2AXCA-DGK710DGK710 Wireless Mechanical Keyboard

Hualing Dong, President

GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 1 of 6 EUT Constructional Details GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 6 GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 6 GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 4 of 6 GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 5 of 6 GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 6 of 6 -----End------

label location

GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 1 of 6 EUT Constructional Details GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 6 GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 6 GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 4 of 6 GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 5 of 6 BT module GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 6 of 6 -----End------ Antenna

FCC ID: 2AXCA-DGK710 Page 1 of 4 RF EXPOSURE EVALUATION According to FCC §§1.1307 and 447498 D04 Interim General RF Exposure Guidance v01, the available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold P th (mW). 1) Option A. 1-mW Test Exemption Per § 1.1307(b)(3)(i)(A), a single RF source is exempt RF device (from the requirement to show data demonstrating compliance to RF exposure limits, as previously mentioned) if the available maximum time-averaged power is no more than 1 mW, regardless of separation distance. This exemption applies to all operating configurations and exposure conditions, for the frequency range 100 kHz to 100 GHz, regardless of fixed, mobile, or portable device exposure conditions. This is a standalone exemption, and it cannot be applied in conjunction with any other test exemption. 2) Option B. SAR-Based Exemption A more comprehensive exemption, considering a variable power threshold that depends on both the separation distance and power, is provided in § 1.1307(b)(3)(i)(B). This exemption is applicable to the frequency range between 300 MHz and 6 GHz, with test separation distances between 0.5 cm and 40 cm, and for all RF sources in fixed, mobile, and portable device exposure conditions. Accordingly, a RF source is considered an RF exempt device if its available maximum time-averaged (matched conducted) power or its effective radiated power (ERP), whichever is greater, are below a specified threshold. This method shall only be used at separation distances (cm) from 0.5 centimeters to 40 centimeters and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by: FCC ID: 2AXCA-DGK710 Page 2 of 4 3) Option C MPE-Based Exemption An alternative to the SAR-based exemption is provided in § 1.1307(b)(3)(i)(C), for a much wider frequency range, from 300 kHz to 100 GHz, applicable for separation distances greater or equal to λ/2π, where λ is the free-space operating wavelength in meters. The MPE-based test exemption condition is in terms of ERP, defined as the product of the maximum antenna gain and the delivered maximum time-averaged power. For this case, a RF source is an RF exempt device if its ERP (watts) is no more than a frequency-dependent value, as detailed tabular form in Appendix B. These limits have been derived based on the basic specifications on Maximum Permissible Exposure (MPE) considered for the FCC rules in § 1.1310(e)(1). FCC ID: 2AXCA-DGK710 Page 3 of 4 In the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation. Where: a = number of fixed, mobile, or portable RF sources claiming exemption using the Table 1 formula for Pth, including existing exempt transmitters and those being added. b = number of fixed, mobile, or portable RF sources claiming exemption using the applicable Table 1 formula for Threshold ERP, including existing exempt transmitters and those being added. c = number of existing fixed, mobile, or portable RF sources with known evaluation for the specified minimum distance. P i = the available maximum time-averaged power or the ERP, whichever is greater, for fixed, mobile, or portable RF source i at a distance between 0.5 cm and 40 cm (inclusive). P th,i = the exemption threshold power (Pth) according to the Table 1 formula for fixed, mobile, or portable RF source i. ERP j = the available maximum time-averaged power or the ERP, whichever is greater, of fixed, mobile, or portable RF source j. ERP th,j = exemption threshold ERP for fixed, mobile, or portable RF source j, at a distance of at least λ/2π, according to the applicable Table 2 formula at the location in question. Evaluated k = the maximum reported SAR or MPE of fixed, mobile, or portable RF source k either in the device or at the transmitter site from an existing evaluation. Exposure Limit k = either the general population/uncontrolled maximum permissible exposure (MPE) or specific absorption rate (SAR) limit for each fixed, mobile, or portable sources, as applicable. FCC ID: 2AXCA-DGK710 Page 4 of 4 TEST RESULTS Table for Filed Antenna For BLE Antenna gain Antenna Type 3.12dBi PCB antenna For 2.4G Antenna gain Antenna Type 3.12dBi PCB antenna Test Result of RF Exposure Evaluation Operating Mode Frequency Output Power Ant. Gain EIRP EIRP Separation Distance (MHz) (dBm) (dBi) (dBm) (mW) (mm) BLE 2412 -5.97 3.12 -2.85 0.52 5 2.4G 2437 -4.86 3.12 -1.74 0.67 5 Note: 1. Output power including tune up tolerance 2. Tolerance=1 3. SAR and MPE evaluation is not required. End of Test Report

