SVC-C379HYBRID DIGITAL DAC AMPLIFIER

• Read instructions - All the safet y and operating instructions should be read befor e the product is operated. • Retain instructions - The safet y and operating instructions should be retained for future ref er ence. • Heed Warnings - All warnings on the product and in the operating instructions should be adhered to. • Follow Instructions - All operating and use instructions should be followed. • Cleaning - Unplug this product from the wall outlet befor e cleaning. Do not use liquid cleaners or aerosol cleaners. Use a dry cloth for cleaning. • Attachments - Do not use attachments not recommended by the product manufacturer as they may cause hazards. • Water and Moisture - Do not use this product near water -f or example, near a bath tub, wash bowl, k it chen sink, or laundry tub; in a wet basement; or near a swimming pool; and the like. • Accessories - Do not place this product on an unstable cart, stand, tripod, bracket, or table. The product may fall, causing serious injury to a child or adult and serious damage to the product. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer , or sold with the product. Any mounting of the product should follow the manufacturer ’s instructions, and should use a mounting accessory recommended by the manufacturer . • Cart - A product and cart combination should be moved with care. Quick stops, excessive for ce, and uneven surfaces may cause the pr oduct and cart combination to over turn. • Ventilation - Slots and openings in the cabinet are provided for ventilation to ensure reliable operation of the product and to prot ect it from over heating. These openings must not be blocked or cover ed. The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer ’s instructions have been adhered to. • Power Sources - This product should be operated only from the type of power source indicated on the marking label and connected to a MAINS socket outlet with a prot ective earthing connection. If you are not sure of the type of power supply to your home, consult your product dealer or local power company. • Power-Cor d Prot ection - Power -supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the product. • Mains Plug - Where the mains plug or an appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable. • Outdoor Antenna Grounding - I f an outside antenna or cable system is connected to the product, be sure the antenna or cable system is grounded so as to provide some prot ection against voltage surges and built-up static charges. Article 810 of the National Electr ical Code, ANSI/NFPA 70, provides infor mation with regard to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, si ze of grounding conductors, location of antenna discharge unit, connection to grounding electr odes, and requirements for the grounding electr ode. • Lightning - For added prot ection for this product during a lightning stor m, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power -line surges. • Power Lines - An outside antenna system should not be located in the vicinity of over head power lines or other electr ic light or power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extr eme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal. • Overloading - Do not over load wall outlets, extension cords, or integral • Flame Sources placed on the product. • Object and Liquid Entr y - Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short-out the product. • Headphones - Excessive sound pressure for m earphones and headphones can cause hearing loss. • Damage Requiring Service - Unplug this product from the wall outlet and – When the power -supply cord or plug is damaged. – If liquid has been spilled, or objects have fallen into the product. – If the product has been exposed to rain or water . – If the product does not operate normally by following the operating instructions. Adjust only those controls that are cover ed by the operating instructions as an improper adjustment of other controls may result in restor e the product t o its normal operation. – If the product has been dropped or damaged in any way. – When the product exhibits a distinct change in perfor mance-this indicates a need for service. • Replacement Parts - When replacement parts are required, be sure the or have the same character istics as the orig inal part. Unauthoriz ed • Batt ery Disposal - When disposing of used batter ies, please comply with gover nmental regulations or environmental public instruction’s rules that apply in your country or area. • Safety Check - Upon completion of any service or repairs to this product, ask the service technician to perfor m safet y checks to deter mine that the product is in proper operating condition. WARNING THE LIGHTNING FLASH WITH ARROWHEAD SYMBOL, WITHIN AN EQUILATERAL TRIANGLE, IS INTENDED TO ALERT THE USER TO THE PRESENCE OF UNINSULATED “DANGEROUS VOLTAGE” WITHIN THE PRODUCT’S ENCLOSURE THAT MAY BE OF SUFFICIENT MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK TO PERSONS THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE USER TO THE PRESENCE OF IMPORTANT THE LITERATURE ACCOMPANYING THE APPLIANCE. CAUTION REGARDING PLAC…

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Lenbrook Industries Limited 633 Granite Court, Pickering, Ontario L1W 3K1 Tel: (905) 831-6333 Fax: (905) 831-6936 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 09-06-2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing and Part 2.911(d)(5)(ii) Filing FCC ID: SVC-C379 1. Lenbrook Industries 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. 2. Lenbrook Industries 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 a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, Applicant signature: Applicant printed name: Taresh Vadgama

