14_IH-K2050PAN TestRpt

FCC ID: ZJEST-WK821

Test Report

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FCCID_4174916

Page 1 of 29 Report No.: HK1901240230E FCC TEST REPORT FCC PART 15 SUBPART C 15.249 Test report On Behalf of Star Technology Industrial Co., Ltd For Wireless Keyboard Model No.: IH-K2050PAN, IH-K2050PAE, IH-K2050PAU, IH-K2050PAP, IH-K2050PAG FCC ID: ZJEST-WK821 Prepared for : Star Technology Industrial Co., Ltd Room 1102, Block 1 st, Yi Luan Building, Xixiang Road 230, BaoAn District, Shenzhen, China Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China Date of Test: Jan. 19, 2019 ~ Jan. 25, 2019 Date of Report: Jan. 25, 2019 Report Number: HK1901240230E

Page 2 of 29 Report No.: HK1901240230E TEST RESULT CERTIFICATION Applicant’s name ....................Star : Technology Industrial Co., Ltd Room 1102, Block 1 st, Yi Luan Building, Xixiang Road 230, BaoAn District, Address .................................... : Shenzhen, China Manufacture's Name ..............Star : Technology Industrial Co., Ltd Room 1102, Block 1 st, Yi Luan Building, Xixiang Road 230, BaoAn District, Address .................................... : Shenzhen, China Factory's Name .......................Star : Technology Industrial Co., Ltd Room 1102, Block 1 st, Yi Luan Building, Xixiang Road 230, BaoAn District, Address .................................... : Shenzhen, China Product description Trade Mark: iHome Product name ...........................Wireless : Keyboard Model and/or type reference ...IH-K2050PAN : Series Models IH-K2050PAE, IH-K2050PAU, IH-K2050PAP, IH-K2050PAG Declaration of Difference All the same except for the model name and front appearance color FCC Rules and Regulations Part 15 Subpart C Section 15.249 Standards ................................ : ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................... : Date (s) of performance of tests ................ : Jan. 19, 2019 to Jan. 25, 2019 Date of Issue ............................................. : Jan. 25, 2019 Test Result ................................................. : Pass Testing Engineer : (Gary Qian) Technical Manager : (Eden Hu) Authorized Signatory : (Jason Zhou)

Page 3 of 29 Report No.: HK1901240230E Table of Contents Page 1 . TEST SUMMARY 4 2 . GENERAL INFORMATION 5 2.1 GENERAL DESCRIPTION OF EUT 5 2.2 OPERATION OF EUT DURING TESTING 6 2.3 DESCRIPTION OF TEST SETUP 6 2.4 MEASUREMENT INSTRUMENTS LIST 7 3. RADIATED EMISSION 8 3.1. MEASUREMENT PROCEDURE 8 3.2. TEST SETUP 10 3.3. TEST RESULT 11 4. BAND EDGE EMISSION 17 4.1. MEASUREMENT PROCEDURE 17 4.2 TEST SETUP 17 4.3 RADIATED TEST RESULT 17 5. BANDWIDTH 20 5.1. MEASUREMENT PROCEDURE 20 5.2. TEST SETUP 20 5.3. TEST RESULT 21 6. PHOTOGRAPH OF TEST 23 7. PHOTOGRAPH OF EUT 24

Page 4 of 29 Report No.: HK1901240230E 1. TEST SUMMARY 1.1 TEST PROCEDURES AND RESULTS FCC RULES DESCRIPTION OF TEST RESULT §15.249&15.209 Radiated Emission Compliant §15.249&15.209 Band Edges Emission Compliant §15.215 20dB bandwidth Compliant §15.207 Conducted Emission N/A 1.2 TEST FACILITY Test Firm : Shenzhen HUAK Testing Technology Co., Ltd. Address : 1-2/F, Building 19, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Designation Number: : CN1229 Test Firm Registration Number : 616276 1.3 MEASUREMENT UNCERTAINTY Measurement Uncertainty Conducted Emission Expanded Uncertainty = 2.23dB, k=2 Radiated emission expanded uncertainty(9kHz-30MHz) = 3.08dB, k=2 Radiated emission expanded uncertainty(30MHz-1000MHz) = 4.42dB, k=2 Radiated emission expanded uncertainty(Above 1GHz) = 4.06dB, k=2