Approval sheet Page 1 of 11 RFPCA430816IMAB301_V01 Apr.2020 PCB ANTENNA 2.4 GHz Working Frequency Halogens Free Product P/N: RFPCA430816IMAB301 Customer： Customer ‘s Part No.： Approval No.： Issue Date： *Contents in this sheet are subject to change without prior notice. Approval sheet Page 2 of 11 RFPCA430816IMAB301_V01 Apr.2020 Version Date Description Author V01 2020 Apr. New Release SHLEE Approval sheet Page 3 of 11 RFPCA430816IMAB301_V01 Apr.2020 ELECTRICAL CHARACTERISTICS Item Specification Working Frequency Range 2.4 ~ 2.5 GHz(Note-1) Return Loss -10 dB(Max) Gain(peak) 3.12 dBi VSWR < 2.0 Impedance 50 Ohm Nominal Radiation Omni-directional Polarization Linear Vertical Operation Temperature －20°C ～ ＋65°C *Note 1. Central Frequency should be defined after customers’ application approval. MATERIAL TABLE Items Description Antenna PCB FR4 T=0.6mm(黑漆板) Cable Ø1.13 Cable (Black) Connector IPEX Compatible(Gold) Double Tape 3M9888T ORDERING RULE RF PCA 4308 16 I M A B 3 01 Type Code Product Code PCB Dimension (Unit: mm) Cable Length (unit: cm) Connector Brand Type of Connector Application Project status Wire Diameter Project Walsin RF Device PCB Antenna Per 2 digits of length, width e.g.: 4308 Length 43mm, Width 8.5mm 2 digits for cable length e.g.: 16 Length 16cm A: N C:MCX D:IPEX III E: IPEX IV F: IPEX A13 H: Hirose I: IPEX M: MMCX S: SMA T: TNC U:MURATA N: None A: Reverse Female B: Reverse Male F: Female M: Male N: None 0: 0GHz 3: 3GHz 5: 5GHz 6: 6GHz A: 2.4GHz ISM band B: GSM 900/1800 dual band G: GPS band L: 2.4/5.2/5.8 GHz tri-band N: NFC T: LTE band W: WCDMA band B: MP T:During Test X: Pile Run 0:None 1:∅0.81 2:∅1.32 3:∅1.13 4:Low Loss ∅1.13 5:∅0.5 6:RG316 7: ∅1.37 8:RG178 9:Low Loss ∅1.37 01~99 series number Approval sheet Page 4 of 11 RFPCA430816IMAB301_V01 Apr.2020 Dimensions Approval sheet Page 5 of 11 RFPCA430816IMAB301_V01 Apr.2020 Test Report ■ Experimental Setup Approval sheet Page 6 of 11 RFPCA430816IMAB301_V01 Apr.2020 Approval sheet Page 7 of 11 RFPCA430816IMAB301_V01 Apr.2020 ■ELECTRICAL CHARACTERISTICS Return Loss Approval sheet Page 8 of 11 RFPCA430816IMAB301_V01 Apr.2020 ■Antenna Efficiency & Peak Gain 2400~2500 MHz Approval sheet Page 9 of 11 RFPCA430816IMAB301_V01 Apr.2020 ■RADIATION PATTERN 2400~2500 MHz Phi=0.00deg Gain . dB Approval sheet Page 10 of 11 RFPCA430816IMAB301_V01 Apr.2020 Phi=90.00deg Gain . dB Approval sheet Page 11 of 11 RFPCA430816IMAB301_V01 Apr.2020 Theta=90.00deg Gain . dB

Global United Technology Services Co., Ltd. Report No.: GTSL2023070184F01 Authorized Signature: Robinson Luo Laboratory Manager This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 42 TEST REPORT Applicant: Zhuhai Hoksi Technology CO.,LTD Address of Applicant: Room803, No.3 BLDG, No.6, Pingbei 1 Rd., Nanping Technology&Industry Park, Xiangzhou St., ZhuHai, China Manufacturer: Zhuhai Hoksi Technology CO.,LTD Address of Manufacturer: Room803, No.3 BLDG, No.6, Pingbei 1 Rd., Nanping Technology&Industry Park, Xiangzhou St., ZhuHai, China Equipment Under Test (EUT) Product Name: DGK710 Wireless Mechanical Keyboard Model No.: DGK710 Trade Mark: N/A FCC ID: 2AXCA-DGK710 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of sample receipt: 2023.07.12 Date of Test: 2023.07.13-2023.07.21 Date of report issued: 2023.07.24 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTSL2023070184F01 Global United Technology Services Co., Ltd. No. 123- 128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 42 2 Version Version No. Date Description 00 July 24, 2023 Original Prepared By: Date: July 24, 2023 Project Engineer Check By: Date: July 24, 2023 Reviewer Report No.: GTSL2023070184F01 Global United Technology Services Co., Ltd. No. 123- 128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 42 3 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 VERSION ...................................................................................................................................................... 2 3 CONTENTS .................................................................................................................................................. 3 4 TEST SUMMARY ......................................................................................................................................... 4 5 GENERAL INFORMATION ......................................................................................................................... 5 5.1 GENERAL DESCRIPTION OF EUT ................................................................................................................ 5 5.2 TEST MODE ................................................................................................................................................ 7 5.3 DESCRIPTION OF SUPPORT UNITS ............................................................................................................... 7 5.4 DEVIATION FROM STANDARDS .................................................................................................................... 7 5.5 ABNORMALITIES FROM STANDARD CONDITIONS .......................................................................................... 7 5.6 TEST FACILITY ............................................................................................................................................ 7 5.7 TEST LOCATION .......................................................................................................................................... 7 6 TEST INSTRUMENTS LIST ........................................................................................................................ 8 7 TEST RESULTS AND MEASUREMENT DATA ...................................................................................... 10 7.1 ANTENNA REQUIREMENT ........................................................................................................................... 10 7.2 CONDUCTED EMISSIONS ........................................................................................................................... 11 7.3 CONDUCTED OUTPUT POWER ................................................................................................................... 14 7.4 CHANNEL BANDWIDTH .............................................................................................................................. 17 7.5 POWER SPECTRAL DENSITY ..................................................................................................................... 21 7.6 SPURIOUS EMISSION IN NON-RESTRICTED & RESTRICTED BANDS .............................................................. 23 7.6.1 Conducted Emission Method ............................................................................................................... 23 7.6.2 Radiated Emission Method ................................................................................................................... 30 8 TEST SETUP PHOTO................................................................................................................................ 42 9 EUT CONSTRUCTIONAL DETAILS ........................................................................................................ 42 Report No.: GTSL2023070184F01 Global United Technology Services Co., Ltd. No. 123- 128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 4 of 42 4 Test Summary Test Item Section in CFR 47 Result Antenna requirement 15.203/15.247 (c) Pass AC Power Line Conducted Emission 15.207 Pass Conducted Output Power 15.247 (b)(3) Pass Cha…

