2AV48-MAGNUS325Nuklz N 2.4GHz Wireless Large Font Keyboard

User’s manual TechDepotLtd. Nuklz N 2.4GHz Wireless Large Font Keyboard Magnus 325 Specification: Button number : 104 keys Button life : 1 million times Size : 450mm*157mm*21mm Weight :690±20g Features: 2.4G Wireless technology; Input: 3V 6mA Operation Frequency: 2402MHz - 2480MHz With 2*AAA battery for keyboard ; Support Windows/95 、 98 、 ME 、 NT 、 XP 、 Win7 、 Win8 、 Win10 、 etc. operating system. How to use the product: 1. Insert the 2*AAA batteries into the keyboard 2. Connect the USB receiver to the computer USB port 3. The system will check and install receiver automatically 4. No need to check the code , the device will be used after successful installation . Trouble shooting: If no function, take out the USB connector and plug into the PC port again Standard combination key functions FN+F1MediaFN+F7 Pause FN+F2 Volume- FN+F8 Stop FN+F3 Volume+ FN+F9 Web/Home FN+F4 Mute FN+F10 Email FN+F5 Prev track FN+F11 My Computer FN+F6 Next track FN+F12 My favorite FCC Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 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.

Tech Depot Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2021-06-21 Subject; Request for Long Term Confidentiality FCC ID: 2AV48-MAGNUS325 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Justin Brooks Title: President

Tech Depot Ltd. Agent Authorization Company: Tech Depot Ltd. Address: 2770 Arapahoe Rd Ste 132 - 1051, Lafayette, Colorado 80026, United States Product Name: Nuklz N 2.4GHz Wireless Large Font Keyboard Model Number(s): Magnus 325 Product Description: Nuklz N 2.4GHz Wireless Large Font Keyboard We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2021-06-21 Name: Justin Brooks Title: President Company: Tech Depot Ltd.

Page 1 of 4 Appendix B: Photographs of EUT Product: Nuklz N 2.4GHz Wireless Large Font Keyboard Model: Magnus 325 External Photos Page 2 of 4 Page 3 of 4 Page 4 of 4

Label Artwork and Location Model: Magnus 325 Label: Size: L*W=50*30mm Nuklz N 2.4GHz Wireless Large Font Keyboard Model: Magnus 325 FCC ID: 2AV48-MAGNUS325 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. Location

Page 1 of 2 Appendix B: Photographs of EUT Product: Nuklz N 2.4GHz Wireless Large Font Keyboard Model: Magnus 325 Internal Photos ANT Page 2 of 2

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AV48-MAGNUS325 Test Report No. ............... : TCT210602E016 Date of issue ................... : Jun. 15, 2021 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: TCT Testing Industrial Park Fuqiao 5th Industrial Zone, Fuhai Street, Bao'an District Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Tech Depot Ltd. Address ........................... : 2770 Arapahoe Rd Ste 132 - 1051, Lafayette, Colorado 80026, United States Manufacturer's name ... : SHENZHEN BLUE SOLIDS TECHNOLOGY CO., LTD Address ........................... : No. 256 Huafu Junda logistic park, Xintian Avenue, Fuhai Street, Bao'an District, Shenzhen, China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.249 ANSI C63.10:2013 Test item description ..... : Nuklz N 2.4GHz Wireless Large Font Keyboard Trade Mark ...................... : Nuklz N Model/Type reference..... : Magnus 325 Rating(s).......................... : DC 3V Date of receipt of test item ......................................... : Jun. 02, 2021 Date (s) of performance of test ................................... : See dates for each test case Tested by (+signature) ... : Brave Zeng Check by (+signature) .... : Beryl Zhao Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT210602E016 Page 2 of 30 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TABLE OF CONTENTS 1. General Product Information ............................................................ 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 3 2. Test Result Summary ........................................................................ 4 3. General Information .......................................................................... 5 3.1. Test Environment and Mode ................................................................................. 5 3.2. Description of Support Units ................................................................................ 5 4. Facilities and Accreditations ............................................................ 6 4.1. Facilities ................................................................................................................. 6 4.2. Location ................................................................................................................. 6 4.3. Measurement Uncertainty ..................................................................................... 6 5. Test Results and Measurement Data ............................................... 7 5.1. Antenna Requirement ............................................................................................................... 7 5.2. Conducted Emission ............................................................................................. 8 5.3. Radiated Emission Measurement ........................................................................ 9 5.4. 20dB Occupied Bandwidth ................................................................................. 21 Appendix A: Photographs of Test Setup Appendix B: Photographs of EUT Report No.: TCT210602E016 Page 3 of 30 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Test item description ........... : Nuklz N 2.4GHz Wireless Large Font Keyboard Model/Type reference........... : Magnus 325 Sample Number....................: TCT210602E016-0101 Operation Frequency ........... : 2402MHz - 2480MHz Number of Channel .............. : 16 Modulation Technology ....... : GFSK Antenna Type ........................ : PCB Antenna Antenna Gain ........................ : -0.61dBi Rating(s)................................ : DC 3V Remark .................................. : / Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. 1.3. Operation Frequency Channel Frequency Channel Frequency Channel Frequency Channel Frequency 1 2402MHz 5 2422MHz 9 2441MHz 13 2463MHz 2 2407MHz 6 2426MHz 10 2445MHz 14 2466MHz 3 2414MHz 7 2436MHz 11 2453MHz 15 2473MHz 4 2419MHz 8 2439MHz 12 2459MHz 16 2480MHz Note: In section 15.31(m), regards to the operating frequency range over 10 MHz, the Lowest frequency, the middle frequency, and the highest frequency of channel were selected to perform the test, and the selected channel see below: Channel Frequency The Lowest channel 2402MHz The Middle channel 2441MHz The Highest channel 2480MHz Report No.: TCT210602E016 Page 4 of 30 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. Test Result Summary Requirement CFR 47 Section Result Antenna Requirement §15.203 PASS AC Power Line Conducted Emission §15.207 N/A Field Strength of Fundamental §15.249 (a) PASS Spurious Emissions §15.249 (a) (d)/ §15.209 PASS Band Edge §15.249 (d)/ §15.205 PASS 20dB Occupied Bandwidth §15.215 (c) PASS Note: 1. Pass: Test item meets the requirement. 2. Fail: Test item does not meet the requirement. 3. N/A: Test case does not apply to the test object. 4. The test result judgment is…

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Page 1 of 1 Appendix A: Photographs of Test Setup Product: Nuklz N 2.4GHz Wireless Large Font Keyboard Model: Magnus 325 Radiated Emission