Test Report Part 15B

FCC ID: SS4EF501X

Test Report

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FCCID_4183464

TEST REPORT DT&C Co., Ltd. m Dt &‘ 42, Yurim—ro, 154beon—gil, Cheoin—gu, Yongin—si, Gyeonggi—do, Korea 17042 Tel : 031—321—2664, Fax : 031—321—1664 1. Report No. : DREFCC1812—0337 2. Client / Applicant * Name : Bluebird Inc. +« Address : (Dogok—dong, SEI Tower 13,14)39, Eonjuro30—gil, Gangnam—gu, Seoul, South Korea 3. Use of Report : FCC Certification of Conformity Marking 4. Product Name / Model Name : Enterprise Full Touch Handheld Computer / EF501 5. Test Standard : ANSI C 63.4 : 2014 FCC Part 15 Subpart B (Class B personal computers and peripherals) 6. Date of Test : Dec. 18. 2018 ~ Dec. 19. 2018 7. Testing Environment : Temperature 19 °C , Humidity (37 ~ 39) % R.H. 8. Test Result : Refer to the attached Test Result Tested by Reviewed by Affirmationt Name : YongKi Kim (Zgneznc) |Name: JaeSeok Choi m:) The test results presented in this test report are limited only to the sample supplied by applicant and the use of this test report is inhibited other than its purpose. This test report shall not be reproduced except in full, without the written approval of DT&C Co., Ltd. Dec. 21. 2018 DT&C Co., Ltd. If this report is required to confirmation of authenticity, please contact to report@dtnc.net TRF—EM—058(00)180112 Prohibits the copying and re—issue of this report without DT&C approval. Pages: 1 / 23

Report No.: DREFCC1812-0337 CONTENTS 1. General Remarks ...................................................................................................................... 3 2. Test Laboratory ......................................................................................................................... 3 3. General Information of EUT...................................................................................................... 4 4. EUT Operations and Test Configurations ............................................................................... 5 4.1 Principle of Configuration Selection ....................................................................................... 5 4.2 EUT Operation Mode ............................................................................................................. 5 4.3 Test Configuration Mode........................................................................................................ 5 4.4 Supported Equipment ............................................................................................................ 5 4.5 EUT In/Output Port ................................................................................................................ 6 4.6 Test Voltage and Frequency .................................................................................................. 6 5. Test Summary ........................................................................................................................... 7 6. Test Environment...................................................................................................................... 7 7. Test Results : Emission............................................................................................................ 8 7.1 Conducted Disturbance ......................................................................................................... 8 7.2 Radiated Disturbance .......................................................................................................... 11 8. Revision History...................................................................................................................... 23 TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 2 / 23

Report No.: DREFCC1812-0337 1. General Remarks This report contains the result of tests performed by : DT&C Co., Ltd. 42, Yurim-ro, 154beon-gil, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea 17042 http://www.dtnc.net Tel: +82-31-321-2664 Fax: +82-31-321-1664 2. Test Laboratory DT&C Co., Ltd. has been accredited / filed / authorized by the agencies listed in the following table; Certificate Nation Agency Code Remark Korea KOLAS 393 ISO/IEC 17025 Accreditation South Africa SABS 0006 ISO/IEC 17025 KR0034 Accredited 101842 USA FCC 678747, 596748, 2.948 Listed 804488, 165783 5740A-3 Canada IC Registered 5740A-4 Site Filing C-1427 R-1364, R-3385, R-4076, R-4180, Japan VCCI R-4496, Registered T-1442, G-10338, G-754, G-10815 Korea KC KR0034 Designation Certification CARAT 17 11 Germany TUV ISO/IEC 17025 89112 005 Quality control in the testing laboratory is implemented as per ISO/IEC 17025 which is the “General requirements for the competent of calibration and testing laboratory”. TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 3 / 23

Report No.: DREFCC1812-0337 3. General Information of EUT Bluebird Inc. Applicant (Dogok-dong, SEI Tower 13,14)39, Eonjuro30-gil, Gangnam-gu, Seoul, South Korea Bluebird Inc. Manufacturer (Dogok-dong, SEI Tower 13,14)39, Eonjuro30-gil, Gangnam-gu, Seoul, South Korea Bluebird Inc. Factory (SSang-young IT Twin tower-B 7~8F), 531, Dunchon-daero, Jungwon-gu, Seongnam-si, Gyeonggi-do, Korea Product Name Enterprise Full Touch Handheld Computer Model Name EF501 Add Model Name EF501R FCC ID SS4EF501X SW version R1.12 Rated Power DC 3.8 V Operation Frequency 26 MHz (Max) Remarks None Related Submittal(s) / Grant(s) Original submittal only TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 4 / 23