Page 5 of 29 Report No.: HK1901240230E 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Operation Frequency 2408-2474MHz Field Strength(3m) 81.42dBuV/m(Peak)@3m Modulation GFSK Number of channels 34(Channel Spacing is 2MHz) Test Channels 2408MHz, 2440MHz, 2474MHz Hardware Version V1.0 Software Version V1.0 Antenna Designation PCB antenna Antenna Gain 0dBi Power Supply DC 1.5V by battery

Page 6 of 29 Report No.: HK1901240230E 2.2 OPERATION OF EUT DURING TESTING NO. TEST MODE DESCRIPTION 1 Low channel TX 2 Middle channel TX 3 High channel TX Note: 1. Only the data of the worst case recorded in the test report. 2. For Radiated Emission, 3axis were chosen for testing for each applicable mode. 2.3 DESCRIPTION OF TEST SETUP Operation of EUT during Radiation and Above1GHz Radiation testing: EUT

Page 7 of 29 Report No.: HK1901240230E 2.4 MEASUREMENT INSTRUMENTS LIST Cal. Item Equipment Manufacturer Model No. Serial No. Last Cal. Interval 1. Receiver R&S ESCI 7 HKE-010 Dec. 27, 2018 1 Year RF automatic 2. Tonscend JS0806-2 HKE-060 Dec. 27, 2018 1 Year control unit 3. Horn Antenna Schewarzbeck BBHA 9170 HKE-090 Dec. 27, 2018 1 Year 4. Spectrum analyzer Agilent N9020A HKE-048 Dec. 27, 2018 1 Year 5. Preamplifier Schwarzbeck BBV 9743 HKE-006 Dec. 27, 2018 1 Year Bilog Broadband 6. Schwarzbeck VULB9163 HKE-012 Dec. 27, 2018 1 Year Antenna FMZB 1519 7. Loop Antenna Schwarzbeck HKE-014 FMZB 1519 Dec.012 27, 2018 May 11,12016 Year 1 Year B 8. Horn Antenna Schewarzbeck 9120D HKE-013 Dec. 27, 2018 1 Year EMC051845 9. Pre-amplifier EMCI HKE-015 Dec. 27, 2018 1 Year SE 10. Pre-amplifier Agilent 83051A HKE-016 Dec. 27, 2018 1 Year EMI Test Software JS1120-B 11. Tonscend HKE-083 Dec. 27, 2018 N/A EZ-EMC Version 12. Shielded room Shiel Hong 4*3*3 HKE-039 Dec. 27, 2018 3 Year

Page 8 of 29 Report No.: HK1901240230E 3. RADIATED EMISSION 3.1. MEASUREMENT PROCEDURE 1. The EUT was placed on the top of the turntable 0.8 or 1.5 meter above ground. The phase center of the receiving antenna mounted on the top of a height-variable antenna tower was placed 3 meters far away from the turntable. 2. Power on the EUT and all the supporting units. The turntable was rotated by 360 degrees to determine the position of the highest radiation. 3. The height of the broadband receiving antenna was varied between one meter and four meters above ground to find the maximum emissions field strength of both horizontal and vertical polarization. 4. For each suspected emissions, the antenna tower was scan (from 1 M to 4 M) and then the turntable was rotated (from 0 degree to 360 degrees) to find the maximum reading. 5. Set the test-receiver system to Peak or CISPR quasi-peak Detect Function with specified bandwidth under Maximum Hold Mode. 6. For emissions above 1GHz, use 1MHz VBW and RBW for peak reading. Then 1MHz RBW and 10Hz VBW for average reading in spectrum analyzer. 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. 7. When the radiated emissions limits are expressed in terms of the average value of the emissions, and pulsed operation is employed, the measurement field strength shall be determined by averaging over one complete pulse train, including blanking intervals, as long as the pulse train does not exceed 0.1 seconds. As an alternative (provided the transmitter operates for longer than 0.1 seconds) or in cases where the pulse train exceeds 0.1 seconds, the measured field strength shall be determined from the average absolute voltage during a 0.1 second interval during which the field strength is at its maximum values. 8.If the emissions level of the EUT in peak mode was 3 dB lower than the average limit specified, then testing will be stopped and peak values of EUT will be reported, otherwise, the emissions which do not have 3 dB margin will be repeated one by one using the quasi-peak method for below 1GHz. 9. For testing above 1GHz, the emissions level of the EUT in peak mode was lower than average limit (that means the emissions level in peak mode also complies with the limit in average mode), then testing will be stopped and peak values of EUT will be reported, otherwise, the emissions will be measured in average mode again and reported. 10. In case the emission is lower than 30MHz, loop antenna has to be used for measurement and the recorded data should be QP measured by receiver. High - Low scan is not required in this case.

