MIC Test Report

For

Applicant Information

Applicant Name: Shenzhen DOOGEE Hengtong Technology CO.,LTD

Address: B, 2/F, Building A4, Silicon Valley Power Digital Industrial Park, No. 22, Dafu Industrial Zone, Guanlan Aobei Community, Guanlan Street, Longhua New District, Shenzhen, Guangdong, China

EUT Name: Tablet

Brand Name: DOOGEE

Model Name: T20

Serial Model Name: Please refer to section 2.4

Issuing Laboratory

Company Name: BTF Testing Lab (Shenzhen) Co., Ltd.

Address: F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China

Report Number: BTF250210R01002

Test Standards: Article 2, Paragraph 1, Item11-19, item 54.

Test Conclusion: Pass

Test Date: 2023-02-08 to 2023-02-15

Date of Issue: 2025-02-11

Prepared By: Chris Liu, Project Engineer

Approved By: Ryan CJ, EMC Manager

Revision History

Version Issue Date Revisions Content
Rev-V0 2025-02-11 This report is base on the report No. BTF-BTF240408R00302, only the serial model name is changed, everything else is the same.

Note: Once the revision has been made, then previous versions reports are invalid.

1. Introduction

1.1 Identification of Testing Laboratory

Company Name:BTF Testing Lab (Shenzhen) Co., Ltd.
Address:F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China
Phone Number:+86-0755-23146130
Fax Number:+86-0755-23146130

1.2 Identification of the Responsible Testing Location

Test Location:BTF Testing Lab (Shenzhen) Co., Ltd.
Address:F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China
Description:All measurement facilities used to collect the measurement data are located at F101, 201 and 301, Building 1, Block 2, Tantou Industrial Park, Tantou Community, Songgang Street, Bao'an District, Shenzhen, China

1.3 Laboratory Condition

Ambient Temperature:20 °C to 25 °C
Ambient Relative Humidity:45 % to 55 %
Ambient Pressure:100 kPa to 102 kPa

1.4 Announcement

2. Product Information

2.1 Application Information

Company Name:Shenzhen DOOGEE Hengtong Technology CO.,LTD
Address:B, 2/F, Building A4, Silicon Valley Power Digital Industrial Park, No. 22, Dafu Industrial Zone, Guanlan Aobei Community, Guanlan Street, Longhua New District, Shenzhen, Guangdong, China

2.2 Manufacturer Information

Company Name:Shenzhen DOOGEE Hengtong Technology CO.,LTD
Address:B, 2/F, Building A4, Silicon Valley Power Digital Industrial Park, No. 22, Dafu Industrial Zone, Guanlan Aobei Community, Guanlan Street, Longhua New District, Shenzhen, Guangdong, China

2.3 Factory Information

Company Name:Shenzhen DOOGEE Hengtong Technology CO.,LTD
Address:B, 2/F, Building A4, Silicon Valley Power Digital Industrial Park, No. 22, Dafu Industrial Zone, Guanlan Aobei Community, Guanlan Street, Longhua New District, Shenzhen, Guangdong, China

2.4 General Description of Equipment under Test (EUT)

EUT Name:Tablet
Under Test Model Name:T20
Series Model Name:T36, T10S, Tab A9, U9, T30Pro, T30S, U11, Tab G6, U11 Pro, T20 Ultra, Tab E3 Pro, Tab A9+, T30 Ultra, Tab E3Max, Tab A9Pro, Tab E3, Tab E3+, Tab G6S, Tab G6+, T20Mini, Tab A9 Pro+, U10, T30 Max, V Pad, T10W
Description of Model name differentiation:They are the same product, but the model name and color are different. Everything else is the same.
Hardware Version:T30-T616-V2.0
Software and Firmware Version:DOOGEE-T20-EEA_18-Android 12.0

