87 -45.96 0.0254 25

2483.5 ~ 2496.5 2490.95 -46.32 0.0233 25 2496.5 ~ 12500 2518.50 -45.56 0.0278 2.5

2480

30 ~ 2387 2385.30 -51.84 0.0090 2.5

2387 ~ 2400 2399.76 -45.33 0.0265 25

2483.5 ~ 2496.5 2483.52 -31.23 0.0352 25 2496.5 ~ 12500 2561.50 -45.76 0.0020 2.5

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Voltage Measurement Frequency

Frequency

Range Result Limit

V MHz MHz MHz dBm uW uW

V _low

2405

30 ~ 2387 2341.29 -46.48 0.0225 2.5 2387 ~ 2400 2399.91 -37.84 0.1644 25 2483.5 ~ 2496.5 2484.24 -45.15 0.0306 25 2496.5 ~ 12500 6993.88 -48.38 0.0145 2.5

2440

30 ~ 2387 2375.42 -45.65 0.0272 2.5 2387 ~ 2400 2388.87 -45.96 0.0254 25 2483.5 ~ 2496.5 2491.19 -46.08 0.0247 25 2496.5 ~ 12500 2518.97 -45.40 0.0289 2.5

2480

30 ~ 2387 2385.69 -51.61 0.0069 2.5 2387 ~ 2400 2399.77 -45.33 0.0293 25 2483.5 ~ 2496.5 2484.10 -31.12 0.7735 25 2496.5 ~ 12500 2561.92 -45.61 0.0275 2.5

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Test Mode : Low (Nomal Voltage)

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Test Mode :Middle (Nomal Voltage)

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Test Mode :High (Nomal Voltage)

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8. RX spurious emission

8.1 Test setup

8.2 Limit

Below 1 GHz 4 nW (-55 dBm) or less

Above 1 GHz 20 nW (-48 dBm) or less

8.3 Test procedure

Connect transmitter output to the spectrum analyzer input port.

The EUT should be transmitting at hopping mode RX spurious emission is measured by following setting::

Set the spectrum analyzer RBW: 100 ㎑, VBW: 100 ㎑, Sweep: Auto, Start: 30 ㎒, Stop: 1 000 ㎒ Max hold view, mark highest level.

Set the spectrum analyzer RBW: 1 ㎒, VBW: 1 ㎒, Sweep: Auto, Start: 1 000 ㎒, Stop: 12.5 ㎓. Max hold view, mark highest level.

Detector mode: Peak mode

EUT Attenuator Spectrum

Anlyzer

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Ambient temperature: 24℃ Relative humidity: 50% R.H

Test mode : Zigbee Result : Pass

Voltage Measurement Frequency

Frequency

Result Limit

Range

V MHz MHz MHz dBm nW nW

V _high

2405

30 ~ 1000 871.79 -67.20 0.000191 4 1000 ~ 12750 2484.91 -54.09 0.003896 20

2440

30 ~ 1000 877.32 -67.71 0.000169 4 1000 ~ 12750 2484.37 -53.09 0.004914 20

2480

30 ~ 1000 879.34 -67.21 0.000190 4 1000 ~ 12750 2487.47 -53.74 0.004224 20

V nomal

2405

30 ~ 1000 870.61 -67.41 0.000182 4

1000 ~ 12750 2483.85 -54.32 0.003698 20

2440

30 ~ 1000 876.32 -67.85 0.000164 4

1000 ~ 12750 2484.09 -53.26 0.004721 20

2480

30 ~ 1000 878.24 -67.38 0.000183 4

1000 ~ 12750 2486.29 -53.85 0.004121 20

V _low

2405

30 ~ 1000 871.64 -67.20 0.000190 4 1000 ~ 12750 2484.37 -54.09 0.003901 20

2440

30 ~ 1000 877.03 -67.71 0.000169 4 1000 ~ 12750 2484.69 -53.12 0.004880 20

2480 30 ~ 1000 878.58 -67.30 0.000186 4 1000 ~ 12750 2487.06 -53.63 0.004334 20

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9 Interference prevention function

9.1 Test Setup

9.2 Limit

Radio equipment used mainly on the same premised and automatically transmits or receives identification code

9.3 Test results

Ambient temperature: 24℃ Relative humidity: 50% R.H.

