YJH-NX-900STATIONXepton NX 900M Stationary

Copyright ⓒ 2023. Lab-T, Inc. User Manual

Rev 1/26/2023 Maytel Co., Ltd 417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si, Gyeonggi-do Republic of Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Oct.04.2023 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: YJH-NX-900STATION Maytel Co., Ltd (“the applicant”) certifies that, as of the date of the filing of the application, CoachComm LLC is our designated U.S. agent for service of process for the above referenced FCC ID. Maytel Co., Ltd 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. CoachComm 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. Applicant Information: Name: Maytel Co., Ltd FRN: 0019951516 Address: 417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si, Gyeonggi-do, Republic of Korea Contact Person: Su Won, Bae Tel.: +82-31-487-5508 Email: [email protected] Designated U.S. Agent Information: Name: CoachComm LLC FRN: 0030213243 Address: 205 Technology Pkwy Auburn Alabama 36830, United States Contact Person: Thomas F Turkington Tel.: 3343212300 Email: [email protected] Sincerely, Su Won, Bae Thomas F Turkington President VP of Technology

Rev 1/26/2023 Maytel Co., Ltd 417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si, Gyeonggi-do Republic of Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Maytel Co., Ltd Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: YJH-NX-900STATION Maytel Co., Ltd (“the applicant”) 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. Sincerely, Maytel Co., Ltd Su Won, Bae (Applicant signature) Rev 1/26/2023 Maytel Co., Ltd 417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si, Gyeonggi-do Republic of Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Maytel Co., Ltd Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: YJH-NX-900STATION Maytel Co., Ltd (“the applicant”) 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, Maytel Co., Ltd Su Won, Bae (Applicant signature)

Maytel Co., Ltd 417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si, Gyeonggi-do Republic of Korea Date : Sep.22.2023 We, Maytel Co., Ltd hereby declare that the following products are Electrically Identical in Terms of RF parameters. - Product Type : Xepton NX 900M Stationary - Basic Model : Xepton NX-900 Stationary - Variant Model : XN-900 Stationary, XN-900 S - Manufacturer : Maytel Co., Ltd - FCC ID : YJH-NX-900STATION Variant Model These models have the same circuit schematic, construction, PCB layout and critical components. The difference between each model names used for each other different Buyers. Sincerely, (Signature) Su Won, Bae / President 417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si, Gyeonggi-do, Republic of Korea

Maytel Co., Ltd 417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si, Gyeonggi-do Republic of Korea Date: Sep.22.2023 Timco Engineering, Inc. 849 NW State Road 45 Newberry, FL 32669 SUBJECT: Application for Certification for FCC ID: YJH-NX-900STATION To Whom It May Concern: We, the undersigned, hereby authorize SangHoon, Yu at Lab-T, Inc. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by SangHoon, Yu at Lab-T, Inc. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, (Signature) Su Won, Bae / President +82-31-487-5508 417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si, Gyeonggi-do, Republic of Korea

Maytel Co., Ltd 417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si, Gyeonggi-do Republic of Korea Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: YJH-NX-900STATION Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name - Block Diagram - Schematics - Operational Description - 06. Block Diagram.pdf - 07. Schematics.pdf - 10. Operation Description.pdf 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. 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. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for a period of 180 days Exhibit Type File Name - RF Test Setup photos - Internal Photos - User Manual - 03. Test Setup Photos.pdf - 05. Internal Photos.pdf - 08. User Manual.pdf (Signature) Su Won, Bae / President +82-31-487-5508 417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si, Gyeonggi-do, Republic of Korea

Page: 1 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Page: 2 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Front Rear Page: 3 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Top Bottom Page: 4 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Left Right Page: 5 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Antenna Connection Port Dipole Antenna Page: 6 / 6 Copyright ⓒ 2023, Lab-T, Inc. External Photos Antenna Connector

Copyright ⓒ 2023. Lab-T, Inc. Label Information Copyright ⓒ 2023. Lab-T, Inc. 1. Location 2. Label