Lenbrook Industries Limited 633 Granite Court, Pickering, Ontario L1W 3K1 Tel: (905) 831-6333 Fax: (905) 831-6936 Fe deral Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Da te: 09-06-2024 Re f: Attestation Statements Part 2.911(d)(7) Filing FCC ID: SVC-C379 Applicant FRN: 0022583488 Le nbrook Industries Limited (“the applicant”) certifies that, as of the date of the filing of the application, C T Corporation System is our designated U.S. agent for service of process for the above referenced FCC ID. Lenbrook Industries 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. C T Corporation System 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. De signated U.S. Agent Information: Name: C T Corporation System U.S. Agent FRN: The agent for service of process does no other business with the FCC and does not have an FRN. Address: 1015 15th Street N.W., Suite 1000, Washington, D.C., 20005 Contact: Christine Kelm Tel.: 202-572-3133 Email: [email protected] Sin cerely, Lenbrook Industries Limited C T Corporation System Taresh Vadgama Rachel O'Connor

Lenbrook Industries Limited 633 Granite Court, Pickering, Ontario L1W 3K1 Tel: (905) 831-6333 Fax: (905) 831-6936 Cover Letter Federal Communications Commission Authorization and Evaluation Division FCC ID: SVC-C379 Please be notified that we, the undersigned, Lenbrook Industries Limited declares that the product which bears the above FCC ID is also compliant with the FCC requirements for Supplier’s Declaration of Conformity(SDoC). And the SDoC procedure shall be carried out prior to marketing the device in the US. Sincerely, _________________ Name: Taresh Vadgama Title: PD, Product Development & Manufacturing Date: 2024-09-06

Lenbrook Industries Limited 633 Granite Court, Pickering, Ontario L1W 3K1 Tel: (905) 831-6333 Fax: (905) 831-6936 Confidentiality Request Letter Federal Communications Commission Authorization and Evaluation Division FCC ID: SVC-C379 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: 1. Block Diagram 2. Schematics 3. Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, _________________ Name: Taresh Vadgama Title: PD, Product Development & Manufacturing Date: 2024-09-06

Lenbrook Industries Limited 633 Granite Court, Pickering, Ontario L1W 3K1 Tel: (905) 831-6333 Fax: (905) 831-6936 Declaration of Authorization We Name: Lenbrook Industries Limited Address: 633 Granite Court, Pickering, Ontario L1W 3K1 Declare that: Name Representative of agent: Marlin Chen Agent Company name: MRT Technology (Suzhou) Co., Ltd Address: D8 Building, Youxin Industrial Park, No.2 Tian'edang Rd., Wuzhong Economic Development Zone City: Suzhou Country: China is authorized to apply for Certification of the following product(s): Product: HYBRID DIGITAL DAC AMPLIFIER FCC ID: SVC-C379 Model No.: C 379 Sincerely, _ ________________ Name: Taresh Vadgama Title: PD, Product Development & Manufacturing Date: 2024-09-06

Report No.: 2406RSU015-UE 1 of 11 EUT External Photograph (1) EUT Photo (2) EUT Photo Report No.: 2406RSU015-UE 2 of 11 (3) EUT Photo (4) EUT Photo Report No.: 2406RSU015-UE 3 of 11 (5) EUT Photo (6) EUT Photo Report No.: 2406RSU015-UE 4 of 11 (7) EUT Photo (8) EUT Photo Report No.: 2406RSU015-UE 5 of 11 (9) EUT Photo (10) EUT Photo

C379 C379 Poppy Michael Lydia 2024/06/25 63-3-122301-3F HS40-1223-B12V1-SR03F REV F 1:1 Checked by Group Leader Checked Compliance/ME Manager 物料类型检验标准打钩 小塑胶、小橡胶件物料 HS/IS-SQE-01 亚克力、镜片、视窗物料 HS/IS-SQE-02 普通漆塑料件 HS/IS-SQE-03 橡胶漆塑料件 HS/IS-SQE-04 高光塑料件 HS/IS-SQE-05 蚀纹塑料件 HS/IS-SQE-06 电镀塑料件 HS/IS-SQE-07 金属面板、端盖类 HS/IS-SQE-08 金属烤漆、丝印的底座、 后背板、支架 HS/IS-SQE-10 玻璃件物料 HS/IS-SQE-21 金属铁网 HS/IS-SQE-22 对于丝印，除图纸里的相关要求， 需同步参考下述打钩的SQE检验标准 B C 修改铭牌处功率“50-60Hz" 为 “50/60Hz" F D E F 11.3 11.4 0.6 1.1 2.8 2.6 20.5 10.5 53.5 8.5 50.9 11.0 28.5 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 9.1 110.1 ON (MONO) OFF (STEREO)

