EF400266Wireless KVM Extender TX+RX

Nice North America LLC 5919 Sea Otter Place, Suite 100, Carlsbad, California 92010, United States Date: 2025-12-30 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d) (5) (i) Filing FCC ID: EF400266 To Whom It May Concern: Nice North America LLC certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Nice North America LLC certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, Signatory [Scott Douglas, Director Engineering Services]

Nice North America LLC 5919 Sea Otter Place, Suite 100, Carlsbad, California 92010, United States Date: 2025-12-30 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Ref: Attestation Statements Part 2.911(d) (5) (ii) Filing FCC ID: EF400266 To Whom It May Concern: Nice North America LLC certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, Signatory [Scott Douglas, Director Engineering Services]

Nice North America LLC 5919 Sea Otter Place, Suite 100, Carlsbad, California 92010, United States Rev 1/26/2023 Date: 2025-12-30 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: EF400266 Applicant FRN: 0006674840 Nice North America LLC (“the applicant”) certifies that, as of the date of the filing of the application, Nice North America LLC is our designated U.S. agent for service of process for the above referenced FCC ID. Nice North America LLC accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Nice North America LLC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: Nice North America LLC U.S. Agent FRN: 0006674840 Address: 5919 Sea Otter Place, Suite 100, Carlsbad, California 92010, United States Contact Person: Scott Douglas Tel.: 707-778-5778 Email: [email protected] Sincerely, Nice North America LLC Nice North America LLC Scott Douglas Scott Douglas Signature: Signature:

Nice North America LLC 5919 Sea Otter Place, Suite 100, Carlsbad, California 92010, United States Agent Authorization Company: Nice North America LLC Address: 5919 Sea Otter Place, Suite 100, Carlsbad, California 92010, United States Product Name: Wireless KVM Extender TX+RX Model Number(s): GF-EXT-WIK-5G(RX) Product Description: Wireless KVM Extender TX+RX 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: 2025-12-30 Name: Scott Douglas Title: Director Engineering Services Company: Nice North America LLC

Nice North America LLC 5919 Sea Otter Place, Suite 100, Carlsbad, California 92010, United States Date: 2025-12-30 FEDERAL COMMUNICATIONS COMMISSION AUTHORIZATION AND EVALUATION DIVISION 7435 OAKLAND MILLS ROAD COLUMBIA, MD 21046 SUBJECT: FCC Application for FCC ID: EF400266 Confidentiality Request 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. ☒ Block Diagram ☐ Tune-Up Information ☒ Operational Description, SBOM ☒ Security Information ☒ Schematics ☐ Software Defined Radio (SDR) Information ☐ Parts List The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); ☒ External Photos ☒ Test Setup Photos ☒ Internal Photos ☒ User Manual ☐ For 45 days, pursuant to Public Notice DA 04-1705. or ☒ For 180 days pursuant to KDB 726920 D01. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Signatory [Scott Douglas, Director Engineering Services]

Reference No.: WTH25X09253890W001 Page 1 of 11 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format FCC ID: EF400266 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. Specifications: The label shall be securely affixed to a permanently attached part of the device, in a location where it is visible or easily accessible to the user, and shall not be readily detachable. The label shall be sufficiently durable to remain fully legible and intact on the device in all normal conditions of use throughout the device’s expected lifetime. Proposed Label Location on EUT FCC ID Label Location

