2AYJ4TT-XXV5REV2Interactive Flat Panel

(Osborne Technologies Limited) (June 20, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2AYJ4TT-XXV5REV2) [Osborne Technologies Limited] (“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, (Applicant signature) (Applicant printed name) Mr. N Roberts (Osborne Technologies Limited) (June 20, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2AYJ4TT-XXV5REV2) [Osborne Technologies Limited] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Mr. N Roberts

Attestation Statements (Jul. 06, 2023) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: 2AYJ4TT-XXV5REV2 ) (Osborne Technologies Limited), the undersigned, hereby authorize (Osborne Technologies Inc.) to act as our designated U.S. agent for service of process, (Osborne Technologies Limited) 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. (Osborne Technologies Inc.) accepts the responsibility to act as designated U.S. agent for service of process, provides 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. Applicant Information： Company name: Osborne Technologies Limited Contact Name: Mr. N Roberts Address: Unit 14 Capitol Court, Capitol Park, Dodworth, Barnsley, South Yorkshire, United Kingdom Telephone No: 13538214502 Email: [email protected] FRN: 0030334726 U.S. Agent Information: Company Name: Osborne Technologies Inc. Address: 15 Little Brook Lane Ste 2, Newburgh, NY, 12550, USA Contact Name: Ryan Osborne Telephone No: +1 (646) 982 1177 Email: [email protected] FRN: 0033649955 Applicant Signature: Agent Signature: Applicant printed name: Mr. N Roberts Agent printed name: Ryan Osborne

Osborne Technologies Limited Model Difference Data：June 20, 2024 Product description: Interactive Flat Panel Model name: TT-65V5 Rev 2, TT-75V5 Rev 2, TT-86V5 Rev 2, TT-98V5 Rev 2, TT-55V5 Rev 2 Trade Name: TANGO FCC ID: 2AYJ4TT-XXV5REV2 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : Mr. N Roberts（/） Contact information / address：Unit 14 Capitol Court, Capitol Park, Dodworth, Barnsley, South Yorkshire, United Kingdom

Osborne Technologies Limited (June 20, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Interactive Flat Panel / TT-65V5 Rev 2, TT-75V5 Rev 2, TT-86V5 Rev 2, TT-98V5 Rev 2, TT-55V5 Rev 2 / FCC ID: 2AYJ4TT-XXV5REV2) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the 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 required to be submitted with this application be permanently withheld from public review. 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. Please contact me if there is any information you may need. Sincerely, Signature: Name: Mr. N Roberts Title: /

Osborne Technologies Limited (June 20, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Mr. N Roberts Title: /

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 6 Model: TT-65V5 Rev 2 External Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 6 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 6 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 6 WIFI ANT1 WIFI ANT2 BT ANT Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 5 of 6 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 6 of 6

FCC ID LABEL: Label Location:

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2AYJ4TT-XXV5REV2 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), 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 level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna 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,R=20cm Test Result of RF Exposure Evaluation Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result EDR 8DPSK&L CH 4±1 5 3.1623 1.8836 (2.75dBi) 0.0012 1 Pass 2.4G WIFI ANT1 802.11b&2 437 14±1 15 31.6228 1.8836 (2.75dBi) 0.0119 1 Pass 2.4G WIFI ANT2 802.11b&2 412 14±1 15 31.6228 1.8836 (2.75dBi) 0.0119 1 Pass 5.2GWIFI ANT1 802.11n(H T20)& 5240 15±1 16 39.8107 2.1281 (3.28dBi) 0.017 1 Pass 5.2GWIFI ANT2 802.11n(H T20) 15±1 16 39.8107 2.1281 (3.28dBi) 0.017 1 Pass 5.8GWIFI ANT1 802.11a&5 240 15±1 16 39.8107 2.9444 (4.69dBi) 0.0233 1 Pass 5.8GWIFI ANT2 802.11n(H T20)& 5240 15±1 16 39.8107 2.9444 (4.69dBi) 0.0233 1 Pass For the Max simultaneous transmission MPE: When a number of sources at different frequencies, and/or broadband sources, contribute to the total exposure, it becomes necessary to weigh each contribution relative to the MPE in accordance with the provisions of Table (A) and Table (B). To comply with the MPE, the fraction of the MPE in terms of E2, H2 (or power density) incurred within each frequency interval should be determined and the sum of all such fractions should not exceed unity. In order to ensure compliance with the MPE for a controlled environment, the sum of the ratios of the power density to the corresponding MPE should not exceed unity. That is BT+WIFI supported simultaneous transmission: EDR +2.4GWIFI MIMO: ∑MPE Ratio =0.0012+0.0238=0.025≤1, EDR +5GWIFI MIMO: ∑MPE Ratio =0.0238+0.0466=0.0704≤1, EDR +2.4GWIFI MIMO +5GWIFI MIMO=0.0012+0.0238+0.0466=0.0716≤1, So passed. Tech nolo gy Tune up Produce power(dBm) Maximum Tune-up (dBm) Antenna Gain(ANT 1/ANT 2) (numeric) Power Density (S) (mW/ cm2) MPE Limit (mW/ cm2) ∑ MPE Ratio ∑ MPE Ratio Limit Result ANT 1 ANT 2 ANT 1 ANT 2 ANT 1 ANT 2 2.4G WIFI MIM O 14 ±1 14 ±1 15 15 1.8836 (2.75dBi) 0.0119 0.0119 1 0.0238 1 Pass Tech nolo gy Tune up Produce power(dBm) Maximum Tune-up (dBm) Antenna Gain(ANT 1/ANT 2) (numeric) Power Density (S) (mW/ cm2) MPE Limit (mW/ cm2) ∑ MPE Ratio ∑ MPE Ratio Limit Result ANT 1 ANT 2 ANT 1 ANT 2 ANT 1 ANT 2 5G WIFI MIM O 15 ±1 15 ±1 16 16 2.9444 (4.69dBi) 0.0233 0.0233 1 0.0466 1 Pass