C379 C379 Poppy Michael Lydia 2024/06/25 63-3-122301-3F HS40-1223-B12V1-SR03F REV F 1:1 Checked by Group Leader Checked Compliance/ME Manager 物料类型检验标准打钩 小塑胶、小橡胶件物料 HS/IS-SQE-01 亚克力、镜片、视窗物料 HS/IS-SQE-02 普通漆塑料件 HS/IS-SQE-03 橡胶漆塑料件 HS/IS-SQE-04 高光塑料件 HS/IS-SQE-05 蚀纹塑料件 HS/IS-SQE-06 电镀塑料件 HS/IS-SQE-07 金属面板、端盖类 HS/IS-SQE-08 金属烤漆、丝印的底座、 后背板、支架 HS/IS-SQE-10 玻璃件物料 HS/IS-SQE-21 金属铁网 HS/IS-SQE-22 对于丝印，除图纸里的相关要求， 需同步参考下述打钩的SQE检验标准 B C 修改铭牌处功率“50-60Hz" 为 “50/60Hz" F D E F 11.3 11.4 0.6 1.1 2.8 2.6 20.5 10.5 53.5 8.5 50.9 11.0 28.5 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 9.1 110.1 ON (MONO) OFF (STEREO)

Report No.: 2406RSU015-UE 6 of 11 EUT Internal Photograph (11) EUT Photo (12) EUT Photo Report No.: 2406RSU015-UE 7 of 11 (13) EUT Photo (14) EUT Photo Report No.: 2406RSU015-UE 8 of 11 (15) EUT Photo Report No.: 2406RSU015-UE 9 of 11 (16) EUT Photo (17) EUT Photo Report No.: 2406RSU015-UE 10 of 11 (18) EUT Photo (19) EUT Photo Report No.: 2406RSU015-UE 11 of 11 (20) EUT Photo