Page: 1 / 5 Copyright ⓒ 2023. Lab-T, Inc. Internal Photos Page: 2 / 5 Copyright ⓒ 2023. Lab-T, Inc. Internal Photos Main Board Front Main Board Rear Page: 3 / 5 Copyright ⓒ 2023. Lab-T, Inc. Internal Photos Sub Board Front Sub Board Rear Page: 4 / 5 Copyright ⓒ 2023. Lab-T, Inc. Internal Photos Inside Antenna Connection Port Page: 5 / 5 Copyright ⓒ 2023. Lab-T, Inc. Internal Photos Dipole Antenna Antenna Connector

1. FCC Regulation 2. RF Exposure Compliance Issue 1.0< 30 f=frequency in MHz, *= plane-wave equivalent power density MPE (Maximum Permissive Exposure) Prediction Predication of MPE limit at a given distance: Equation from page 18 of OET Bulletin 65, Edition 97-01 S = power density [mW/cm 2 ] P = Power input to antenna [mW] G = Power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna [cm] The information should be included in the user’s manual: This appliance and its antenna must not be co-located or operation in conjunction with any other antenna or transmitter. A minimum separation distance of 20 cm must be maintained between the antenna and the person for this appliance to satisfy the RF exposure requirements. According to §15.247(i), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy levels in excess of the Commission's guidelines. See § 1.1307(b)(1) of this Chapter. Limits for Maximum Permissive Exposure: RF exposure is calculated. Limits for General Population / Uncontrolled Exposure 0.3 ~ 1.346141.63*(100)< 30 Frequency Range Electric Field Strength [V/m] Magnetic Field Strength [A/m] Power Density [mW/cm 2 ] Averaging Time [minute] 1.34 ~ 30824/f2.19/f RF EXPOSURE FCC ID : YJH-NX-900STATION *(180/f 2 ) < 30 30 ~ 30027.50.0730.2< 30 300 ~ 1 500//f/1 500< 30 1 500 ~ 15 000// ( ) S PG R R PG S   4 4 2 =  = Copyright ⓒ 2022. Lab-T, Inc. Page :1 / 2 ( (Limit :0.62) R : Distance to the center of the radiation of the antenna20cm ) EIRP : Equivalent isotropic radiated power(mW) - NOTE P : Max tuneup power (dBm) G : Maximum peak antenna gain (dBi) Power Density at the specific separation - NOTE- S dBi 12.83dBm =19.19mW = 9.00dBm+ mW/cm 2 = 0.003 817 3.83 - EIRP=P + G = = S : Maximum power density(mW/cm 2 ) - Maximum Output Power for the calculation:9.00 dBm Maximum :9.00 dBm The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the The MPE Calculations for this exposure is shown below. dBi (& - Maximum Peak Antenna Gain:3.83 19.19/( 4 X 20^2 X π ) 1.00 dB8.00 dBm&± dBm) = Minimum :7.00 MPE Calculations - Frequency Range:902.5 MHz~927.0 MHz - Measured RF Maximum Output Power:8.95 dBm - Target Power & Tolerance: EIRP / (4 X R 2 X π) Copyright ⓒ 2022. Lab-T, Inc. Page :2 / 2