1 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ 客户 : 品名规格 DESCRIPTION: 料号 PARTNO. ： 客户料号 CUSPARTNO.： 日期 DATE ： APPROVAL 东莞市触美电子有限公司 2.4G-5.8G 2DB可折叠天线 5630-YB1080-00D 2024-05-15 商秀呈样签章 工程 ENGINEERINGDEPARTMENT 品保 QCDEPARTMENT 业务 SALESDEPARTMENT 高龙张兰兰黄晓林 客户承认签章 工程 ENGINEERINGDEPARTMENT 品保 QCDEPARTMENT 采购 PURCHASINGDEPARTMENT ж承认书一式三份，惠蒙贵司承认签章 2 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ 电器技术参数 电性能指标 ElectricalSpecifications 频率范围 2400-5800GHzFrequencyRange2400-5800GHz 电压驻波比 ≤2.0 VSWR ≤2.0 输入阻抗 50ΩInputImpedance50Ω 最大输入功率 50W MaximumInput Power 50W 机械指标 MechanicalSpecifications 天线颜色 黑色 AntennaColorBLACK 接口形式 SMA（公针） InputconnectorSMA(J) 天线长度 110mmCablelength110mm 工作温度 -40°C~+85°C Working Temperature -40°C~+85°C 工作湿度 20~80%WorkingHumidity20~80% 环境性能测试: 项目测试条件规格 储存环境 在没有指定的情况下测试温度、湿度、气压如下： 1.温度为-30°C～+80°C 2.相对湿度为45%-85% 3.气压为86kpa-106kpa 电气机械性能正常 高低温试验 在70°C与40°C之间进行5次循环，然后在正常条件下1- 2H，检查外观质量。 尺寸应满足规定并应 满足满足 于机械、电气性能 耐恒定湿热 试验 相对湿度95±3%，试验温度：40°C.持续2H作用后， 试品取出后5min之内测定电气性能，试品在正常条 件下1-2H，检查外观质量 尺寸应满足规定并应 满足满足 于机械、电气性能 振动试验 振频范围10-55HZ，位移幅值：0.35MM，加速度幅值： 50.0M/S，扫频循环次数：30次 电气机械性能正常 跌落试验1M高空按照互相垂直的轴方向自由跌落3次电气机械性能正常 3 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ 单位：mm 实物图 工程图 4 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ 天线测试图 VSWR 5 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ 6 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ PassiveTestFor2400-5800 FreqEffiEffiGainGainUHISDHISMaxMinAttenutAttenut (MHz)(%)(dB)(dBi)(dBd)(%)(%)(dB)(dB)HorVer 240064.64-1.891.61-0.5442.54622.0971.61-12.8249.149.14 241065.48-1.841.59-0.5643.17722.2991.59-13.4649.0348.62 242066.58-1.771.56-0.5943.78122.7991.56-12.5649.1648.27 243070.79-1.51.9-0.2546.75524.0371.9-13.6449.1948.37 244077.21-1.122.320.1751.02826.1822.32-13.849.5448.95 245083.27-0.792.660.5154.76928.5042.66-13.749.8149.33 246083.39-0.792.750.654.77128.6142.75-13.2949.9249.76 247078.24-1.072.520.3751.52626.7142.52-13.5549.6848.99 248081.14-0.912.710.5653.53227.612.71-12.6849.9949.95 249082.33-0.842.730.5855.03727.2922.73-13.450.1549.01 250078.63-1.042.450.352.71825.9082.45-14.4150.0248.88 7 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ 8 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ 9 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ 10 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ 11 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ RADIATIONPATTERN 12 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ 线材规格： 13 地址：深圳市龙岗区坪地街道泰和路20号A栋3楼 http://www.sunshowsz.com/ SMA射频同轴连接器 RFCOAXIALCONNECTORS 编号：1101 主要技术特性（ TECHNICALSPECIFICATIONS ）： 温度范围（ Temp.range ）：-55~+155° C 特性阻抗（Impedance）：50Ω 频率范围（ FrequencyRange ）： DC~12.4GHz 工作电压（ WorkingVoltage ）：335 Vmax （有效值） 耐压（WithstandVoltage）：1000Vrms（海平面最小值） 接触电阻（Contactresistance）： 内导体之间（CenterContact）≤3mΩ 外导体之间（OuterContact）≤2mΩ 绝缘电阻（Insulationresistance）：≥5000mΩ 电压驻波比（VSWR）：直式（Rightangle）≤1.10 耐用性（ Durability ）：≥500次 材料与涂覆（MATERIALANDPLATING）： 壳体（Shell）：黄铜（Brass）镀硬金（Goldplated） 插针（contactpin）：黄铜（ brass ）镀硬金（ Goldplated ） 插孔（socketcontact）铍青铜（brylliumbrass）镀硬金（Goldplated） 绝缘体（Insulator）：聚四氟乙烯（ PTFE ） 压接套（Crimpingsuite）：铜合金（ Copperalloy ）镀金（ Goldplated ） O 型密封件（O-ringsealing）：硅橡胶（6146 silastic ） 8 地址：深圳市坪山新区六联社区顺康街3号3楼 http://www.sunshowsz.com/ http://www.sunshowsz.com/ 9 地址：深圳市坪山新区六联社区顺康街3号3楼 http://www.sunshowsz.com/ 包装规格： 产品料号：xxx 产品型号：xxx 一、标签要求： 二、装箱要求： 作业说明： 1.内包装： PE袋 产品XXpcs一袋，放入小PE袋； 2.外包装： XxPCS一箱； 3.注意事项： a．是否要增设隔板、珍珠棉； b．标签的帖附，如ROHS等； 10 地址：深圳市坪山新区六联社区顺康街3号3楼 需方xxx 供方 xxxxx 物料编码xx 产品型号 xx 数量/单XXXPCS出厂日期X年X月X日 备注/其他

TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Interactive Flat Panel FCC ID: 2AYJ4TT-XXV5REV2 Trademark: TANGO Model Number: TT-65V5 Rev 2, TT-75V5 Rev 2, TT-86V5 Rev 2, TT-98V5 Rev 2, TT-55V5 Rev 2 Prepared For: Osborne Technologies Limited Address: Unit 14 Capitol Court, Capitol Park, Dodworth, Barnsley, South Yorkshire, United Kingdom Manufacturer: Osborne Technologies Limited Address: Unit 14 Capitol Court, Capitol Park, Dodworth, Barnsley, South Yorkshire, United Kingdom Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: May. 17, 2024 Sample tested Date: May. 17, 2024 to Jun. 06, 2024 Issue Date: Jun. 06, 2024 Report No.: CTB240606004RF Test Standards FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.:CTB240606004RF Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 58 TABLE OF CONTENT Test Report Declaration Page 1. VERSION .......................................................................... 4 2. TEST SUMMARY ................................................................... 5 3. MEASUREMENT UNCERTAINTY ..................................................... 6 4. PRODUCT INFORMATION AND TEST SETUP .......................................... 7 4.1 Product Information .................................................................... 7 4.2 Test Setup Configuration ............................................................... 7 4.3 Support Equipment .................................................................... 7 4.4 Channel List .......................................................................... 8 4.5 Test Mode ............................................................................ 8 4.6 Test Environment ...................................................................... 8 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................... 9 5.1 Test Facility ........................................................................... 9 5.2 Test Instrument Used .................................................................. 9 6. AC POWER LINE CONDUCTED EMISSION ............................................ 11 6.1 Block Diagram Of Test Setup .......................................................... 11 6.2 Limit ................................................................................ 11 6.3 Test procedure ....................................................................... 11 6.4 Test Result .......................................................................... 13 7. RADIATED SPURIOUS EMISSION ................................................... 15 7.1 Block Diagram Of Test Setup .......................................................... 15 7.2 Limit ................................................................................ 15 7.3 Test procedure ....................................................................... 16 7.4 Test Result .......................................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS .......................... 26 8.1 Block Diagram Of Test Setup .......................................................... 26 8.2 Limit ................................................................................ 26 8.3 Test procedure ....................................................................... 26 8.4 Test Result .......................................................................... 27 9. COUDUCTED PEAK OUTPUT POWER ............................................... 34 9.1 Block Diagram Of Test Setup .......................................................... 34 9.2 Limit ................................................................................ 34 9.3 Test procedure ....................................................................... 34 9.4 Test Result .......................................................................... 35 10. 20DB OCCUPIED BANDWIDTH...................................................... 39 10.1 Block Diagram Of Test Setup ......................................................... 39 10.2 Limit ............................................................................... 39 10.3 Test procedure ...................................................................... 39 10.4 Test Result ......................................................................... 39 11. CARRIERFREQUENCIES SEPARATION .............................................. 43 11.1 Block Diagram Of Test Setup ......................................................... 43 11.2 Limit ............................................................................... 43 11.3 Test procedure ...................................................................... 43 11.4 Test Result ......................................................................... 43 12. HOPPING CHANNEL NUMBER ...................................................... 47 12.1 Block Diagram Of Test Setup ......................................................... 47 12.2 Limit ......................................................…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: TT-65V5 Rev 2 Radiated Emission Below 1G Above 1G Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 Conducted emissions