GMKtec G10 Mini PC Radio Test Report

Product Information

Test Summary

This report presents the results of radio tests conducted on the GMKtec G10 Mini PC. The tests were performed by Shenzhen STS Test Services Co., Ltd. according to the technical standards specified in FCC Part 15.407 and KDB 789033 D02 General U-NII Test Procedures New Rules v02r01, and ANSI C63.10-2020.

Note: (1) 'N/A' denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2020.

Test Details

1.1 Test Factory

Company: SHENZHEN STS TEST SERVICES CO., LTD.

Address: 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao'an District, Shenzhen, Guang Dong, China

FCC test Firm Registration Number: 625569

IC test Firm Registration Number: 12108A

A2LA Certificate No.: 4338.01

1.2 Measurement Uncertainty

The reported uncertainty of measurement ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %.

2.1 General Description of the EUT

Note: 1. For a more detailed features description, please refer to the manufacturer's specifications or the User Manual. 2. The antenna details in this report are based on the manufacturer provided antenna specification documents and apply only to the tested sample identified herein. Any discrepancies in the antenna information may affect the accuracy of the test results, and the customer assumes responsibility for any related issues.

2.2 Description of Test Modes

To investigate the maximum EMI emission characteristics generated from EUT, the test system was pre-scanning tested based on the consideration of following EUT operation mode or test configuration mode which possible have effect on EMI emission level. Each of these EUT operation mode(s) or test configuration mode(s) mentioned above was evaluated respectively.

Note: (1) The measurements are performed at the highest, middle, lowest available channels. (2) The measurements are performed at all Bit Rate of Transmitter, the worst data was reported. (3) We have be tested for all available U.S. voltage and frequencies(For 120V,50/60Hz and 240V, 50/60Hz) for which the device is capable of operation. (4)The 802.11ax mode is investigated among different tones(26/52/106/242-tone RU channel), full resource units (RU), partial resourceunits. The partial RU has no higher power than full RU's, thus the full RU is chosen as main test configuration.

2.3 Test Software and Power Level

During testing channel & power controlling software provided by the customer was used to control the operating channel as well as the output power level.

2.4 Block Diagram Showing the Configuration of System Tested

Radiated Spurious Emission Test

Diagram showing the test setup for Radiated Spurious Emission Test. It includes an AC Plug, E-2 Adapter, EUT, C-1 coaxial cable, E-1 Computer monitor, and another AC Plug.

Conducted Emission Test

Diagram showing the test setup for Conducted Emission Test. It includes an AC Plug, E-2 Adapter, EUT, C-1 coaxial cable, E-1 Computer monitor, and another AC Plug.

RF Conducted Test

Diagram showing the test setup for RF Conducted Test. It includes an AC Plug, E-2 Adapter, EUT, C-1 coaxial cable, E-1 Computer monitor, and another AC Plug.

2.5 Description of Necessary Accessories and Support Units

Note: (1) For detachable type I/O cable should be specified the length in cm in『Length』column.

2.6 Equipments List

RF Radiation Test Equipment

Conduction Test Equipment

RF Connected Test

3.1 Conducted Emission Measurement

3.1.1 Power Line Conducted Emission Limits

(Frequency Range 150KHz-30MHz)

Note: (1) The tighter limit applies at the band edges. (2) The limit of "*" marked band means the limitation decreases linearly with the logarithm of the frequency in the range.

Receiver Setting

3.1.2 Test Procedure

a. The EUT is 0.8 m from the horizontal ground plane and 0.4 m from the vertical ground plane with EUT being connected to the power mains through a line impedance stabilization network (LISN). All other support equipments are powered from additional LISN(s). The LISN provides 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 is at least 80 cm from the nearest part of EUT chassis.

e. For the actual test configuration, please refer to the related Item –EUT Test Photos.

3.1.3 Deviation From Test Standard

No deviation

3.1.4 Test Setup

Diagram illustrating the test setup for conducted emissions, showing the EUT, LISN, and Test Receiver, with specific distances indicated.

3.1.5 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.

3.1.6 Test Results

Temperature: 25.1°C

Test Voltage: AC 120V/60Hz

Test Mode: Mode 10

Relative Humidity: 59%

Phase: L

Remark: 1. All readings are Quasi-Peak and Average values. 2. Margin = Result (Result =Reading + Factor)-Limit. 3. Factor=LISN factor+Cable loss+Limiter (10dB)

Test Results (Phase N)

Temperature: 25.1°C

Test Voltage: AC 120V/60Hz

Test Mode: Mode 10

Relative Humidity: 59%

Phase: N

Remark: 1. All readings are Quasi-Peak and Average values. 2. Margin = Result (Result =Reading + Factor)-Limit. 3. Factor=LISN factor+Cable loss+Limiter (10dB)

3.2 Radiated Emission and (Bandedge) Measurement

3.2.1 Radiated Emission Limits (Frequency Range 9kHz-1000MHz)

In case the emission fall within the restricted band specified on 15.407(b)7&209(a), then the limit in the table below has to be followed.

Limits of Radiated Emission Measurement (Above 1000MHz)

Notes: (1) The limit for radiated test was performed according to FCC PART 15E. (2) The tighter limit applies at the band edges. (3) Emission level (dBuV/m)=20log Emission level (uV/m).