2.5 Technical Information

Product Feature & Specification Value
Type EmissionD1A,D1B,D1C,D1D,D1F,D1X,W7D, G1A,G1B,G1C,G1D,G1F,G1X,G7D
Channel Spacing100kHz
Support Band / 3GPP Band700M Band: Band 28
850M Band: Band 5, Band 18, Band 19, Band 26
900M Band: Band 8
1.5G Band: Band 11, Band 21
1.7G Band: Band 3, Band 9
2.1G Band: Band 1
Frequency RangeBand 1: 5MHz BW: 1927.2MHz ~ 1977.5MHz; 10MHz BW: 1934.7MHz ~ 1975.0MHz; 15MHz BW: 1942.2MHz ~ 1972.5MHz; 20MHzBW: 1949.7MHz ~ 1970.0MHz
Band 3: 5MHz BW: 1747.4MHz ~ 1782.4MHz; 10MHz BW: 1749.9MHz ~ 1779.9MHz; 15MHz BW: 1752.4MHz ~ 1777.4MHz; 20MHz BW: 1754.9MHz ~ 1774.9MHz
Band 8: 5MHz BW: 902.5MHz ~ 912.5MHz; 10MHz BW: 905.0MHz ~ 910.0MHz
Band41: 5MHz BW: 2547.5MHz ~2652.5MHz; 10MHz BW: 2550.0MHz ~2650.0MHz; 20MHz BW: 2555.0MHz ~2645.0MHz
Declaration RF Output Power199.53mW (23 dBm)
Modulation TypeQPSK, 16QAM
E-UTRA CategoryCategory 3
SIM Card2 SIM Cards (Note: SIM Card1 and SIM Card2 have been tested, Only shown the worst result (SIM Card1) in the report.)
Antenna TypePIFA Antenna (Main and DIV ANT) (Note: The two antennas are transmitted from the same port and only one works at the same time.)
Antenna GainBand 1: 0.19dBi; Band 3: 0.23dBi; Band 8: 0.12dBi; Band 41: 0.39dBi
Power SourceCommercial power: N/A
External Power Source: DC 5 V

Test Channel List

Operating Bands UL Channel Channel Bandwidth (MHz) UL Channel No. UL Frequency (MHz)
Band 1 Low Channel 5180721927.2
10181471934.7
15182221942.2
20182971949.7
Middle Channel 5183241952.4
10183491954.9
15183741957.4
20183991959.9
High Channel 5185751977.5
10185501975
15185251972.5
20185001970
Band 3 Low Channel 5195741747.4
10195991749.9
15196241752.4
20196491754.9
Middle Channel 5/10/15/20197491764.9
High Channel 5199241782.4
10198991779.9
15198741777.4
20198491774.9
Band 8 Low Channel 521675902.5
1021700905
1521725907.5
2021775912.5
Middle Channel 5/1021750910
High Channel 5401652547.5
10401902550.0
15402402555.0
20406902600.0
Band 41 Low Channel 5/10/20412152652.5
Middle Channel 5411902650.0
10411402645.0
15
20
High Channel 5
10
15
20

3. Summary of Test Results

Requirement Report Section Result
Frequency Tolerance5.1.1PASS
RF Output Power Tolerance5.1.2PASS
Occupied Bandwidth5.1.3PASS
Adjacent Channel Leakage Power5.1.4PASS
Unwanted Emission Strength in Out-band Area5.1.5PASS
Unwanted Emission Strength in Spurious Area5.1.6PASS
Secondarily Emitted Radio Wave Strength5.1.7PASS
Leakage Power at No-carrier Transmission5.1.8PASS
Comprehensive Operation Test5.1.9PASS
Construction Protection Confirmation Method5.1.10PASS

Note:

3.1 Uncertainty of Test

Parameters Uncertainty
RF power, conducted±0.90 dB
All emissions, radiated±5.36 dB
Unwanted Emissions, conducted±0.90 dB
Voltage (DC)±3.6 %
Temperature±0.82°C
Humidity±4.1%

The following measurement uncertainty levels have been estimated for tests performed on the EUT as specified in TR 100 028-1, and TR 100 028-2. This uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2.