MRT Technology (Suzhou) Co., Ltd Report No.: 2406RSU015-U2 Phone: +86-512-66308358 Report Version: V01 Web: www.mrt-cert.com Issue Date: 2024-09-14 Template Version:0.1 1 of 10 RF Exposure Evaluation Declaration FCC ID: SVC-C379 Applicant: Lenbrook Industries Limited Product: HYBRID DIGITAL DAC AMPLIFIER Model No.: C 379 Brand Name: NAD FCC Rule Part(s): FCC Part 2.1091 Result: Complies Evaluation Date: 2024-09-09 Reviewed By: Ada Zhang Approved By: Robin Wu The test results relate only to the samples tested. The test results shown in the test report are traceable to the national/international standards through the calibration of the equipment and evaluated measurement uncertainty herein. The test report shall not be reproduced except in full without the written approval of MRT Technology (Suzhou) Co., Ltd. Report No.: 2406RSU015-U2 2 of 10 Revision History Report No. Version Description Issue Date Note 2406RSU015-U2 V01 Initial Report 2024-09-14 Valid Report No.: 2406RSU015-U2 3 of 10 CONTENTS Description Page 1. General Information ............................................................................................................................... 4 1.1. Applicant ........................................................................................................................................4 1.2. Manufacturer .................................................................................................................................4 1.3. Testing Facility ...............................................................................................................................4 1.4. Product Information .......................................................................................................................5 1.5. Device Classification .....................................................................................................................5 1.6. Applied Standards .........................................................................................................................5 2. RF Exposure Evaluation ........................................................................................................................ 6 2.1. Limits .............................................................................................................................................6 2.2. MPE Exemptions ...........................................................................................................................7 2.3. Calculated Result ....................................................................................................................... 10 Report No.: 2406RSU015-U2 4 of 10 1. General Information 1.1. Applicant Lenbrook Industries Limited 633 Granite Court, Pickering, Ontario L1W 3K1 1.2. Manufacturer Lenbrook Industries Limited 633 Granite Court, Pickering, Ontario L1W 3K1 1.3. Testing Facility Test Site – MRT Suzhou Laboratory Laboratory Location (Suzhou - Wuzhong) D8 Building, No.2 Tian’edang Rd., Wuzhong Economic Development Zone, Suzhou, China Laboratory Location (Suzhou - SIP) 4b Building, Liando U Valley, No.200 Xingpu Rd., Shengpu Town, Suzhou Industrial Park, China Laboratory Location (Suzhou - Wujiang) Building 1, No.1 Xingdong Road, Wujiang, Suzhou, Jiangsu, People’s Republic of China Laboratory Accreditations A2LA: 3628.01 CNAS: L10551 FCC: CN1166 ISED: CN0001 VCCI: R-20025 G-20034 C-20020 T-20020 R-20141 G-20134 C-20103 T-20104 Test Site – MRT Shenzhen Laboratory Laboratory Location (Shenzhen) 1G, Building A, Junxiangda Building, Zhongshanyuan Road West, Nanshan District, Shenzhen, China Laboratory Accreditations A2LA: 3628.02 CNAS: L10551 FCC: CN1284 ISED: CN0105 Test Site – MRT Taiwan Laboratory Laboratory Location (Taiwan) No. 38, Fuxing 2nd Rd., Guishan Dist., Taoyuan City 333, Taiwan (R.O.C.) Laboratory Accreditations TAF: 3261 FCC: 291082, TW3261 ISED: TW3261 Report No.: 2406RSU015-U2 5 of 10 1.4. Product Information Product Name HYBRID DIGITAL DAC AMPLIFIER Model No. C 379 Brand Name NAD EUT Identification No. 20240611Sample#03 Bluetooth Specification V5.0 Bluetooth-BR/EDR Operating Temperature 0°C ~ 40°C Antenna Type Dipole Antenna Antenna Gain 1.97dBi Product Voltage 100-120V/220-240V ~ 50/60Hz, 300W Note: The information of EUT was provided by the manufacturer, and the accuracy of the information shall be the responsibility of the manufacturer. 1.5. Device Classification According to the user manual, this device is classified as a Mobile Device. So, the RF exposure evaluation requirements of § 2.1091 for mobile device exposure conditions subject to MPE limits. 1.6. Applied Standards According to the specifications of the manufacturer, the EUT must comply with the requirements of the following standards: ⚫ FCC Part 2.1091 & KDB 447498 D04 Interim General RF Exposure Guidance v01 Report No.: 2406RSU015-U2 6 of 10 2. RF Exposure Evaluation 2.1. Limits According to FCC §1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in §1.1307(b) Limits For Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Average Time (Minutes) (A) Limits for Occupational/ Control Exposures 0.3-3.0 614 1.63 *(100) ≤6 3.0-30 1842/f 4.89/f *(900/f 2 ) <6 30-300 61.4 0.163 1.0 <6 300-1,500 -- -- f/300 <6 1,500-100,000 -- -- 5 <6 (B) Limits for General Population/ Uncontrolled Exposures 0.3-1.34 614 1.63 *(100) <30 1.34-30 824/f 2.19/f *(180/f 2 ) <30 30-300 27.5 0.073 0.2 <30 300-1,500 -- -- f/1500 <30 1,500-100,000 -- -- 1.0 <30 f= frequency in MHz. * = Plane-wave equivalent power density. Report No.: 2406RSU015-U2 7 of 10 2.2. MPE Exemptions For single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph §1.1307(b)(2) of this section): A single RF source is exempt if:…