Page 9 of 29 Report No.: HK1901240230E The following table is the setting of spectrum analyzer and receiver. Spectrum Parameter Setting Start ~Stop Frequency 9KHz~150KHz/RBW 200Hz for QP Start ~Stop Frequency 150KHz~30MHz/RBW 9KHz for QP Start ~Stop Frequency 30MHz~1000MHz/RBW 120KHz for QP 1GHz~26.5GHz Start ~Stop Frequency 3MHz/10MHz for Peak, 3MHz/10Hz for Average Receiver Parameter Setting Start ~Stop Frequency 9KHz~150KHz/RBW 200Hz for QP Start ~Stop Frequency 150KHz~30MHz/RBW 9KHz for QP Start ~Stop Frequency 30MHz~1000MHz/RBW 120KHz for QP Test limit for Standard FCC15.249 Fundamental Frequency Field Strength of Fundamental Field Strength of Harmonics (millivolts/meter) (microvolts/meter) 900-928MHz 50 500 2400-2483.5MHz 50 500 5725-5875MHz 50 500 24.0-24.25GHz 250 2500 Test limit for Standard FCC 15.209 Frequency Distance Field Strengths Limit (MHz) Meters μV/m dB(μV)/m 0.009 ~ 0.490 300 2400/F(kHz) --- 0.490 ~ 1.705 30 24000/F(kHz) --- 1.705 ~ 30 30 30 --- 30 ~ 88 3 100 40.0 88 ~ 216 3 150 43.5 216 ~ 960 3 200 46.0 960 ~ 1000 3 500 54.0 Above 1000 3 Other:74.0 dB(μV)/m (Peak) 54.0 dB(μV)/m (Average) Remark： (1) Emission level dBμV = 20 log Emission level μV/m (2) The smaller limit shall apply at the cross point between two frequency bands. (3) Distance is the distance in meters between the measuring instrument, antenna and the closest point of any part of the device or system.

Page 10 of 29 Report No.: HK1901240230E 3.2. TEST SETUP Radiated Emission Test-Setup Frequency Below 30MHz RADIATED EMISSION TEST SETUP 30MHz-1000MHz RADIATED EMISSION TEST SETUP ABOVE 1000MHz

Page 11 of 29 Report No.: HK1901240230E 3.3. TEST RESULT RADIATED EMISSION BELOW 30MHz No emission found between lowest internal used/generated frequencies to 30MHz. RADIATED EMISSION BELOW 1GHZ-Horizontal

Page 12 of 29 Report No.: HK1901240230E RADIATED EMISSION BELOW 1GHZ-Vertical RESULT: PASS Note: 1. Factor=Antenna Factor + Cable loss - Amplifier gain, Margin=Measurement-Limit. 2. The “Factor” value can be calculated automatically by software of measurement system. 3. The mode 1 is the worst case, and only the data of the worst case recorded in this test report.

Page 13 of 29 Report No.: HK1901240230E RADIATED EMISSION ABOVE 1GHZ Field strength of fundamental emission EUT： Wireless Keyboard Model Name.： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage： DC 5V Test Mode ： Mode 1/2/3 Polarization : Horizontal Frequency Meter Reading Factor Emission Level Limits Margin (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) Value Type 2408.031 90.03 -9.61 80.42 114.00 -33.58 peak 2408.031 85.13 -9.61 75.52 94.00 -18.48 AVG 2440.031 89.84 -9.61 80.23 114.00 -33.77 peak 2440.031 84.13 -9.61 74.52 94.00 -19.48 AVG 2474.031 91.03 -9.61 81.42 114.00 -32.58 peak 2474.031 86.18 -9.61 76.57 94.00 -17.43 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier. EUT： Wireless Keyboard Model Name. ： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage ： DC 5V Test Mode ： Mode 1/2/3 Polarization : Vertical Frequency Meter Reading Factor Emission Level Limits Margin (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) Value Type 2408.031 89.03 -9.61 79.42 114.00 -34.58 peak 2408.031 84.22 -9.61 74.61 94.00 -19.39 AVG 2440.031 89.49 -9.61 79.88 114.00 -34.12 peak 2440.031 84.55 -9.61 74.94 94.00 -19.06 AVG 2474.031 89.84 -9.61 80.23 114.00 -33.77 peak 2474.031 84.94 -9.61 75.33 94.00 -18.67 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.

