WBK-RU243171Remote Radio Unit

RU2431UserManual RU2431 UserManual RU2431UserManual 1.InstallationandConnection 1.1EquipmentShapeandInterface TheoverallappearanceoftheRRUisshowninFigure1-1. Figure1-1OverallAppearance FrontPanelisshowninFigure1-2. Figure1-2FrontPanel No.InterfaceNameDescription 1CH1LTERFoutputport1 2CH2LTERFoutputport2 3OPSOpticalPort_Slave 4OPMOpticalPort_Master 5DEBUGEthernetDebugPort RU2431UserManual 6GEAlarmOutputPort 7PWRPowerConnector 8OPSOPSIndicator 9OPMOPMIndicator 10RUNSystemRunningIndicator 1.2InstallationPreparation BeforestartingtoinstalltheRRU,thefollowingconditionsmustbeconfirmed: Acomputerwitha10/100/1000Base-TXadaptivefastEthernetcardandanetworkcable. TheIPaddressofthecomputer'sEthernetcardisinthesamenetworksegmentasthedevice configuration. ItisrecommendedtouseabrowserofMicrosoftIE6.0orabove. 1.3DeviceConnection TheworkingconnectionoftheRRUisshownintheFigure1-3below. Figure1-3DeviceConnectionDiagram PlacetheGPSnearawindowwithaclearviewoftheskyforbettersatellite identification. 1.4InstallationRules WheninstallingtheRRU,thefollowingprinciplesandprecautionsmustbeobserved: Theinstallationlocationoftheequipmentshouldmeettheengineeringdesign requirements. Installtheequipmentverticallyonthewalltoensuretheconvenienceandaestheticsof theinstallation.Theunusedoutletholesshouldbeprotectedwithcorrespondingplugs. RU2431UserManual Installtheequipmentinaplacethatiswellventilated,dry,andconducivetoheat dissipation.Donotplaceitinornearaplacewithaheatsource.  Installtheequipmentinaplacewherethereisnodirectsunlightorlessdirectsunlight, suchasashadedplace.Donotplaceatthesmokeoutletpipe,orinaplacewherewater passesthrough,suchasawaterpipe. Keepawayfrompollutionsourcesandinstalltheequipmentatleast1kmawayfrom chemicalplantsandseasidesaltlakes. Thestrengthoftheequipmentinstallationshouldbeabletowithstandanearthquakeof magnitude8. 1.5RRUInstallation 1.5.1InstallationAccessories TheinstallationaccessoriesareshowninTable1-1.Userscanuseacombinationof differentaccessoriesaccordingtotheinstallationscenario. Table1-1ListofAccessories RU2431UserManual 1.5.2InstallationSpace 1.5.3WallMounting(BackAgainsttheWall) 1.Attachthe[5]Handletothesideofthedevicewith[2]M6*14ScrewsusingtheT5 wrench. 2.Fixthe[8]MountingBracketIonthebackofthedevicewith[2]M6*14Screwsusing theT5wrench. RU2431UserManual 3.Putthe[9]MountingBracketIIonthewallandmarkthepositionofthedrilledholes. Note:R=13mm. 4.Drill4holesatthemarkedpositions.Note:H=70mm 5.Usethehammerdrilltofixthe[6]ExpansionBoltstothewall. Note:Ifyouneedtoinstallmultipledevicesatthesametime,youcanuse[9]Mounting BracketIIasareferencetocontrolthedistanceofeachdevice. RU2431UserManual 6.Hangthedeviceverticallyonthe[9]MountingBracketIIandfixitwith[1]M10Nuts, [3]M10FlatWashers,and[4]M10SpringWashers. 