2APOP-SC-530KBM2.4G Wireless Keyboard Combo

User manual 1:The USB receiver dongle can be found inside the keyboard battery compartment.Insert the USB dongle into your computer’s USB port.Only 1 USB dongle is necessary to operate keyboard. 2:Insert 2 “AAA”batteries into each keyboard . 3:Software drivers will automatically install.keyboard should begin working immediately. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure statement. The device can be used in portable exposure condition without restriction Warning: Changes or modifications to this unit not expressly approved by the part responsible for compliance could void the user’s authority to operate the equipment 2. Any Changes or modifcations not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment

Marsk T Co., limited Statement Product Name: 2.4G Wireless Keyboard Combo Model No.: SC-530KBM，SC-531KBM We( Marsk T Co., limited ; 702, Baishiwei business building, Fuwei West Street 39, Fuyong, Baoan, Shenzhen, China. ) hereby state that all models above are identical in interior structure, electrical circuits and components, and just the model names are different for marking requirement. Signature: Name / title: Tina Wang / Manager Tel: +0755-84847799-8031 Date: 2019/7/17

C5266091_X8_Ed.1 1/1 Letter of Authorization < Marsk T Co., limited > Company: Marsk T Co., limited Address: 702, Baishiwei Business Building, Fuwei West, Street 39, Fuyong, Baoan, Shenzhen, China Product Name: 2.4G Wireless Keyboard Combo Model Number: SC-530KBM, SC-531KBM FCC Identifier: 2APOP-SC-530KBM We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Tina Wang Date: 10/31/20 Title: Manager Signature of applicant:

C5266091_X10_Ed.2 1/1 <Marsk T Co., limited> Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date:2020-10-12 Subject: Request for Confidentiality FCC ID: 2APOP-SC-530KBM To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long‐Term Confidentiality may be permitted under special conditions (See II. LONG‐TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short‐Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name: Tina Wang Title: Manager

- Page 1 of 6 - Report No.: MTi20082518-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China APPENDIX 1: EUT PHOTO Photo 1 (For model SC-530KBM) Photo 2 - Page 2 of 6 - Report No.: MTi20082518-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 3 Photo 4 - Page 3 of 6 - Report No.: MTi20082518-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 5 Photo 6 - Page 4 of 6 - Report No.: MTi20082518-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 7 Photo 8 - Page 5 of 6 - Report No.: MTi20082518-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 9 Photo 10 - Page 6 of 6 - Report No.: MTi20082518-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 11 ----END OF REPORT----

50MM*40MM Model: SC-530KBM Rating Input: 3V 5mA MARSKT Co., LTD Address：702, Baishiwei business building, Fuwei West Street 39, Fuyong, Baoan, Shenzhen, China. FCC ID: 2APOP-SC-530KBM This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

- Page 1 of 4 - Report No.: MTi20082518-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China APPENDIX 1: EUT PHOTO Photo 1 (For model SC-530KBM) Photo 2 - Page 2 of 4 - Report No.: MTi20082518-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 3 Photo 4 PCB RX Antenna - Page 3 of 4 - Report No.: MTi20082518-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 5 Photo 6 PCB TX Antenna - Page 4 of 4 - Report No.: MTi20082518-2E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 7 ----END OF REPORT----

- Page 1 of 23 - Report No.: MTi20082518-2E1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Test Report FCC ID: 2APOP-SC-530KBM Date of issue: Sept. 22, 2020 Report number: MTi20082518-2E1 Sample description: 2.4G Wireless Keyboard Combo Mo d e l( s ) : SC-530KBM, SC-531KBM Applicant: Marsk T Co., limited Address: 702, Baishiwei business building, Fuwei West Street 39, Fuyong, Baoan, Shenzhen, China Date of test: Agu. 31, 2020 to Sept. 22, 2020 Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 23 - Report No.: MTi20082518-2E1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Table of Contents 1 GENERAL DESCRIPTION ..................................................................................................................................... 4 1.1 FEATURE OF EQUIPMENT UNDER TEST (EUT) ................................................................................................................... 4 1.2 OPERATION CHANNEL LIST ........................................................................................................................................... 4 1.3 TEST FREQUENCY CHANNEL ......................................................................................................................................... 5 1.4 EUT OPERATION MODE .............................................................................................................................................. 5 1.5 ANCILLARY EQUIPMENT LIST ......................................................................................................................................... 5 2 SUMMARY OF TEST RESULT ............................................................................................................................... 5 3 TEST FACILITIES AND ACCREDITATIONS .............................................................................................................. 6 3.1 TEST LABORATORY...................................................................................................................................................... 6 3.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 6 3.3 MEASUREMENT UNCERTAINTY ...................................................................................................................................... 6 3.4 TEST SOFTWARE ........................................................................................................................................................ 6 4 LIST OF TEST EQUIPMENT .................................................................................................................................. 7 5 TEST RESULT ...................................................................................................................................................... 8 5.1 ANTENNA REQUIREMENT ............................................................................................................................................ 8 5.1.1 Standard requirement ................................................................................................................................. 8 5.1.2 EUT Antenna ............................................................................................................................................... 8 5.2 AC POWER LINE CONDUCTED EMISSION ......................................................................................................................... 9 5.2.1 Limits ........................................................................................................................................................... 9 5.2.2 Test setup .................................................................................................................................................... 9 5.2.3 Test procedure ........................................................................................................................................... 10 5.2.4 Test results ................................................................................................................................................ 10 5.3 FIELD STRENGTH OF FUNDAMENTAL AND HARMONIC EMISSIONS ....................................................................................... 11 5.3.1 Limits ......................................................................................................................................................... 11 5.3.2 Test Method .............................................................................................................................................. 11 5.3.3 Test Result ................................................................................................................................................. 12 5.4 20DB AND 99% BANDWIDTH .................................................................................................................................... 13 5.4.1 Limits ......................................................................................................................................................... 13 5.4.2 Test method ............................................................................................................................................... 13 5.4.3 Test result .................................................................................................................................................. 14 5.5 RADIATED SPURIOUS EMISSION ..........................................…

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Model: SC-530KBM Keyboard