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Global United Technology Services Co., Ltd. Report No.: GTSL2023070184F02 Authorized Signature: Robinson Luo Laboratory Manager This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 41 TEST REPORT Applicant: Zhuhai Hoksi Technology CO.,LTD Address of Applicant: Room803, No.3 BLDG, No.6, Pingbei 1 Rd., Nanping Technology&Industry Park, Xiangzhou St., ZhuHai, China Manufacturer: Zhuhai Hoksi Technology CO.,LTD Address of Manufacturer: Room803, No.3 BLDG, No.6, Pingbei 1 Rd., Nanping Technology&Industry Park, Xiangzhou St., ZhuHai, China Equipment Under Test (EUT) Product Name: DGK710 Wireless Mechanical Keyboard Model No.: DGK710 Trade Mark: N/A FCC ID: 2AXCA-DGK710 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of sample receipt: 2023.07.12 Date of Test: 2023.07.13-2023.07.21 Date of report issued: 2023.07.24 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTSL2023070184F02 Global United Technology Services Co., Ltd. No. 123- 128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 41 2 Version Version No. Date Description 00 July 24, 2023 Original Prepared By: Date: July 24, 2023 Project Engineer Check By: Date: July 24, 2023 Reviewer Report No.: GTSL2023070184F02 Global United Technology Services Co., Ltd. No. 123- 128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 41 3 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 VERSION ...................................................................................................................................................... 2 3 CONTENTS .................................................................................................................................................. 3 4 TEST SUMMARY ......................................................................................................................................... 4 5 GENERAL INFORMATION ......................................................................................................................... 5 5.1 GENERAL DESCRIPTION OF EUT ................................................................................................................ 5 5.2 TEST MODE ................................................................................................................................................ 7 5.3 DESCRIPTION OF SUPPORT UNITS ............................................................................................................... 7 5.4 DEVIATION FROM STANDARDS .................................................................................................................... 7 5.5 ABNORMALITIES FROM STANDARD CONDITIONS .......................................................................................... 7 5.6 TEST FACILITY ............................................................................................................................................ 7 5.7 TEST LOCATION .......................................................................................................................................... 7 6 TEST INSTRUMENTS LIST ........................................................................................................................ 8 7 TEST RESULTS AND MEASUREMENT DATA ...................................................................................... 10 7.1 ANTENNA REQUIREMENT ........................................................................................................................... 10 7.2 CONDUCTED EMISSIONS ........................................................................................................................... 11 7.3 CONDUCTED OUTPUT POWER ................................................................................................................... 14 7.4 CHANNEL BANDWIDTH .............................................................................................................................. 17 7.5 POWER SPECTRAL DENSITY ..................................................................................................................... 21 7.6 SPURIOUS EMISSION IN NON-RESTRICTED & RESTRICTED BANDS .............................................................. 23 7.6.1 Conducted Emission Method ............................................................................................................... 23 7.6.2 Radiated Emission Method ................................................................................................................... 30 8 TEST SETUP PHOTO................................................................................................................................ 41 9 EUT CONSTRUCTIONAL DETAILS ........................................................................................................ 41 Report No.: GTSL2023070184F02 Global United Technology Services Co., Ltd. No. 123- 128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 4 of 41 4 Test Summary Test Item Section in CFR 47 Result Antenna requirement 15.203/15.247 (c) Pass AC Power Line Conducted Emission 15.207 Pass Conducted Output Power 15.247 (b)(3) Pass Cha…

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GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 1 of 3 Product Name: DGK710 Wireless Mechanical Keyboard Test Model No.: DGK710 Test Setup Photo Radiated Emission Below 30M GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 3 30M-1G Above 1G GTSL2023070184 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 3 Conducted Emission ------End------