7.Connectthe[8]MountingBracketIto[9]MountingBracketIIbyusing[2]M6*14 Screws. RU2431UserManual 8.Connectandtightenthe[10]PowerLeadand[11]GroundWireonthethedevice. 1.5.4WallMounting(SideMounting) 1.Attachthe[5]Handletothesideofthedevicewith[2]M6*14ScrewsusingtheT5 RU2431UserManual wrench. 2.Fixthe[8]MountingBracketIontheleftofthedevicewith[2]M6*14Screwsusingthe T5wrench. 3.Putthe[9]MountingBracketIIonthewallandmarkthepositionofthedrilledholes. Note:R=13mm. RU2431UserManual 4.Drill4holesatthemarkedpositions.Note:H=70mm 5.Usethehammerdrilltofixthe[6]ExpansionBoltstothewall. Note:Ifyouneedtoinstallmultipledevicesatthesametime,youcanuse[9]Mounting BracketIIasareferencetocontrolthedistanceofeachdevice. 6.Hangthedeviceverticallyonthe[9]MountingBracketIIandfixitwith[1]M10Nuts, [3]M10FlatWashers,and[4]M10SpringWashers. RU2431UserManual 7.Connectthe[8]MountingBracketIto[9]MountingBracketIIbyusing[2]M6*14 Screws. 8.Connectandtightenthe[10]PowerLeadand[11]GroundWireonthethedevice. RU2431UserManual 1.5.5PoleInstallation 2.RRUNetworkConfiguration 2.1SettingUptheClientComputer BeforeloggingintotheWebclient,youmustfirstsettheIPaddressintheclientcomputer toensurethattheclientcomputerisconnectedtotheRRU.TakeWindows10asan example. 1.Click"Start>ControlPanel”andclick"NetworkandInternet"inthepop-upwindow. 2.Click"Viewnetworkstatusandtasks”andclick"LocalAreaConnection"inthepop-up window. 3.Inthepop-up"LocalAreaConnectionStatus"dialogbox,click"Properties",andthen youwillseethe"LocalAreaConnectionProperties"window. 4.Select"InternetProtocolVersion4(TCP/IPV4)"andthenclick"Properties",youwillsee apop-upwindowasshowninFigure2-1. 5.Check"UsethefollowingIPaddress”andentertheIPaddress,Subnetmaskanddefault gateway,andclick"OK". IPaddress:10.7.3.xxx(Recommendedvalueis100~199); Subnetmask:255.0.0.0; Defaultgateway:Optional. RU2431UserManual Figure2-1SettingClientIPAddress 6.Performping10.7.3.200inacommandlinewindowtocheckthenetworkconnectivity betweentheclientcomputerandtheRRU. 2.2LoginWebMaintenancePage Enterhttps://10.7.3.200inthebrowseraddressbartoopenthewebclientloginpage. 10.7.3.200istheinitialIPaddressoftheWANinterface.Enteryourusername, passwordtologin.Theusernameandpasswordare“admin”. 3.ParametersConfiguration 3.1Overview 3.2CarrierConfiguration ModifythesettingsforCarrier0,1,2and3simultaneously. RU2431UserManual 4.ParametersInquiry 4.1UplinkandDownlinkBasebandPowerInquiry 4.2SoftwareVersionInquiry RU2431 User Manual 5. Version Upgrade Please take attention that changes or modification not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 770cm between the radiator & your body.