Test Power: Normal Voltage

Test Mode: Zigbee

Test Result: Good (identification code: [0x1122])

EUT Attenuator Spectrum

Anlyzer

Modulator Attenuator EUT

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10.1 Limit

(See Article 49-20, Item1-a of the Ordinance Regulating Radio Equipment)

The high-frequency section and modulation section of the radio equipment except for the antenna system shall not be capable of being opened easily.

10.2 CONFIRMATION METHOD

The RF and modulation portions are protected against illegal modification as following method:

Tick the appropriate box

1. Sealed with special screws.

2. Plastic chassis is being welded using ultrasonic waves.

3. Chassis is glued using a special adhesive.

4. Metal covers are spot-fused.

X 5. Cover is specially interlocked.

6. RF and Moduleation components are covered with shielding case and this shielding case is soldered.

7. Shield case is welded at RF and modulation parts, and ID-ROM is welded using the BGA Method.

8. Shield case is welded at RF and modulation parts, and ID-ROM is glued at its lead with a special adhesive

9. Shield case is welded at RF and modulation parts, and ID-ROM is guled with a non-transparent laminating agent.

10.RF and Moduleation parts are mounted on PCB with surface mount technology, and there is no any adjustable part on PCB or adjustable parts are not exposed.

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APPENDIX

TEST EQUIPMENT USED FOR TESTS

Use Description Model No. Serial No. Manufacturer Interval Next Cal. Date 1 ■ Signal Analyzer (9 kHz ~ 30 GHz) FSV30 100757 R&S 1 year 2021-09-06

2 ■ Signal Generator (~3.2 GHz) 8648C 3623A02597 HP 1 year 2022-03-16

3 SYNTHESIZED CW GENERATOR 83711B US34490456 HP 1 year 2022-03-16

4 Attenuator (3 dB) 8491A 37822 HP 1 year 2021-09-06

5 Attenuator (10 dB) 8491A 63196 HP 1 year 2021-09-06

6 EMI Test Receiver (~7 GHz) ESCI7 100722 R&S 1 year 2021-09-06

7 RF Amplifier (~1.3 GHz) 8447D OPT 010 2944A07684 HP 1 year 2021-09-06

8 RF Amplifier (1~26.5 GHz) 8449B 3008A02126 HP 1 year 2022-03-16

9 Horn Antenna (1~18 GHz) 3115 00114105 ETS 2 year 2022-09-06

10 DRG Horn (Small) 3116B 81109 ETS-Lindgren 2 year 2022-03-18

11 DRG Horn (Small) 3116B 133350 ETS-Lindgren 2 year 2022-03-18

12 TRILOG Antenna VULB 9160 9160-3237 SCHWARZBECK 2 year 2023-03-20

13 Temp.Humidity Data Logger SK-L200TH II A 00801 SATO 1 year 2022-03-16

14 Splitter (SMA) ZFSC-2-2500 SF617800326 Mini-Circuits - -

15 ■ DC Power Supply 6674A 3637A01657 Agilent - -

17 ■ Power Meter EPM-441A GB32481702 HP 1 year 2022-03-16

18 ■ Power Sensor 8481A 3318A94972 HP 1 year 2021-09-06

19 Audio Analyzer 8903B 3729A18901 HP 1 year 2021-09-06

20 Moduleation Analyzer 8901B 3749A05878 HP 1 year 2021-09-06

21 ■ TEMP & HUMIDITY Chamber YJ-500 LTAS06041 JinYoung Tech 1 year 2021-09-06

22 Stop Watch HS-3 812Q08R CASIO 2 year 2022-03-18

23 LISN KNW-407 8-1430-1 Kyoritsu 1 year 2021-09-06

24 Two-Lime V-Network ESH3-Z5 893045/017 R&S 1 year 2022-03-16

25 UNIVERSAL RADIO

COMMUNICATION TESTER CMU200 106243 R&S 1 year 2022-03-16

26 Highpass Filter WHKX1.5/15G-10SS 74 Wainwright Instruments 1 year 2022-03-16 27 Highpass Filter WHKX3.0/18G-10SS 118 Wainwright Instruments 1 year 2022-03-16

28 ■ OSP120 BASE UNIT OSP120 101230 R&S 1 year 2022-03-16

29 ■ Signal Generator(100 kHz ~ 40 GHz) SMB100A03 177621 R&S 1 year 2022-03-16

30 Signal Analyzer (10 Hz ~ 40 GHz) FSV40 101367 R&S 1 year 2022-03-16

31 Active Loop Antenna FMZB 1519 1519-031 SCHWARZBECK 2 year 2021-02-26

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