4. Test Configuration

4.1 Environment Condition

Relative Humidity (%):45% to 55%
Atmospheric Pressure (kPa):100 kPa to 102 kPa
Temperature:NT (Normal Temperature): +22°C to +25°C
LT (Low Temperature): -10°C
HT (High Temperature): +40°C
Working Voltage of the EUT:NV (Normal Voltage): 3.8V
LV (Low Voltage): 3.42 V
HV (High Voltage): 4.18 V

The RF unit is supplied DC 1.8V. The fluctuation of input voltage to the circuit of RF unit of test equipment is under ±1%, when input voltage DC 3.8V is fluctuated ±10%, so all measurement has been conducted by only rated voltage.

DC Input RF_IC Input Rate of fluctuation(%)
3.80V1.8V0.0
3.42V1.8V0.0
4.18V1.8V0.0

4.2 Test Equipment List

Description Manufacturer Model Serial No. Cal. Date Cal. Due Cal. By Use
MXA Signal Analyzer KEYSIGHT N9020A MY50410020 2022.11.24 2023.11.23 Guangzhou LiSai Metrology & Test Co., Ltd.
WIDEBAND RADIO COMMUNICATION TESTER Rohde & Schwarz CMW500 161997 2022.11.24 2023.11.23 Guangzhou LiSai Metrology & Test Co.,Ltd.
Adjustable Direct Current Regulated Power Supply Dongguan Tongmen Electronic Technology Co., LTD etm-6050c 20211026123 2022.11.24 2023.11.23 Guangzhou LiSai Metrology & Test Co.,Ltd.
Programmable constant ZZCKONG ZZ-K02A 20210928007 2022.11.24 2023.11.23 Guangzhou LiSai Metrology & Test Co.,Ltd.
temperature and humidity box Techy TR1029-2 / / / /
RF Sensor Unit Techy TR1029-2 / / / /
RF Control Unit Techy TR1029-1 / / / /
RFTest software / V1.00 / / / /

Remark:

4.3 Test Setup

Test Setup 1 For antenna port Test

Test Setup 1 For antenna port Test: A block diagram illustrating the test configuration. It shows a "Simulator" connected to the "EUT" (Equipment Under Test) via a "Spectrum" analyzer.

5. Test Items

5.1 Test Results and Measurement Data

5.1.1 Frequency Tolerance

5.1.1.1 Limit

≤±(0.1 x fc x 10-6 + 15) Hz

5.1.1.2 Test Setup

Please refer to 4.3 section description of test setup of test setup 1. The photo of test setup please refer to Test Setup Document.

5.1.1.3 Test Procedures

Follow 3GPP Standard TS36.521-1 Section 6.5.1.

5.1.1.4 Test Result

Please refer to the appendix B of test data.

5.1.2 RF Output Power and Output Power Tolerance Measurement

5.1.2.1 Limit

Item Limits
Output Power / E.I.R.P≤200mW (23dBm) / ≤26dBm
Output Power Tolerance+87% ~ -47%

5.1.2.2 Test Setup

Please refer to 4.3 section description of test setup of test setup 1. The photo of test setup please refer to Test Setup Document.

5.1.2.3 Test Procedures

Follow 3GPP Standard TS 36.521-1 Section 6.2.2

Output Power(dBm) = P(dBm) = PLinear(mW)

E.I.R.P(dBm) = P(dBm) + Peak Antenna Gain(dBi)

Tolerance = (PLinear -200) / 200 x 100%

5.1.2.4 Test Result

Please refer to the appendix B of test data.

5.1.3 Occupied Bandwidth Measurement

5.1.3.1 Limit

Item Limits
Occupied Band Width≤5MHz (for Bandwidth = 5MHz)
≤10MHz (for Bandwidth = 10MHz)
≤15MHz (for Bandwidth = 15MHz)
≤20MHz (for Bandwidth = 20MHz)

5.1.3.2 Test Setup

Please refer to 4.3 section description of test setup of test setup 1. The photo of test setup please refer to Test Setup Document.

5.1.3.3 Test Procedures

Follow 3GPP Standard TS 36.521-1 Section 6.6.1.

5.1.3.4 Test Result

Please refer to the appendix B of test data.