FCC COVERED LIST DECLARATION LETTER Page 1 of 1 Revision 1.0 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name BTI Wireless. Address 11205 Knott Avenue – Suite A, Cypress, CA 90630 United States FRN 0033462680 Grantee Code WBK FCC ID: WBK-RU243171 Authorized Contact Name Beth Zhang Contact Phone 630-303-1995 Contact Email [email protected] BTI Wireless.. (“the applicant”) certifies: - 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. - as of the date of the filing of the application, the applicant [is / is not] identified on the Covered list, established pursuant to §1.50002, as an entity producing “covered” equipment. - the software to be loaded prior to marketing of the equipment identified above is not “covered” software manufactured by any entity including predecessors, successors, parents, subsidiaries, affiliates or any entity which has rebranded or relabeled the software produced by the entity(ies) identified on the “Covered List”. - the device is not capable of storing or running software listed on the covered list and therefore is inherently compliant. NOTE: Justification/evidence explaining how compliance is met must accompany this letter Link to the Covered List: Covered List Applicant Signature: Date: 2026-01-23 Print Name: Beth Zhang Title: Vice President of Technology *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

Applicant Declaration QSF27-14-04 Rev 1.4 April 25, 2025 Page 1 of 1 Original Issue: Jan. 4, 2021 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name BTI Wireless. Address 11205 Knott Avenue – Suite A, Cypress, CA 90630 United States FRN 0033462680 Grantee Code WBK FCC ID: WBK-RU243171 Authorized Contact Name Beth Zhang Contact Phone 630-303-1995 Contact Email [email protected] I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules, c) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d) in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO 17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g) the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc. terms and conditions as specified in the TCB Application Form 731 (QSF27-14-01). Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Link to the Covered List: Covered List Applicant Signature: Date: 2026-01-23 Print Name: Beth Zhang Title: Vice President of Technology *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

UNITED STATES DESIGNATED AGENT LETTER Date: 2026/1/26 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Applicant U.S. designated agent Company Name: BTI Wireless Company Name: WBK 0033462680 Grantee Code: FRN: Contact Name: Beth Zhang FRN: Contact Name: Address: BTI Wireless 0033462680 Beth Zhang 11205 Knott Avenue – Suite A, Cypress, CA 90630 United States Address: 11205 Knott Avenue – Suite A, Cypress, CA 90630 United States City/Province/Zip: Cypress/ California/ 90630 City/Province/Zip: Cypress/ California/ 90630 Telephone: 630- 303- 1995 Telephone: 630- 303- 1995Fax: Fax: Email: [email protected] Email: [email protected] FRN: 0033462680 Applicable Equipment: FCC ID: WBK-RU243171 ATTN: Director of Certification: We, < BTI Wireless > and < BTI Wireless > understand and acknowledge the applicants consent and the designated agent’s obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e-mail of the designated agent listed above. We, < BTI Wireless > and < BTI Wireless > acknowledge the applicant’s acceptance of its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Applicant U.S. designated agent Name (Printed): Beth Zhang Name (Printed): Beth Zhang Title: Vice President of Technology Title: Vice President of Technology Signature: Signature:

BTI Wireless Date: 2026-01-23 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: FCC ID: WBK-RU243171 To whom it may concern: We, the undersigned, hereby authorize Parlam Zhan to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with BTI Wireless This authorization is valid until further written notice from the applicant. Name (Printed): Beth Zhang Title: Vice President of Technology Signature: On behalf of Company: BTI Wireless Telephone: 630-303-1995

BTI Wireless To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States From: BTI Wireless 11205 Knott Avenue – Suite A, Cypress, CA 90630 United States Regarding: Confidentiality Request regarding application for FCC ID: WBK-RU243171 LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions BOM Tune up The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. Sincerely, Signature: Printed Name (on file with the FCC associated with the Grantee Code): Beth Zhang Title: Vice President of Technology Company Name: BTI Wireless

Compliance Certification Services (Kunshan) Inc. Page: 1 of 4 External Photos for KSCR2512002864AT Test Model No.: RU2431 Compliance Certification Services (Kunshan) Inc. Page: 2 of 4 EUT Constructional Details (EUT Photos) Compliance Certification Services (Kunshan) Inc. Page: 3 of 4 Compliance Certification Services (Kunshan) Inc. Page: 4 of 4 - End of the Appendix -

Product Name: Remote Radio Unit Model: RU2431 Manufacturer: BTI W ireless Address: 11205 Knott Avenue – Suite A, Cypress,CA 90630 United States IE C 1 0 6 7 /1 4 Serial: sCELL-RU2431-R3111D7171-B XXXXXXXXXX MFG Date: DD-M M-YYYY XX XX XX XX XX XX XX 802056 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. FCC ID: WBK-RU243171 802056 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. FCC ID: WBK-RU243171 Input: -48V 6.5A Product Name: Remote Radio Unit Model: RU2431 Manufacturer: BTI Wireless Address: 11205 Knott Avenue – Suite A, Cypress,CA 90630 United States IEC 1067/14 Serial: sCELL-RU2431-R3111D7171-B XXXXXXXXXX MFG Date: DD-MM-YYYY XXXXXXXXXXXXXX Input: -48V 6.5A