Page 14 of 29 Report No.: HK1901240230E Field strength of spurious emission EUT： Wireless Keyboard Model Name.： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage： DC 5V Test Mode ： Mode 1 Polarization : Horizontal Frequency Meter Reading Factor Emission Level Limits Margin (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) Value Type 4816.062 48.68 3.76 52.44 74.00 -21.56 peak 4816.062 44.35 3.76 48.11 54.00 -5.89 AVG 7224.093 43.16 8.17 51.33 74.00 -22.67 peak 7224.093 39.08 8.17 47.25 54.00 -6.75 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier. EUT： Wireless Keyboard Model Name. ： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage ： DC 5V Test Mode ： Mode 1 Polarization : Vertical Frequency Meter Reading Factor Emission Level Limits Margin (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) Value Type 4816.062 48.12 3.76 51.88 74.00 -22.12 peak 4816.062 44.76 3.76 48.52 54.00 -5.48 AVG 7224.093 42.19 8.17 50.36 74.00 -23.64 peak 7224.093 36.52 8.17 44.69 54.00 -9.31 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.

Page 15 of 29 Report No.: HK1901240230E EUT： Wireless Keyboard Model Name.： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage： DC 5V Test Mode ： Mode 2 Polarization : Horizontal Frequency Meter Reading Factor Emission Level Limits Margin (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) Value Type 4880.062 48.58 3.78 52.36 74.00 -21.64 peak 4880.062 44.63 3.78 48.41 54.00 -5.59 AVG 7320.093 43.02 8.23 51.25 74.00 -22.75 peak 7320.093 39.39 8.23 47.62 54.00 -6.38 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier. EUT： Wireless Keyboard Model Name. ： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage ： DC 5V Test Mode ： Mode 2 Polarization : Vertical Frequency Meter Reading Factor Emission Level Limits Margin (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) Value Type 4880.062 46.64 3.78 50.42 74.00 -23.58 peak 4880.062 42.00 3.78 45.78 54.00 -8.22 AVG 7320.093 43.02 8.23 51.25 74.00 -22.75 peak 7320.093 38.10 8.23 46.33 54.00 -7.67 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier.

Page 16 of 29 Report No.: HK1901240230E EUT： Wireless Keyboard Model Name.： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage： DC 5V Test Mode ： Mode 3 Polarization : Horizontal Frequency Meter Reading Factor Emission Level Limits Margin (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) Value Type 4948.062 47.61 3.81 51.42 74.00 -22.58 peak 4948.062 44.44 3.81 48.25 54.00 -5.75 AVG 7422.093 42.15 8.27 50.42 74.00 -23.58 peak 7422.093 38.09 8.27 46.36 54.00 -7.64 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier. EUT： Wireless Keyboard Model Name. ： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage ： DC 5V Test Mode ： Mode 3 Polarization : Vertical Frequency Meter Reading Factor Emission Level Limits Margin (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) Value Type 4948.062 47.44 3.81 51.25 74.00 -22.75 peak 4948.062 43.31 3.81 47.12 54.00 -6.88 AVG 7422.093 41.95 8.27 50.22 74.00 -23.78 peak 7422.093 38.45 8.27 46.72 54.00 -7.28 AVG Remark: Factor = Antenna Factor + Cable Loss – Pre-amplifier. Note: Other emissions from 8G to 25 GHz are considered as ambient noise. No recording in the test report. Factor=Antenna Factor + Cable loss - Amplifier gain, Margin=Measurement-Limit. The “Factor” value can be calculated automatically by software of measurement system.