1. RF Exposure Requirements 1.1 General Information Client Information Applicant: Nice North America LLC Address of applicant: 5919 Sea Otter Place, Carlsbad, CA 92010 USA Manufacturer: Nice North America LLC Address of manufacturer: 5919 Sea Otter Place, Carlsbad, CA 92010 USA General Description of EUT: Product Name: Wireless KVM Extender TX+RX Trade Name: / Model No.: GF-EXT-WIK-5G(RX) Adding Model(s): / Rated Voltage: DC5V Battery Capacity: / Power Adapter: NBS12E050200UV Input:AC100-240V 50/60Hz 0.3A Output:DC5V2.0A FCC ID: EF400266 Equipment Type: Mobile device Technical Characteristics of EUT: Wi-Fi 5G Support Standards: 802.11a, 802.11n(HT20) , 802.11n-HT40, 802.11ac-VHT20, 802.11ac-VHT40,802.11ac-VHT80 Frequency Range: 5180-5240MHz Max. RF Output Power: Antenna 1: 12.87dBm (Conducted) Antenna 2: 12.94dBm (Conducted) Type of Modulation: QPSK, 16QAM, 64QAM,256QAM Type of Antenna: External Antenna Antenna Gain: 5.93dBi 1.2 RF Exposure Exemption According to §1.1307(b)(3) and KDB 447498 D04 Interim General RF Exposure Guidance v01, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. Option A: FCC Rule Part 1.1307 (b)(3)(i)(A):The available maximum time-averaged power is no more than 1mW, regardless of separation distance. Option B: FCC Rule Part 1.1307 (b)(3)(i)(B): 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) described in the following formula. P th is given by: Option C: FCC Rule Part 1.1307 (b)(3)(i)(C): The minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. R must be at least λ/2π, where λ is the free-space operating wavelength in meters. Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R 2 1.34-30 3,450 R 2 /f 2 30-300 3.83 R 2 300-1,500 0.0128 R 2 f 1,500-100,000 19.2R 2 For Multiple RF sources: FCC Rule Part 1.1307(b)(3)(ii): (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). (B) 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. 1.3 Calculated Result Radio Access Technology Prediction Frequency Output Power Antenna Gain Duty Cycle Tune-Up Time-Averaged Power ERP (MHz) (dBm) (dBi) (%) (dBm) (dBm) Wi-Fi 5G ANT 1 5180 12.87 5.93 100 13.00 16.78 Wi-Fi 5G ANT 2 5180 12.94 5.93 100 13.00 16.78 Frequency Option Min. Distance Max. Power Exposure Limit Ratio Result (MHz) (cm) (dBm) (mW) (mW) Pass/Fail 5180 C 20.00 16.78 47.64 768.00 0.06 Pass 5180 C 20.00 16.78 47.64 768.00 0.06 Pass Note: 1. Time-Averaged Power=Output Power * Duty Cycle; ERP= Time-Averaged Power+ Antenna gain-2.15dB 2. Option A, B and C refers as clause 1.2. 3. For option B, Max (time-averaged power, effective radiated power (ERP)) converts to Max. Power. For option C, ERP converts to Max. Power; 4. For option B, P th (mW) converts to Exposure Limit (mW); For option C, ERP (W) converts to Exposure Limit (mW). 5. Ratio= Tune-Up ERP (mW)/ Exposure Limit (mW) Mode for Simultaneous Multi-band Transmission: Radio Access Technology Ratio 1 Ratio 2 Simultaneous Ratio Limit Result Pass/Fail ANT 1 + ANT 2 0.06 0.06 0.12 1.0 Pass Result: Pass