Report No.: DREFCC1812-0337 4. EUT Operations and Test Configurations 4.1 Principle of Configuration Selection Emission : The equipment under test (EUT) was configured to measure its highest possible radiation level. The test modes were adapted accordingly in reference to the instructions for use. For each testing mode different configurations were used, Refer to the individual tests. 4.2 EUT Operation Mode No. Mode Description 1 ‘READ’ & ‘WRITE’ & ‘DELETE’ The EUT is reading, writing, and erasing internal storage 4.3 Test Configuration Mode No. Mode Description 1 PC LINK EUT was connected PC by USB cable and continuously operated 4.4 Supported Equipment Used* Product Type Manufacturer Model Remarks AE Keyboard DELL KB212-B SDoC AE Mouse LG SM-9023 SDoC AE LCD Monitor DELL P2417Hb SDoC AE PC DELL DCNE SDoC AE External SSD SAMSUNG MU-PT250B SDoC AE Printer Bixolon SRP-770 SDoC AE Headset SAMSUNG SHS-150V/M SDoC AE Earphone IXTIN N/A SDoC *Abbreviations: AE - Auxiliary/Associated Equipment, or SIM - Simulator TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 5 / 23

Report No.: DREFCC1812-0337 4.5 EUT In/Output Port Cable Cable Cable Name Type* Remarks Max. >3 m Shielded Back shell USB I/O 1.7 Shield Plastic KEYBOARD USB I/O 1.7 Shield Plastic MOUSE Power In AC 1.8 Non Shield Plastic LCD MONITOR D-SUB I/O 1.8 Shield Plastic Power In AC 1.8 Non Shield Plastic D-SUB I/O 1.8 Shield Plastic Parallel I/O 2.0 Shield Plastic Serial I/O 1.9 Shield Plastic USB I/O 1.7 Shield Plastic PC USB I/O 1.7 Shield Plastic USB I/O 1.8 Shield Plastic USB I/O 1.5 Non Shield Plastic Stereo/Mic I/O 2.0 Non Shield Plastic USB I/O 1.5 Shield Plastic External SSD Power In DC 1.8 Non Shield Plastic Parallel I/O 2.0 Shield Plastic PRINTER Serial I/O 1.9 Shield Plastic Stereo/Mic I/O 2.0 Non Shield Plastic Headset Stereo I/O 1.5 Non Shield Plastic EUT USB I/O 1.5 Non Shield Plastic *Abbreviations: AC = AC Power Port DC = DC Power Port N/E = Non-Electrical I/O = Signal Input or Output Port TP = Telecommunication Ports 4.6 Test Voltage and Frequency Voltage Frequency Case Phases Remarks (V) (Hz) 1 AC 120 60 Hz Single None TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 6 / 23

Report No.: DREFCC1812-0337 5. Test Summary Test Items Applied Standards Results Conducted Disturbance ANSI C63.4 : 2014 C Radiated Disturbance ANSI C63.4 : 2014 C C=Comply N/C=Not Comply N/T=Not Tested N/A=Not Applicable The data in this test report are traceable to the national or international standards. -Conducted Disturbance Frequency Result Limit Margin Phase Detector [MHz] [dBμV] [dBμV] [dB] 0.20224 N 50.36 CAV 53.52 3.16 -Radiated Disturbance Frequency Result Limit Margin Pol. Detector [MHz] [dBμV/m] [dBμV/m] [dB] 144.002 H 37.57 QP 43.50 5.93 6. Test Environment Test date Temp. Humidity Pressure Test Items (YYYY-MM-DD) (℃) (% R.H.) (kPa) Conducted Disturbance 2018-12-19 19 37 100.1 Radiated Disturbance 2018-12-18 19 39 - TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 7 / 23