L~렐3 뼈 뿔 갱 삐} C 서이 - F 아 - 따 u T ’ - π nν M ” 빼 RF TEST REPORT Test Equipment Xepton NX 900M Stationary Model Name Xepton NX-900 Stationary Variant Model Name XN-900 Stationary, XN-900 S FCCID YJH-NX-90아OSTATION Date of receipt 2023-08-04 Te8t Duration 2023-08-29 -2023-09-04 Date of issue 2023-09-25 Applicant Maytel Co., Ltd #417 Doosan Venture Digm 126-1, Pyeongchon-dong Dongan-gu, Anyang-si, Gyeonggi-do, Republic of Korea Test Laboratory Lab-T.lnc. 2182-42 Baegok-daero, Mohyeon-eup, Cheoin-gu, Yongin-si Gyeonggi-do 17036, Korea(Republic of) Test Specification RF Output Power Test Result FCC Paπ 15 Subpart C 15.247 8.95 dBm Pass The above equipment was tested by Lab-T Testing Laboratory for compliance with the requirements of FCC Rules and Regulations. The test results presented in this test report are limited only to the sample supplied by applicant and the use of this test report is inhibited other than its purpose. This test report shall not be reproduced except in full, without the written approval of Lab-T, Inc This test report is not related to KOLAS. Engineer NamHyoung Kwon ‘~ Tested by: Reviewed by: Technical Manager SangHoon Yu TRF-R-003(OO) Page: 1 / 46 Copyright@ 2023, Lab-T, Inc. REPORT No.:TRRFCC23-0009 Total 46 pages TRF-R-003(00) Page: 2 / 46 Copyright ⓒ 2023, Lab-T, Inc. CONTENTS 1. Revision History ............................................................................................................................................. 3 2. Information ...................................................................................................................................................... 4 2.1 Applicant Information...................................................................................................................................... 4 2.2 Test Laboratory Information ........................................................................................................................... 4 2.3 Test Site.......................................................................................................................................................... 4 3. Information about Test Equipment ............................................................................................................... 5 3.1 Equipment Information ................................................................................................................................... 5 3.2 Antenna Information ....................................................................................................................................... 5 3.3 Test Frequency ............................................................................................................................................... 5 3.4 Tested Companion Device Information .......................................................................................................... 5 3.5 Equipment Channel List ................................................................................................................................. 6 4. Test Report ...................................................................................................................................................... 7 4.1 Summary ........................................................................................................................................................ 7 4.2 Measurement Uncertainty .............................................................................................................................. 8 4.3 Transmitter Requirements .............................................................................................................................. 9 4.3.1 Antenna Requirement .............................................................................................................................. 9 4.3.2 20 dB Bandwidth and Occupied Bandwidth .......................................................................................... 10 4.3.3 Number of Hopping Frequencies .......................................................................................................... 14 4.3.4 Average Time of Occupancy ................................................................................................................. 16 4.3.5 Carrier Frequencies Separation ............................................................................................................ 21 4.3.6 Peak Output Power ............................................................................................................................... 25 4.3.7 Spurious Emission, Band Edge, and Restricted Bands ........................................................................ 29 4.3.8 Conducted Emission ............................................................................................................................. 43 APPENDIX I .......................................................................................................................................................... 45 REPORT No.:TRRFCC23-0009 Total 46 pages TRF-R-003(00) Page: 3 / 46 Copyright ⓒ 2023, Lab-T, Inc. 1. Revision History Test Report No. Date Description TRRFCC23-0009 2023-09-25 Initial issue REPORT No.:TRRFCC23-0009 Total 46 pages TRF-R-003(00) Page: 4 / 46 Copyright ⓒ 2023, Lab-T, Inc. 2. Information 2.1 Applicant Information Applicant Name Maytel Co., Ltd Address #417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si Gyeonggi-do, Republic of Korea Telephone No. +82-32-487-5508 Person in charge Su Won, Bae / [email protected] Manufacturer Maytel Co., Ltd Address #417 Doosan Venture Digm 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si Gyeonggi-do, Republic of Korea 2.2 Test Laboratory Information Corporate Name Lab-T, Inc. Representative Duke (Jongyoung) Kim Address 2182-42 Baegok-daero, Mohyeon-eup, Cheoin-gu, Yongin-si, Gyeonggi-do 17036, Korea (Republic of) Telephone +82-31-322-6767 Fax +8…