Compliance Certification Services (Kunshan) Inc. Page: 1 of 8 Internal Photos for KSCR2512002864AT Test Model No.: RU2431 Compliance Certification Services (Kunshan) Inc. Page: 2 of 8 EUT Constructional Details (EUT Photos) Compliance Certification Services (Kunshan) Inc. Page: 3 of 8 Compliance Certification Services (Kunshan) Inc. Page: 4 of 8 Compliance Certification Services (Kunshan) Inc. Page: 5 of 8 Compliance Certification Services (Kunshan) Inc. Page: 6 of 8 Compliance Certification Services (Kunshan) Inc. Page: 7 of 8 Compliance Certification Services (Kunshan) Inc. Page: 8 of 8 - End of the Appendix -

Report No.: KSCR251200286402 Page: 1 of 10 CCSEM-TRF-001 Rev. 03 Dec 18,2024 1 Cover Page RF Exposure Evaluation Report Application No.: KSCR2512002864AT FCC ID: WBK-RU243171 Applicant: BTI Wireless Address of Applicant: 11205 Knott Avenue - Suite A, Cypress, CA 90630, United States Manufacturer: BTI Wireless Address of Manufacturer: 11205 Knott Avenue - Suite A, Cypress, CA 90630, United States Equipment Under Test (EUT): EUT Name: Remote Radio Unit Model No.: RU2431 Trade Mark: Standard(s) : FCC Rules 47 CFR §2.1091 KDB 447498 D04 interim General RF Exposure Guidance v01 Date of Receipt: 2025-12-30 Date of Test: 2026-01-12 to 2026-01-24 Date of Issue: 2026-01-26 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. Report No.: KSCR251200286402 Page: 2 of 10 CCSEM-TRF-001 Rev. 03 Dec 18,2024 Revision Record Version Description Date Remark 00 Original 2026-01-26 / Authorized for issue by: Tested By Kass Gao /Project Engineer Approved By Terry Hou /Reviewer Report No.: KSCR251200286402 Page: 3 of 10 CCSEM-TRF-001 Rev. 03 Dec 18,2024 2 Contents Page 1 Cover Page ........................................................................................................................................ 1 2 Contents ............................................................................................................................................ 3 3 General Information .......................................................................................................................... 4 3.1 General Description of E.U.T. .................................................................................................... 4 3.2 Details of E.U.T. ......................................................................................................................... 4 3.3 Test Location .............................................................................................................................. 5 3.4 Test Facility ................................................................................................................................ 5 4 RF Exposure Test Exemptions ........................................................................................................ 6 4.1 RF Exposure Test Exemptions for single RF sources ............................................................... 6 4.2 RF Exposure Test Exemptions for Simultaneous Transmission ................................................ 8 5 Test Standards and Limits ............................................................................................................... 9 5.1 FCC Radiofrequency radiation exposure limits: ......................................................................... 9 6 Measurement and Calculation ....................................................................................................... 10 6.1 Maximum transmit power ......................................................................................................... 10 6.2 MPE Calculation ....................................................................................................................... 10 Report No.: KSCR251200286402 Page: 4 of 10 CCSEM-TRF-001 Rev. 03 Dec 18,2024 3 General Information 3.1 General Description of E.U.T. Power Supply: DC -48V 3.2 Details of E.U.T. Product Name: Remote Radio Unit Model No.: RU2431 Antenna Type: External Antenna Antenna Gain: 18dBi (Provided by manufacturer) Number of Carriers: 1CC Support Bandwidth: 5MHz, 10MHz, 15MHz, 20MHz Type of Modulation: QPSK, 16QAM, 64QAM Frequency Band: LTE Band 71 Frequency Range: DL: 617MHz-652MHz UL: 663MHz-698MHz Nominal Output Power per Antenna Port: 43dBm Antenna Delivery: SISO, 2T2R MIMO Note: The antenna gain value is provided by the customer. The test lab will not be responsible for wrong test result due to incorrect information about antenna gain values. Report No.: KSCR251200286402 Page: 5 of 10 CCSEM-TRF-001 Rev. 03 Dec 18,2024 3.3 Test Location All tests were performed at: Compliance Certification Services (Kunshan) Inc. No.10 Weiye Rd, Innovation park, Eco&Tec, Development Zone, Kunshan City, Jiangsu, China. Tel: +86 512 5735 5888 Fax: +86 512 5737 0818 No tests were sub-contracted. Note: 1.SGS is not responsible for wrong test results due to incorrect information (e.g. max. clock frequency, highest internal frequency, antenna gain, cable loss, etc ) is provided by the applicant. (if applicable). 2.SGS is not responsible for the authenticity, integrity and the validity of the conclusion based on results of the data provided by applicant. (if applicable). 3. Sample source: sent by customer. 3.4 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • A2LA (Certificate No. 2541.01) Compliance Certification Services (Kunshan) Inc. is accredited by the American Association for Laboratory Accreditation (A2LA). • FCC (Designation Number: CN1172) Compliance Certification Services (Kunshan) Inc. has been recognized as an accredited testing laboratory. • ISED (CAB Identifier: CN0072) Compliance Certification Services (Kunshan) Inc. has been recognized by Innovation, Science and Economic Development Canada (ISED) as an accredited testing laboratory. Company Number: 2324E • VCCI (Member No:1938) The 3m and 10m Semi-anechoic chamber and Shielded Room of Compliance Certification Services (Kunshan) Inc. has been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: R-20134, R-11600, C-11707, T-11499, G-10216 respectively. Report No.: KSCR251200286402 Page: 6 of 10 CCSEM-TRF-001 Rev. 03 Dec 18,2024 4 RF Exposure Test Exemptions Test exemptions apply for devices used in general population/uncontrolled exposure environments, according to the SAR-based, or MPE-based exemption thresholds. 4.1 RF Exposure Test Exemptions for single RF sources 4.1.1 Blanket 1 mW Blanket Exemption The 1 mW Blan…