Report No.: DREFCC1812-0337 7. Test Results : Emission 7.1 Conducted Disturbance ANSI C63.4 Mains terminal disturbance voltage Result Method: The AMN placed 0,8 m from the boundary of the unit under test and bonded to a ground reference plane. This distance was between the closest points of the AMN and the EUT. All other units of the EUT and associated equipment were at least 0,8 m from the AMN. All power was connected to the system through Artificial Mains Network (AMN). Conducted voltage measurements on mains lines were made at the output of the AMN. The measuring port of the LISN for EUT was connected to spectrum analyzer. Using conducted emission test software, the emissions were scanned with peak detector mode. After scanning over the Comply frequency range, suspected emissions were selected to perform final measurement. When performing final measurement, the receiver was used which has Quasi-Peak detector and CISPR Average detector. For (0.15 ~ 30) MHz frequency range, Quasi-Peak detector with 10 kHz RBW and 30 kHz VBW was used. By varying the configuration of the test sample and the cable routing it was attempted to maximize the emission. Fully configured sample scanned ov Frequency range on each side of line Measurement Point er the following frequency range 150 kHz to 30 MHz Mains EUT mode Test configuration mode 1 (Refer to clauses 4) EUT Operation mode 1 Limits – Class A Limit dBµV Frequency (MHz) Quasi-Peak Average 0.15 to 0.50 79 66 0.50 to 30 73 60 Limits – Class B Limit dBµV Frequency (MHz) Quasi-Peak Average 0.15 to 0.50 66 to 56 56 to 46 0.50 to 5 56 46 5 to 30 60 50 Measurement uncertainty Expended uncertainty U 2.61 dB (95 %, Confidence level, k = 2) Measurement Instrument Description Model Manufacturer Identifier Cal. Date Cal. Due MEASUREMENT EMI-C VER. 2.00.0171 TSJ N/A N/A N/A SOFTWARE EMI TEST RECEIVER ESR7 ROHDE&SCHWARZ 101109 2018.10.29 2019.10.29 TWO-LINE V-NETWORK ENV216 ROHDE&SCHWARZ 101979 2018.12.06 2019.12.06 LISN LISN1600 TTI 197204 2018.06.07 2019.06.07 TRANSIENT LIMITER TL-B0930A EMCIS 11002 2018.09.05 2019.09.05 50 OHM TERMINATOR CT-01 TME N/A 2017.12.26 2018.12.26 TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 8 / 23

Report No.: DREFCC1812-0337 Mains terminal disturbance voltage _Measurement data Test configuration mode 1 EUT Operation mode 1 Test voltage (V) 120 Test Frequency (Hz) 60 TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 9 / 23

Report No.: DREFCC1812-0337 Calculation N : Neutral phase, L1 : Live phase C.FACTOR(dB) : Pulse Limiter(dB) + Cable loss(dB) + Insertion loss of LISN(dB) Result(dBμV) : Reading Value(dBμV) + C.FACTOR(dB) Margin(dB) : Limit(dBμV) - Result(dBμV) TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 10 / 23

Report No.: DREFCC1812-0337 7.2 Radiated Disturbance ANSI C63.4 Radiated disturbance 30 MHz –18 GHz Result Method: Preliminary (peak) measurements were performed at an antenna to EUT separation distance of 10 or 3 meter below 1GHz and 3 meter above 1GHz. The EUT was rotated 360° about its azimuth with the receive antenna located at various heights in horizontal and vertical polarities. Final measurements were then performed by rotating the EUT 360° and adjusting the receive antenna height from 1 to 4 m. All frequencies were investigated in both horizontal and vertical antenna polarity, Comply where applicable. For final measurement below 1 GHz frequency range, Quasi-Peak detector with (RBW = 120 kHz Bandwidth) was used. For final measurement above 1 GHz frequency range, Peak detector with (RBW = 1 MHz Bandwidth) and CISPR Average detector with (RBW = 1 MHz Bandwidth) were used. EUT mode Test configuration mode 1 (Refer to clauses 4) EUT Operation mode 1 Radiated Disturbance below 1 000 MHz Frequency range Quasi-peak limit dBμV/m (MHz) Class A (10 m distance) Class B (3 m distance) 30 to 88 39.1 40 88 to 216 43.5 43.5 216 to 960 46.4 46 960 to 1 000 49.5 54 According to 15.109(g), as an alternative to the radiated emission limit shown above, digital devices may be shown to comply with the standards contained in Third Edition of the International Special Committee on Radio Interference (CISPR), Pub. 22 shown. Frequency range Quasi-peak limit dBμV/m (MHz) Class A (10 m distance) Class B (10 m distance) 30 to 230 40 30 230 to 1 000 47 37 Radiated Disturbance for above 1 000 MHz at a measurement distance of 3 m Frequency range Peak limit dBμV/m Average limit dBμV/m (GHz) Class A Class B Class A Class B 1 to 40 80 74 60 54 The test frequency range of Radiated Disturbance measurements are listed below. Highest frequency generated or used in the device Upper frequency of measurement range or on which the device operates or tunes (MHz) (MHz) Below 108 1 000 108 – 500 2 000 500 – 1 000 5 000 5th harmonic of the highest frequency or 40 GHz, Above 1 000 whichever is lower Measurement uncertainty Expended uncertainty U 2.89 dB, (30 ~ 1 000) MHz (95 %, Confidence level, k = 2) 4.16 dB, (1 ~ 6) GHz TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 11 / 23