Page 17 of 29 Report No.: HK1901240230E 4. BAND EDGE EMISSION 4.1. MEASUREMENT PROCEDURE 1. The EUT operates at transmitting mode. The operate channel is tested to verify the largest transmission and spurious emissions power at the continuous transmission mode. 2. Set the spectrum analyzer in the following setting in order to capture the lower and upper band-edges of the emission: (a) PEAK: RBW=1MHz, VBW=3MHz , Sweep=AUTO (b) AVERAGE: RBW=1MHz ; VBW=1/on time(1kHz), Sweep=AUTO 3. Other procedures refer to clause 3.1. 4.2 TEST SETUP RADIATED EMISSION TEST SETUP 4.3 RADIATED TEST RESULT Note: 1. Factor=Antenna Factor + Cable loss - Amplifier gain. Field Strength=Factor + Reading level 2. The factor had been edited in the “Input Correction” of the Spectrum Analyzer. So the Amplitude of test plots is equal to Reading level plus the Factor in dB. Use the A dB(μV) to represent the Amplitude. Use the F dB(μV/m) to represent the Field Strength. So A=F.

Page 18 of 29 Report No.: HK1901240230E EUT： Wireless Keyboard Model Name. ： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage ： DC 5V Test Mode ： Mode 1 Polarization : Horizontal PK Value EUT： Wireless Keyboard Model Name. ： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage ： DC 5V Test Mode ： Mode 1 Polarization : Vertical PK Value

Page 19 of 29 Report No.: HK1901240230E EUT： Wireless Keyboard Model Name. ： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage ： DC 5V Test Mode ： Mode 3 Polarization : Horizontal PK Value EUT： Wireless Keyboard Model Name. ： IH-K2050PAN Temperature： 20 ℃ Relative Humidtity： 48% Pressure： 1010 hPa Test Voltage ： DC 5V Test Mode ： Mode 3 Polarization : Vertical PK Value Note: The peak level of the emission is less than the average limit, so the average level should comply with the average limit without test.

Page 20 of 29 Report No.: HK1901240230E 5. BANDWIDTH 5.1. MEASUREMENT PROCEDURE 1. The EUT was placed on the top of the turntable 1.5 meter above ground. The phase center of the receiving antenna mounted on the top of a height-variable antenna tower was placed 3 meters far away from the turntable. 2, Set the EUT Work on the operation frequency individually. 3. Set Span = approximately 2 to 5 times the OBW, centered on a hoping channel The nominal IF filter bandwidth (3 dB RBW) shall be in the range of 1% to 5% of the OBW and video bandwidth (VBW) shall be approximately 3* RBW; Sweep = auto; Detector function = peak 4. Set SPA Trace 1 Max hold, then View. 5.2. TEST SETUP

Page 21 of 29 Report No.: HK1901240230E 5.3. TEST RESULT TEST ITEM -20dB BANDWIDTH TEST MODE Mode1, Mode 2, Mode 3 Channel MHz Criteria Low Channel 2.082 PASS Middle Channel 2.083 PASS High Channel 2.721 PASS TEST PLOT OF BANDWIDTH FOR LOW CHANNEL

Page 22 of 29 Report No.: HK1901240230E TEST PLOT OF BANDWIDTH FOR MIDDLE CHANNEL TEST PLOT OF BANDWIDTH FOR HIGH CHANNEL

Page 23 of 29 Report No.: HK1901240230E 6. PHOTOGRAPH OF TEST Radiated Emission

Page 24 of 29 Report No.: HK1901240230E 7. PHOTOGRAPH OF EUT ALL VIEW OF EUT

Page 25 of 29 Report No.: HK1901240230E TOP VIEW OF EUT BOTTOM VIEW OF EUT

Page 26 of 29 Report No.: HK1901240230E FRONT VIEW OF EUT BACK VIEW OF EUT

Page 27 of 29 Report No.: HK1901240230E LEFT VIEW OF EUT RIGHT VIEW OF EUT

Page 28 of 29 Report No.: HK1901240230E OPEN VIEW OF EUT INTERNAL VIEW OF EUT-1

Page 29 of 29 Report No.: HK1901240230E INTERNAL VIEW OF EUT-2 Antenna ----END OF REPORT----


Document Created: 2019-03-23 00:55:47
Document Modified: 2019-03-23 00:55:47
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