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Copyright ⓒ 2023. Lab-T, Inc. Antenna Datasheet APPROVAL SHEET 900Mhz Antenna dipole antenna Supplier : Lynxtech 382-8 Go jan Dong Nam Dong Gu, Incheon,Korea Specification for approval Page 2 of 7 Table of Contents 1. APPLICATION SCOPE 2. OPERATING CONDITIONS 3. ELECTRONIC SPECIFICATIONS 4. APPEARANCE AND MECHANICAL SPECIFICATIONS 5. TEST METHOD AND DATA FOR ELECTRONIC SPECIFICATIONS 6. RELIABILITY ASSURANCE 7. Drawing Specification for approval Page 3 of 7 1. APPLICATION SCOPE THIS PRODUCT CAN BE USED IN RADIO TELECOMMUNICATION SYSTEM WITH 900MHz Band 2. OPERATING CONDITIONS NO. ITEMS SPECIFICATIONS 2-1 OPERATING ENVIRONMENT TEMPERATURE : -30~70°C HUMIDITY : ~85% RH 2-2 STORAGE ENVIRONMENT TEMPERATURE : -20~60°C HUMIDITY : ~65% RH 3. ELECTRONIC SPECIFICATIONS NO ITEMS SPECIFICATIONS 3-1 IMPEDANCE 50Ω 3-2 FREQUENCY RANGE 3-3 3-4 VSWR ≤ 2:1 4. APPEARANCE AND MECHANICAL SPECIFICATIONS NO. ITEMS SPECIFICATIONS 4-1 CONNECTOR DIRECT SOLDERING TO BOARD 4-2 COLOR NON 4-3 APPEARANCE AND DIMENSION REFER TO DRAWING 4-4 WEIGHT 0.5g 902MHz~927MHz PEAK GAIN≤ 3.83dBi Specification for approval Page 4 of 7 5. TEST METHOD AND DATA FOR ELECTRONIC SPECIFICATIONS NO. ITEMS SPECIFICATIONS CONDITION REMARK 5-1 IMPEDANCE 50Ω 5-2 SWR ≤ 2:1 5-3 TEST METHOD 5-4 TEST DATA (VSWR) ① ③ ② ④ 1. Network Analyzer : Agilent E5071B 2. Signal Interface : Coaxial Cable 3. SMA connector 4. Test fixture 902MHz~927MHz Specification for approval Page 5 of 7 5-5 Gain ≤ 2dBi 880Mhz ~960MHz 5-6 TEST METHOD 5-6 TEST DATA (Radiation Pattern) ① ② ④ ③ ⑤ 1. Network Analyzer : AGILENT E5071C 2. Test Antenna 3. Signal Interface : Coaxial Cable 4. Received Antenna : Double Ridged Horn Antenna 5. Shield Room : Dimension : 7.32 x 4.00 x 4.00 m, A. Quite Zone : 30 cm, B. Isolation : >100 dB Specification for approval Page 6 of 7 6. RELIABILITY ASSURANCE NO ITEMS SPECIFICATIONS 7-1 LOW TEMP EXPOSURE TEST TEMPERATURE：-30°C TIME：96 HOURS AFTER 2HOURS EXPOSURE IN ORDINARY FROM TEST， ANTENNAS SHALL BE APPROVED AS SPECIFIED IN ITEM 5 7-2 HIGH TEMP EXPOSURE TEST TEMPERATURE：70°C TIME：96 HOURS 7-3 HUMIDITY EXPOSURE TEST TEMPERATURE：60°C±2°C HUMIDITY : 85%RH TIME：88 HOURS 7-4 THERMAL SHOCK Temperature(°C) 1 cycle +70 -30 0 45 Min. Test cycle：20cycles 7-5 DROP TEST . HEIGHT：1.5m DIRCCTION：±X，±Y，±Z DROP TIMES：THREE DROPS PER PLANE Specification for approval Page 7 of 7 7.Drawing

Page: 1 / 4 Copyright ⓒ 2023. Lab-T, Inc. Test Setup Photos Page: 2 / 4 Copyright ⓒ 2023. Lab-T, Inc. Test Setup Photos Radiated Emission_9 kHz ~ 30 MHz Test distance : 3 m, Height of table : 0.8 m Radiated Emission_30 MHz ~ 1 GHz Test distance : 3 m, Height of table : 0.8 m Page: 3 / 4 Copyright ⓒ 2023. Lab-T, Inc. Test Setup Photos Radiated Emission_1 GHz ~ 10 GHz Test distance : 1 m, Height of table : 1.5 m Page: 4 / 4 Copyright ⓒ 2023. Lab-T, Inc. Test Setup Photos Conducted Emission_Front Conducted Emission_Rear