Report No.: DREFCC1812-0337 Measurement Instrument Description Model Manufacturer Identifier Cal. Date Cal. Due MEASUREMENT EMI-R VER. 2.00.0177 TSJ N/A N/A N/A SOFTWARE EMI TEST RECEIVER ESU ROHDE & SCHWARZ 100469 2018.06.28 2019.06.28 BILOG ANTENNA VULB9160 SCHWARZBECK 9160-3339 2017.04.21 2019.04.21 6DB ATTENUATOR 8491B HP 18403 2017.04.21 2019.04.21 LOW NOISE PRE MLA-100K01-B01-26 TSJ 1252741 2018.02.19 2019.02.19 AMPLIFIER HORN ANTENNA 3117 ETS-LINDGREN 00152093 2018.03.26 2020.03.26 EM-6969 ELECTRO-METRICS 156 2017.02.10 2019.02.10 HORN ANTENNA WITH PREAMPLIFIER MLA-0618-B03-34 TSJ 1785642 2018.01.02 2019.01.02 AGILENT PREAMPLIFIER 8449B TECHNOLOGIES 3008A01590 2018.02.20 2019.02.20 (NOTE : THE MEASUREMENT ANTENNAS WERE CALIBRATED IN ACCORDANCE TO THE REQUIREMENTS OF C63.5-2017.) TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 12 / 23

Report No.: DREFCC1812-0337 Radiated disturbance at (30 ~ 1000) MHz _Measurement data Test configuration mode 1 EUT Operation mode 1 Test voltage (V) 120 Test Frequency (Hz) 60 TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 13 / 23

Report No.: DREFCC1812-0337 TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 14 / 23

Report No.: DREFCC1812-0337 Radiated disturbance at (1 ~ 6) GHz _Peak measurement data Test configuration mode 1 EUT Operation mode 1 Test voltage (V) 120 Test Frequency (Hz) 60 TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 15 / 23

Report No.: DREFCC1812-0337 TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 16 / 23

Report No.: DREFCC1812-0337 Radiated disturbance at (1 ~ 6) GHz _Average measurement data Test configuration mode 1 EUT Operation mode 1 Test voltage (V) 120 Test Frequency (Hz) 60 TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 17 / 23

Report No.: DREFCC1812-0337 TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 18 / 23

Report No.: DREFCC1812-0337 Radiated disturbance at (6 ~ 18) GHz _Peak measurement data Test configuration mode 1 EUT Operation mode 1 Test voltage (V) 120 Test Frequency (Hz) 60 TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 19 / 23

TD Dt&C RADIATED EMISSION Date 2018—12—18 Order No. DTNC1812—09298 Power Supply 120 V 60 Hz Temp/Humi 19°C 39 % RH. Test Condition PC Link Memo LIMIT : FCC Part15 Subpart.B Class B (3m) — 18G(Peak) FCC Part15 Subpart.B Class B (3m) — 18G(Avg) FREQ READING ANT LOSS GAIN RESULT LIMIT MARGIN ANTENNA TABLE PEAK FACTOR [MHz] [dB uV] [dB] [dB] [dB] [dBu¥/m] [dBuV/m] [dB] [cm] [DEG] Horizontal 15936. 00 02. 30 36.29 12.63 36.65 54.57 100 000 0 16646. 25012 . 00 37.05 13.11 36.27 55.89 100 237 17254 . 50011 . 90 37.73 13.18 36.19 56.32 100 115 17818 . 50011 . 70 38.42 14.19 37.19 56.82 100 Vertical 6744.000 41. 80 31.40 100 350 00000 0 7493.250 41. 80 31.37 — — 100 358 11381. 25011 . 20 32.86 9.28 37.58 45.76 100 242 17057 . 25012 . 70 37.50 12.91 36.19 56.92 100 216 17218 . 50012 . 20 37.69 13.12 36.13 56.58 100 109 17838. 00011 . 10 38.41 14.17 37.47 56.21 100 310 w evepesj es s enenervse vime wvepeg mng sn n e mevare w ain wcepevics c sn vipepecs en rovigssc zes

Report No.: DREFCC1812-0337 Radiated disturbance at (6 ~ 18) GHz _Average measurement data Test configuration mode 1 EUT Operation mode 1 Test voltage (V) 120 Test Frequency (Hz) 60 TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 21 / 23

Report No.: DREFCC1812-0337 Calculation N : Neutral phase, L1 : Live phase C.FACTOR(dB) : Pulse Limiter(dB) + Cable loss(dB) + Insertion loss of LISN(dB) Result(dBμV) : Reading Value(dBμV) + C.FACTOR(dB) Margin(dB) : Limit(dBμV) - Result(dBμV) TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 22 / 23

Report No.: DREFCC1812-0337 8. Revision History Date Description Revised By Reviewed By Dec. 21. 2018 Initial report YongKi Kim JaeSeok Choi -End of test report- TRF-EM-058(00)180112 Prohibits the copying and re-issue of this report without DT&C approval. Pages: 23 / 23


Document Created: 2019-02-20 11:17:35
Document Modified: 2019-02-20 11:17:35
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