ShenZhen HuaDeChang Technology Co.,Ltd Specification Customer Shenzhen Lenkeng Technology Co.,Ltd P/N Specs Ф13 5G SMA（M） Antenna Black ModelH268-10001 Date2023/6/8 Customer R&DENGINEERINGAPPROVED Manufacturer APPROVEDCHECKEDMAKED SongDaniel P/N:H268-10001-BREV.:X1Date:6/23/2023 A4401,A4201A,Building16,Workshop,JunfengIndustrialPark,ChongqingRoad,Heping Community,FuhaiStreet,Bao'anDistrict,Shenzhen Contents ItemPagination 1.Cover1 2.Contents2 3.Productspecification3 4.ProductDrawing4 5.VNATestPattern5 6.MicrowaveUnreflectedChamberTestReport6 7.AntennaParameterSpecification7 8.MaterialsRoHSSheet8 9.MaterialsRoHSReportAttachment P/N:H268-10001-BREV.:X1Date:6/23/2023 A4401,A4201A,Building16,Workshop,JunfengIndustrialPark,ChongqingRoad,Heping Community,FuhaiStreet,Bao'anDistrict,Shenzhen Productspecification ●ElectricalPerformance: 1.FrepuencyRange:5.15GHz~5.825GHz 2.Lmpedance:50Ohmsnominal 3.VSWR :≦1.92 4.Admittedpowerradlation:1W 5.RadationofRadlation:Toroidal 6.Radiation:Omni 7.Polarization:Vertical 8.ConnctorType:SMAP/R ●Mechanicalproperties: 1.Cable:RG-178,50Ohm 2.Operationtemperaturerange:-2 0°C ~+70 °C 3.Storagetemperaturerange :-30°C ~+80 °C 4.Color:Black Frequency Rang:5.15GHz~5.825GHz Return Loss:-10.0 dB or less VSWR:1.92 Max Specification: ROHS ROHS ±0.1 ±0.2 .XX .X ±0.5X. .XXX ±0.05 ±1.0 XX. 深圳市华德昌科技有限公司 ShenZhen HuaDeChang Technology Co.,Ltd HuaDeChang DESCRIPTION NO Q'TY 3 1 4 1 REMARK Antenna Cap 2 TPEE,Color: Black REVISION Date REV. A NEW ISSUE 2023.06.23 ROHS ROHS Label 1PCS/ Bag Packing:20PCS/Bag Cable PBT+PC,Color:Black 1 HDC-268 H268-10001-B 5G ANTENNA RG-178 Cable,Transparency Brown,50Ω 4 Rivet Product Drawing 1 13.0±0.1 13.0±0.1 3 201±2 225±2 2 3 1 5 Connector SMA Straight Plug Reverse for RG-178,Female 2 1 Upper Base PBT+PC,Color:Black Blue Dot Brass Enclosure 1. Carton should be 1 PCS/ROHS label on the carton label 2. Carton need to post 1 PCS/carton label on the carton side top right corner P/N:H268-10001-BREV.:X1Date:6/23/2023 A4401,A4201A,Building16,Workshop,JunfengIndustrialPark,ChongqingRoad,Heping Community,FuhaiStreet,Bao'anDistrict,Shenzhen VNAtestpattern P/N:H268-10001-B Specification:5G5dBiANTENNA(Black) TestItem:ReturnLoss/VSWR P/N:H268-10001-BREV.:X1Date:6/23/2023 A4401,A4201A,Building16,Workshop,JunfengIndustrialPark,ChongqingRoad,Heping Community,FuhaiStreet,Bao'anDistrict,Shenzhen Laboratorytestreport TestItem:AntennaEfficiency/PeakGain Freq. (MHz) Gain (dBi) Directivity (dBi) Efficiency (%) 5150.05.315.8189.2% 5250.05.936.0796.8% 5350.05.906.1993.5% 5450.05.896.2292.6% 5550.05.805.9796.2% 5650.05.886.3290.5% 5750.06.046.4890.3% 5850.05.506.0089.0% 5150MHz5350MHz 5850MHz Parameter Specification 1、Technical Specifications 5.15~5 Frequency Range .825GHz S.W.R ≤1.9 2 Ga in Connection Type SMA Impedance 50 Ohm 2、Reli ability Test ItemTest ConditionSpecification Storage Environment Normal electrical and mechanical Temperature, humidity, and air pressure are tested in the absence of specified conditions: properties High and low 1.emperature-30°C～+80°C 2.Relative humidity 45%-85% 3.pressure 86kpa-106kpa) temperature test The dimensions shall meet Between 70 and 40 degrees C for 5 cycles, and then under normal conditions 1-2H, check the appearance quality。 the requirements and shall meet the requirements of the mechanical and electrical properties. Resistance to constant damp heat test Relative humidity 95 + 3%, test temperature: 40 degrees C, after continuing the role of 2H, after testing the electrical performance of the 5min within the test, the sample in the normal environment 1-2H, check the appearance quality vibration test Normal electrical and mechanical Frequency range 10-55HZ, displacement amplitude 0.35MM, acceleration amplitude 50.0M/S, frequency sweep cycle times 30 times properties Drop test Drawing 1m Altitude drop force test Ultraviolet Confirm the strength of the product by using push pull tester：≧10N aging test 2.0(nominal) 1.0GHz 2.9(nominal) 2.0GHz 3.2(nominal) 2.4GHz 3.7(nominal) 3.0GHz 4.3(nominal) 4.0GHz 4.8(nominal) 5.0GHz Allow yellow but with Test temperature：50°C time：4hr different color Attenuation value 5.3(nominal) 6.0GHz 3.3dB/m (at20°C) SHENZHEN HUADECHANG TECHNOLOGY CO.,LTD Raw material hazardous substances management table Product:RF Antenna Assembly Supplier Part No. ITEMRAW MATERIALRAW MATERIAL SUPPLIER Cd (ppm) Pb (ppm) Cr6+ (ppm) Hg (ppm) PBBS (ppm) PBDES (ppm) Testing Agency Test Report Number Date 1RG-178 Silver Cooper JIANGSU YUANDA N.DN.DNegativeN.DN.DN.D CTIA2220412031101018 2022.09.29 FEP N.DN.DN.DN.DN.DN.D Tinned Cooper N.DN.DNegativeN.DN.DN.D Color Masterbatch N.DN.DN.DN.DN.DN.D 2Antenna CapABS CHIMEI N.DN.DN.DN.DN.DN.DTUV238550813d 001 2022.08.10 3Upper BasePBT+PC SHINKONG N.DN.DN.DN.DN.DN.DSGSETR22800750 2022.08.10 4Bottom BasePBT+PC SHINKONG N.DN.DN.DN.DN.DN.DSGSETR22800750 2022.08.10 5RivetPBT+PC SHINKONG N.DN.DN.DN.DN.DN.DSGSETR22800750 2022.08.10 6SMA Plug Resin Emulsion UNIRES N.DN.DN.DN.DN.DN.DSGSCANEC2227954524 2023.01.04 Pigment Paste UNIRES N.DN.DN.DN.DN.DN.DSGSCANEC2227954514 2023.01.04 NI-Plated LIANFENG N.DN.DN.DN.DSGSSZXEC2203378506 2022.10.25 Gold-Plated LIANFENG N.DN.DN.DN.DSGSSZXEC2203378502 2022.10.25 TeflonHUAMEI N.DN.DN.DN.DN.DN.DSGSCANEC2222757410 2022.11.02 BrassYIFENG N.D21314N.DN.DN.DN.DAZTAZT032206080014C-020 2022.06.12 7Solid ColumnZinc Alloy CHENGJUN N.D17N.DN.DN.DN.DSGSSZXEC2300031414 2023.01.11 8Copper PipeBrass YUANDING N.D33NegativeN.DSGSNGBEC22001696604 2022.06.06 9SpringBrass QI FENG N.D21NegativeN.DSGSSZXEC23000111403 2023.02.24 10 Heat Shrink Tubing PE WORE N.DN.DN.DN.DN.DN.DSGSCANEC2211474412 2022.06.08 11TonerColor Masterbatch LONGCHANGSHENG N.DN.DN.DN.DN.DN.DCTIA2220225981101002 2022.06.10