5.1.4 Adjacent Channel Leakage Power Measurement

5.1.4.1 Limit

Item Band Width Limit
ACLR 5 MHz ≤ -29.2dBc/4.5MHz or
≤-32.2dBc/3.84MHz or -
-35.2dBc/3.84MHz or
-50dBm/3.84MHz
10 MHz ≤ -29.2dBc/9MHz or
≤-32.2dBc/3.84MHz or
≤-35.2dBc/3.84MHz or -50dBm/3.84MHz
-50dBm/3.84MHz
15 MHz ≤ -29.2dBc/13.5MHz
≤-32.2dBc/3.84MHz or
-35.2dBc/3.84MHz or
-50dBm/3.84MHz
20 MHz ≤ -29.2dBc/18MHz or
≤-32.2dBc/3.84MHz or -50dBm/3.84MHz
-35.2dBc/3.84MHz or
-50dBm/3.84MHz

5.1.4.2 Test Setup

Please refer to 4.3 section description of test setup of test setup 1. The photo of test setup please refer to Test Setup Document.

5.1.4.3 Test Procedures

Follow 3GPP Standard TS 36.521-1 Section 6.6.2.3

5.1.4.4 Test Result

Please refer to the appendix B of test data.

5.1.5 Unwanted Emission Strength in Out-band Area Measurement

5.1.5.1 Limit

Item Band Width Limit
Unwanted Emission Strength in Out-band Area 5 MHz Δf < 1MHz ≤ -13.5dBm/30kHz
1MHz ≤ Δf < 5MHz ≤ -8.5dBm/MHz
5MHz ≤ Δf < 6MHz ≤ -11.5dBm/MHz
6MHz ≤ Δf < 10MHz ≤ -23.5dBm/MHz
10 MHz Δf < 1MHz ≤ -16.5dBm/30kHz
1MHz ≤ Δf < 5MHz ≤ -8.5dBm/MHz
Δf < 10MHz ≤ -11.5dBm/MHz
10MHz ≤ Δf < 15MHz ≤ -23.5dBm/MHz
15 MHz Δf < 1MHz ≤ -18.5dBm/30kHz
1MHz ≤ Δf < 5MHz ≤ -8.5dBm/MHz
5MHz ≤ Δf < 15MHz ≤ -11.5dBm/MHz
15MHz ≤ Δf < 20MHz ≤ -23.5dBm/MHz
20 MHz Δf < 1MHz ≤ -19.5dBm/30kHz
1MHz ≤ Δf < 5MHz ≤ -8.5dBm/MHz
5MHz ≤ Δf < 20MHz ≤ -11.5dBm/MHz
20MHz ≤ Δf < 25MHz ≤ -23.5dBm/MHz

5.1.5.2 Test Setup

Please refer to 4.3 section description of test setup of test setup 1. The photo of test setup please refer to Test Setup Document.

5.1.5.3 Test Procedures

Follow 3GPP Standard TS 36.521-1 Section 6.6.2.2

5.1.5.4 Test Result

Please refer to the appendix B of test data.

5.1.6 Unwanted Emission Strength in Spurious Area Measurement

5.1.6.1 Limit

Item Limits
General 9kHz~150kHz ≤-36dBm/kHz
150kHz~30MHz ≤-36dBm/10kHz
30MHz~1000MHz ≤-36dBm/100kHz
1000MHz ~ 12.75GHz ≤-30dBm/1MHz
1844.9MHz ~ 1879.9MHz ≤-50dBm/MHz
1884.5MHz ~ 1915.7MHz ≤-41dBm/300kHz
2010MHz~2025MHz ≤-50dBm/MHz
2110MHz~2170MHz ≤-50dBm/MHz
For 2G & 1.7G Band 860MHz~890MHz ≤-50dBm/MHz
1475.9MHz ~ 1510.9MHz ≤-50dBm/MHz
For 1744.9MHz ~ 1749.9MHz 773MHz~803MHz ≤-50dBm/MHz
860MHz~890MHz ≤-50dBm/MHz
945MHz~960MHz ≤-50dBm/MHz
1475.9MHz ~ 1510.9MHz ≤-50dBm/MHz
1839.9MHz ~ 1844.9MHz ≤-50dBm/MHz
For 1.5G Band 860MHz~890MHz ≤-50dBm/MHz
1475.9MHz ~ 1510.9MHz ≤-30dBm/MHz (for 5MHz System)
≤ -35dBm/MHz (for 10MHz/15MHz/20MHz System)
For 900M Band 860MHz~890MHz ≤-40dBm/MHz
945MHz~960MHz ≤-50dBm/MHz
1475.9MHz ~ 1510.9MHz ≤-50dBm/MHz
For 800M Band 860MHz~890MHz ≤-40dBm/MHz
1475.9MHz ~ 1510.9MHz ≤-50dBm/MHz
For 700M Band 470MHz~710MHz ≤-26.2dBm/6kHz
773MHz~803MHz ≤-50dBm/MHz
860MHz~890MHz ≤-50dBm/MHz
945MHz~960MHz ≤-50dBm/MHz
1475.9MHz ~ 1510.9MHz ≤-50dBm/MHz