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Report No: KSCR251200286401 Page: 1 of 222 1. Duty Cycle 1.1 Test Result 1.1.1 Single_Ant1 Band 71 Single NTNV Ant1 BW (MHz) DL Frequency (MHz) Test Mode T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) CC1:5 CC1:619.5 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 CC1:634.5 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 CC1:649.5 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 CC1:10 CC1:622 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 CC1:634.5 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 CC1:647 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 CC1:15 CC1:624.5 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 CC1:634.5 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 CC1:644.5 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 CC1:20 CC1:627 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 CC1:634.5 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 CC1:642 QPSK 20.000 20.000 100.00 0.00 0.00 16QAM 20.000 20.000 100.00 0.00 0.00 64QAM 20.000 20.000 100.00 0.00 0.00 Report No: KSCR251200286401 Page: 2 of 222 1.2 Test Graph 1.2.1 Single_Ant1 71_Single_NTNV_CC1:5MHz_QPSK_CC1:619.5MHz_Ant1 71_Single_NTNV_CC1:5MHz_16QAM_CC1:619.5MHz_Ant1 71_Single_NTNV_CC1:5MHz_64QAM_CC1:619.5MHz_Ant1 Report No: KSCR251200286401 Page: 3 of 222 71_Single_NTNV_CC1:5MHz_QPSK_CC1:634.5MHz_Ant1 Report No: KSCR251200286401 Page: 4 of 222 71_Single_NTNV_CC1:5MHz_16QAM_CC1:634.5MHz_Ant1 71_Single_NTNV_CC1:5MHz_64QAM_CC1:634.5MHz_Ant1 71_Single_NTNV_CC1:5MHz_QPSK_CC1:649.5MHz_Ant1 Report No: KSCR251200286401 Page: 5 of 222 71_Single_NTNV_CC1:5MHz_16QAM_CC1:649.5MHz_Ant1 Report No: KSCR251200286401 Page: 6 of 222 71_Single_NTNV_CC1:5MHz_64QAM_CC1:649.5MHz_Ant1 71_Single_NTNV_CC1:10MHz_QPSK_CC1:622MHz_Ant1 71_Single_NTNV_CC1:10MHz_16QAM_CC1:622MHz_Ant1 Report No: KSCR251200286401 Page: 7 of 222 71_Single_NTNV_CC1:10MHz_64QAM_CC1:622MHz_Ant1 Report No: KSCR251200286401 Page: 8 of 222 71_Single_NTNV_CC1:10MHz_QPSK_CC1:634.5MHz_Ant1 71_Single_NTNV_CC1:10MHz_16QAM_CC1:634.5MHz_Ant1 71_Single_NTNV_CC1:10MHz_64QAM_CC1:634.5MHz_Ant1 Report No: KSCR251200286401 Page: 9 of 222 71_Single_NTNV_CC1:10MHz_QPSK_CC1:647MHz_Ant1 Report No: KSCR251200286401 Page: 10 of 222 71_Single_NTNV_CC1:10MHz_16QAM_CC1:647MHz_Ant1 71_Single_NTNV_CC1:10MHz_64QAM_CC1:647MHz_Ant1 71_Single_NTNV_CC1:15MHz_QPSK_CC1:624.5MHz_Ant1 Report No: KSCR251200286401 Page: 11 of 222 71_Single_NTNV_CC1:15MHz_16QAM_CC1:624.5MHz_Ant1 Report No: KSCR251200286401 Page: 12 of 222 71_Single_NTNV_CC1:15MHz_64QAM_CC1:624.5MHz_Ant1 71_Single_NTNV_CC1:15MHz_QPSK_CC1:634.5MHz_Ant1 71_Single_NTNV_CC1:15MHz_16QAM_CC1:634.5MHz_Ant1 