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 109 TEST REPORT Reference No. ................... .: WTH25X09253890W001 FCC ID ............................... .: EF400266 Applicant .......................... .: Nice North America LLC Address ............................ .: 5919 Sea Otter Place, Carlsbad, CA 92010 USA Manufacturer .................... .: The same as Applicant Address ............................ .: The same as Applicant Product Name .................. .: Wireless KVM Extender TX+RX Model No. .......................... .: GF-EXT-WIK-5G(RX) Standards ......................... .: FCC Part 15.407 Date of Receipt sample ... .: 2025-09-19 Date of Test....................... .: 2025-11-18 to 2025-12-04 Date of Issue .................... .: 2025-12-09 Test Report Form No. ...... . : WTX_Part 15_407W Test Result ........................ .: Pass Remarks: The 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 approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Dashan Chen/Project Engineer Jason Su/Manager Reference No.: WTH25X09253890W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 109 TABLE OF CONTENTS 1. GENERAL INFORMATION ................................................................................................................................... 5 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ............................................................................... 5 1.2 TEST STANDARDS ................................................................................................................................................... 6 1.3 TEST METHODOLOGY ............................................................................................................................................. 6 1.4 TABLE FOR PARAMETERS OF TEST SOFTWARE SETTING ......................................................................................... 6 1.5 EUT OPERATING DURING TEST .............................................................................................................................. 8 1.6 TEST FACILITY ....................................................................................................................................................... 8 1.7 EUT SETUP AND TEST MODE ................................................................................................................................. 9 1.8 MEASUREMENT UNCERTAINTY ............................................................................................................................ 10 1.9 TEST EQUIPMENT LIST AND DETAILS ................................................................................................................... 11 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 15 3. ANTENNA REQUIREMENT ................................................................................................................................ 16 3.1 STANDARD APPLICABLE ....................................................................................................................................... 16 3.2 EVALUATION INFORMATION ................................................................................................................................ 16 4. AUTOMATICALLY DISCONTINUE TRANSMISSION .................................................................................. 17 4.1 STANDARD APPLICABLE ....................................................................................................................................... 17 4.2 SUMMARY OF TEST RESULTS ............................................................................................................................... 17 5. POWER SPECTRAL DENSITY ........................................................................................................................... 18 5.1 STANDARD APPLICABLE ....................................................................................................................................... 18 5.2 TEST PROCEDURE ................................................................................................................................................. 18 5.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 19 6. EMISSION BANDWIDTH AND OCCUPIED BANDWIDTH ........................................................................... 20 6.1 STANDARD APPLICABLE ....................................................................................................................................... 20 6.2 TEST PROCEDURE ................................................................................................................................................. 20 6.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 22 7. MAXIMUM CONDUCTED OUTPUT POWER .................................................................................................. 23 7.1 STANDARD APPLICABLE ....................................................................................................................................... 23 7.2 TEST PROCEDURE .............................................................................................................................................…

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