5.1.6.2 Test Setup

Please refer to 4.3 section description of test setup of test setup 1. The photo of test setup please refer to Test Setup Document.

5.1.6.3 Test Procedures

Follow 3GPP Standard TS 36.521-1 Section 6.6.3

5.1.6.4 Test Result

Please refer to the appendix B of test data.

5.1.7 Secondarily Emitted Radio Wave Strength Measurement

5.1.7.1 Limit

Item Limits
Secondarily Emitted Radio Wave Strength 30MHz~1000MHz ≤-57dBm/100kHz
1000MHz ~ 12.75GHz ≤-47dBm/1MHz

5.1.7.2 Test Setup

Please refer to 4.3 section description of test setup of test setup 1. The photo of test setup please refer to Test Setup Document.

5.1.7.3 Test Procedures

Follow 3GPP Standard TS 36.521-1 Section 7.9.

5.1.7.4 Test Result

Please refer to the appendix B of test data.

5.1.8 Leakage Power at No-carrier Transmission Measurement

5.1.8.1 Limit

Item Band Width Limit
Leakage Power at No-carrier Transmission 5 MHz ≤ -48.5dBm/4.5MHz
10 MHz ≤-48.5dBm/9MHz
15 MHz ≤ -48.5dBm/13.5MHz
20 MHz ≤ -48.5dBm/18MHz

5.1.8.2 Test Setup

Please refer to 4.3 section description of test setup of test setup 2. The photo of test setup please refer to Test Setup Document.

5.1.8.3 Test Procedures

Follow 3GPP Standard TS 36.521-1 Section 6.3.3

5.1.8.4 Test Result

Please refer to the appendix B of test data.

5.1.9 Comprehensive Operation Test

5.1.9.1 Limit

  1. Automatic identification function: The transmitter of each land mobile station communicating with a base station shall be identified automatically by a base station.
  2. Automatic channel switching function: It is preformed that has automatically channel switching communicating channel from base station to other base station.
  3. Traffic control function: The area in accordance is provided for the service of base station. The area resulting electric field strength required to provide for the service. It can be subdivided to match the traffic of the area.
  4. Automatic power control function: Based on the control information from the base station or the measurement of the received power of the radio wave from the base station, It has a function for automatically controlling that antenna power is the minimum.

5.1.9.2 Test Setup

Please refer to 4.3 section description of test setup of test setup 2. The photo of test setup please refer to Test Setup Document.

5.1.9.3 Test Result

All test methods meet the above upper limit requirements.

5.1.10 Construction Protection Confirmation Method

5.1.10.1 Limit

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

5.1.10.2 Test Method

5.1.10.3 Test Result

Test Result Image: An image showing the internal components of a device, with a ruler for scale, indicating measurements in millimeters. Components like circuit boards, shielding, and connectors are visible.

EUT TEST SETUP PHOTOS

SETUP PHOTOS

EUT Test Setup Photos: A photograph showing a computer monitor, keyboard, mouse, and system unit connected to test equipment, including a signal generator and spectrum analyzer, set up on a desk.

EUT EXTERNAL PHOTOS

Please refer to Report No. BTF250210R01001.

EUT INTERNAL PHOTOS

Please refer to Report No. BTF250210R01001.

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