Report No: KSCR251200286401 Page: 13 of 222 71_Single_NTNV_CC1:15MHz_64QAM_CC1:634.5MHz_Ant1 Report No: KSCR251200286401 Page: 14 of 222 71_Single_NTNV_CC1:15MHz_QPSK_CC1:644.5MHz_Ant1 71_Single_NTNV_CC1:15MHz_16QAM_CC1:644.5MHz_Ant1 71_Single_NTNV_CC1:15MHz_64QAM_CC1:644.5MHz_Ant1 Report No: KSCR251200286401 Page: 15 of 222 71_Single_NTNV_CC1:20MHz_QPSK_CC1:627MHz_Ant1 Report No: KSCR251200286401 Page: 16 of 222 71_Single_NTNV_CC1:20MHz_16QAM_CC1:627MHz_Ant1 71_Single_NTNV_CC1:20MHz_64QAM_CC1:627MHz_Ant1 71_Single_NTNV_CC1:20MHz_QPSK_CC1:634.5MHz_Ant1 Report No: KSCR251200286401 Page: 17 of 222 71_Single_NTNV_CC1:20MHz_16QAM_CC1:634.5MHz_Ant1 Report No: KSCR251200286401 Page: 18 of 222 71_Single_NTNV_CC1:20MHz_64QAM_CC1:634.5MHz_Ant1 71_Single_NTNV_CC1:20MHz_QPSK_CC1:642MHz_Ant1 71_Single_NTNV_CC1:20MHz_16QAM_CC1:642MHz_Ant1 Report No: KSCR251200286401 Page: 19 of 222 71_Single_NTNV_CC1:20MHz_64QAM_CC1:642MHz_Ant1 Report No: KSCR251200286401 Page: 20 of 222 2. Effective (Isotropic) Radiated Power Output Data 2.1 Test Result 2.1.1 Single_Power Band 71 Single NTNV BW (MHz) DL Frequency (MHz) Test Mode Ant No. Conducted Power (dBm) ERP (dBm) ERP Limit (dBm) Verdict CC1:5 CC1:619.5 QPSK 1 41.24 57.09 / Pass 2X2 44.25 60.10 / Pass 16QAM 1 41.02 56.87 / Pass 2X2 44.03 59.88 / Pass 64QAM 1 41.24 57.09 / Pass 2X2 44.25 60.10 / Pass CC1:634.5 QPSK 1 43.72 59.57 / Pass 2X2 46.73 62.58 / Pass 16QAM 1 43.74 59.59 / Pass 2X2 46.75 62.60 / Pass 64QAM 1 43.74 59.59 / Pass 2X2 46.75 62.60 / Pass CC1:649.5 QPSK 1 42.77 58.62 / Pass 2X2 45.78 61.63 / Pass 16QAM 1 42.77 58.62 / Pass 2X2 45.78 61.63 / Pass 64QAM 1 43.11 58.96 / Pass 2X2 46.12 61.97 / Pass CC1:10 CC1:622 QPSK 1 41.82 57.67 / Pass 2X2 44.83 60.68 / Pass 16QAM 1 41.57 57.42 / Pass 2X2 44.58 60.43 / Pass 64QAM 1 41.75 57.60 / Pass 2X2 44.76 60.61 / Pass CC1:634.5 QPSK 1 43.53 59.38 / Pass 2X2 46.54 62.39 / Pass 16QAM 1 43.41 59.26 / Pass 2X2 46.42 62.27 / Pass 64QAM 1 43.52 59.37 / Pass 2X2 46.53 62.38 / Pass CC1:647 QPSK 1 43.20 59.05 / Pass 2X2 46.21 62.06 / Pass 16QAM 1 43.03 58.88 / Pass 2X2 46.04 61.89 / Pass 64QAM 1 43.23 59.08 / Pass 2X2 46.24 62.09 / Pass CC1:15 CC1:624.5 QPSK 1 42.11 57.96 / Pass 2X2 45.12 60.97 / Pass 16QAM 1 42.18 58.03 / Pass 2X2 45.19 61.04 / Pass 64QAM 1 42.10 57.95 / Pass 2X2 45.11 60.96 / Pass CC1:634.5 QPSK 1 43.73 59.58 / Pass Report No: KSCR251200286401 Page: 21 of 222 2X2 46.74 62.59 / Pass 16QAM 1 43.69 59.54 / Pass 2X2 46.70 62.55 / Pass 64QAM 1 43.65 59.50 / Pass 2X2 46.66 62.51 / Pass CC1:644.5 QPSK 1 43.20 59.05 / Pass 2X2 46.21 62.06 / Pass 16QAM 1 43.27 59.12 / Pass 2X2 46.28 62.13 / Pass 64QAM 1 43.25 59.10 / Pass 2X2 46.26 62.11 / Pass CC1:20 CC1:627…