Limits of Restricted Frequency Bands

Note: In case the emission radiated emission above 1000MHz fall within the restricted band the peak limit is 74 dBuV/m.

3.2.2 Test Procedure

a. The measuring distance at 3 m shall be used for measurements at frequency 0.009MHz up to 1GHz, and above 1GHz.

b. The EUT was placed on the top of a rotating table 0.8 m (above 1GHz is 1.5 m) above the ground at a 3 m anechoic chamber test site. The table was rotated 360 degree to determine the position of the highest radiation.

c. The height of the equipment shall be 0.8 m (above 1GHz is 1.5 m); the height of the test antenna shall vary between 1 m to 4 m. Horizontal and vertical polarization 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 QuasiPeak detector mode will be re-measured.

e. If the Peak Mode measured value is compliance with and lower than Quasi Peak Mode Limit, the EUT shall be deemed to meet QP Limits and no additional QP Mode measurement was performed.

f. For the actual test configuration, please refer to the related Item –EUT Test Photos.

Note: Both horizontal and vertical antenna polarities were tested and performed pretest to three orthogonal axis. The worst case emissions were reported.

3.2.2 Deviation From Test Standard

No deviation

3.2.3 Test Setup

(A) Radiated Emission Test-Up Frequency Below 30MHz

Diagram showing the test setup for radiated emissions below 30MHz, including EUT, Loop Antenna, Spectrum Analyzer, and ground plane.

(B) Radiated Emission Test-Up Frequency 30MHz~1GHz

Diagram showing the test setup for radiated emissions from 30MHz to 1GHz, including EUT, Turntable, Amplifier, Spectrum Analyzer, and ground plane.

(C) Radiated Emission Test-Up Frequency Above 1GHz

Diagram showing the test setup for radiated emissions above 1GHz, including EUT, Turntable, Amplifier, Spectrum Analyzer, and ground plane.

3.2.4 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.

3.2.5 Field Strength Calculation

The field strength is calculated by adding the Antenna Factor and Cable Factor and subtracting the Amplifier Gain and Duty Cycle Correction Factor (if any) from the measured reading. The basic equation with a sample calculation is as follows:

FS = RA + AF + CL - AG

Where:

FS = Field Strength
CL = Cable Attenuation Factor (Cable Loss)
RA = Reading Amplitude
AG = Amplifier Gain
AF = Antenna Factor

For example:

Factor=AF+CL-AG

3.2.6 Test Results (Between 9KHz – 30 MHz)

Temperature: 23.4°C

Test Voltage: AC 120V/60Hz

Test Mode: TX Mode

Relative Humidity: 60%

Polarization:

Note: The amplitude of spurious emissions which are attenuated by more than 20dB below the permissible value has no need to be reported. Distance extrapolation factor =40 log (specific distance/test distance)(dB); Limit line = specific limits(dBuv) + distance extrapolation factor.

3.2.7 Test Results (Between 30MHz – 1GHz)

Temperature: 23.4°C

Test Voltage: AC 120V/60Hz

Polarization: Horizontal

Test Mode: Mode 1~9(Mode 2 worst mode)

Relative Humidity: 60%

Remark: 1. Margin = Result (Result =Reading + Factor)-Limit. 2. Factor= Antenna factor+Cable attenuation factor(cable loss)-Amplifier gain

Test Results (Polarization: Vertical)

Temperature: 23.4°C

Test Voltage: AC 120V/60Hz

Polarization: Vertical

Test Mode: Mode 1~9(Mode 2 worst mode)

Relative Humidity: 60%

Remark: 3. Margin = Result (Result =Reading + Factor)-Limit. 4. Factor= Antenna factor+Cable attenuation factor(cable loss)-Amplifier gain

3.2.8 Limits of Emissions Outside of the Frequency Bands

Undesirable emission limits. Except as shown in paragraph (b)(7) of this section, the maximum emissions outside of the frequency bands of operation shall be attenuated in accordance with the following limits:

(1) For transmitters operating in the 5.15-5.25 GHz band: All emissions outside of the 5.15-5.35 GHz band shall not exceed an e.i.r.p. of −27 dBm/MHz.

(2) For transmitters operating in the 5.25-5.35 GHz band: All emissions outside of the 5.15-5.35 GHz band shall not exceed an e.i.r.p. of -−27 dBm/MHz.

(3) For transmitters operating in the 5.47-5.725 GHz band: All emissions outside of the 5.47-5.725 GHz band shall not exceed an e.i.r.p. of −27 dBm/MHz.

(4) For transmitters operating in the 5.725-5.85 GHz band:

(i) All emissions shall be limited to a level of −27 dBm/MHz at 75 MHz or more above or below the band edge increasing linearly to 10 dBm/MHz at 25 MHz above or below the band edge, and from 25 MHz above or below the band edge increasing linearly to a level of 15.6 dBm/MHz at 5 MHz above or below the band edge, and from 5 MHz above or below the band edge increasing linearly to a level of 27 dBm/MHz at the band edge.

Note: dBuV/m(at 3M) = EIRP(dBm) + 95.2. Peak Limit = -27dBm/MHz + 95.2 = 68.2 dBuV/m.

Spectrum Parameter Settings

For Band edge

Receiver Parameter Settings