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Report No.: KSCR251200286401 Page: 1 of 18 CCSEM-TRF-001 Rev. 03 Dec 18,2024 TEST REPORT Application No.: KSCR2512002864AT FCC ID: WBK-RU243171 Applicant: BTI Wireless Address of Applicant: 11205 Knott Avenue - Suite A, Cypress, CA 90630, United States Manufacturer: BTI Wireless Address of Manufacturer: 11205 Knott Avenue - Suite A, Cypress, CA 90630, United States Equipment Under Test (EUT): EUT Name: Remote Radio Unit Model No.: RU2431 Trade mark: Standard(s) : 47 CFR Part 2 47 CFR Part 27N Date of Receipt: 2025-12-30 Date of Test: 2026-01-12 to 2026-01-24 Date of Issue: 2026-01-26 Test Result: Pass * In the configuration tested, the EUT complied with the standards specified above. Report No.: KSCR251200286401 Page: 2 of 18 CCSEM-TRF-001 Rev. 03 Dec 18,2024 Revision Record Version Description Date Remark 00 Original 2026-01-26 / Authorized for issue by: Tested By Kass Gao /Project Engineer Approved By Terry Hou /Reviewer Report No.: KSCR251200286401 Page: 3 of 18 CCSEM-TRF-001 Rev. 03 Dec 18,2024 2 Test Summary Test Item FCC Rule No. Verdict Effective (Isotro…

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