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ADD：No 3 XinLang Road ,Yinghu industrial Park, Wangting Town Xiangcheng district Suzhou City TEL：0512-66706846 FAX：0512-65088773 MAIL;[email protected] RoyHellenTakFrank Description ANTENNA DRAWING P/N RC1WFI0886A1 CUSTOMER APPROVED BY STAMP Approval QualityRDSales Suzhou Point Positive Electronic Technology Co.,ltd SPECIFICATION FOR APPROVAL Customer Hansong(NanJing)Technology Ltd Customer P/N 45-2-000146 Rev. A1 1 4. Material Data Sheet MHF Connector ------- Coaxial Cable ------- 5. Material SGS.Rohs.MSDS ------- Table of Contents 1、 Antenna Drawing ----- 2、Electrical Properties ----- Return Loss /VSWR Radiation Pattern 3 ,Packing date ----- 10.Raw Material Coaxial Cable RG178 Housing/HingeTPE Swivel Lead Length L:108MM Connector RP-SMA Impedance 50欧 V.S.W.R 2:1 Max. 9.Mechanical Characteristics Antenna TypeDual band antenna Polarization Typevertical or horizontal Peak Gain2.4G~1.8.DBi/5G~2.5DBi Typica 7.Color BK 8.Electrical Characteristics Operating Frequency2.4-5.8Ghz 4. Part No 45-2-000146 5.Standard 6.Antenna Profile see Drawing 1. Description ANTENNA 2. Customer Hansong(NanJing)Technology Ltd 3. Model No RC1WFI0886A SPECIFICATION 2.4-5.8Ghz SM3033 6PCS/BAG Roy Tak Saint Hansong(Nanjing) 45-2-000146 2.4-5.8G Antenna RC1WFI0886A1 TotalPoint ValuesAnt. Port Input Pwr. (dBm)Tot. Rad. Pwr. (dBm)Peak EIRP (dBm)Directivity (dBi)Efficiency (dB)Efficiency (%)Gain (dBi) Frequency (MHz) 24000-3.210251.552445.76269-3.2102536.75021.86244 24500-4.058221.66516.72331-4.0582236.28061.8651 25000-1.797533.76926.56674-2.7975378.91021.9701 2.4G Gain (dBi) -14 4 -10 -6 -2 X Y Z Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 2.45G Gain (dBi) -35 5 -25 -15 -5 X Y Z Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 2.5G Gain (dBi) -10 4 -6 -2 X Y Z Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 TotalPoint ValuesAnt. Port Input Pwr. (dBm)Tot. Rad. Pwr. (dBm)Peak EIRP (dBm)Directivity (dBi)Efficiency (dB)Efficiency (%)Gain (dBi) Frequency (MHz) 51500-0.61974.739195.35887-0.61968486.70252.73919 58500-1.34413.245294.58942-1.3441373.38152.24529 5.15G Gain(dBi) -12 6 -8 -4 0 X Y Z Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 5.85G Gain(dBi) -10 4 -6 -2 X Y Z Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 Test Result : & Peak Gain Frequency Range(MHZ) 2400245025005150 5850 Gain (dBi) 2.24529 2.73919 1.9701 1.8651 1.86244 无锡源达电工材料有限 无锡源达电工材料有限无锡源达电工材料有限 无锡源达电工材料有限公司 公司公司 公司 WUXI YUANDA ELECTRICAL MATERIAL WUXI YUANDA ELECTRICAL MATERIAL WUXI YUANDA ELECTRICAL MATERIAL WUXI YUANDA ELECTRICAL MATERIAL CO.,L CO.,LCO.,L CO.,LT TT TD. D.D. D. 中国江苏省江阴市青阳镇南陈村 邮编214401 Nachen,Qingyang Town, Jiangyin City 214400,Jiangsu, China ___________________________________________________________________________ 客户 客户客户 客户/Customer: /Customer: /Customer: /Customer: 苏州 苏州苏州 苏州点正 点正点正 点正电子 电子电子 电子科技 科技科技 科技有限 有限有限 有限公 公公 公司 司司 司__________________ ____________________________________ __________________ 客户料号 客户料号客户料号 客户料号/ Customer P/N:_ / Customer P/N:_/ Customer P/N:_ / Customer P/N:_ Y YY YD DD D1 11 178 7878 78__________ ____________________ __________ 规 规规 规 格 格格 格 书 书书 书 Specification SpecificationSpecification Specification 50 5050 50Ω ΩΩ Ω(FEP) (FEP)(FEP) (FEP)绝缘射频电缆 绝缘射频电缆绝缘射频电缆 绝缘射频电缆 50 5050 50Ω ΩΩ Ω FEP FEP FEP FEP Insulat InsulatInsulat Insulated eded ed Coaxial Cable Coaxial Cable Coaxial Cable Coaxial Cable Y YY YD DD D1 11 178 7878 78 系列 系列系列 系列 Y YY YD DD D1 11 178 7878 78 SERIES SERIES SERIES SERIES 编制 编制编制 编制/Signed by: /Signed by:/Signed by: /Signed by: cool lai cool laicool lai cool lai 编制日期 编制日期编制日期 编制日期/ Date: / Date:/ Date: / Date: 2 22 22 22 2 th thth th April 20 April 20April 20 April 2009 0909 09 无锡源达电工材料有限 无锡源达电工材料有限无锡源达电工材料有限 无锡源达电工材料有限公司 公司公司 公司 WUXI YUANDA ELECTRICAL MATERIAL WUXI YUANDA ELECTRICAL MATERIAL WUXI YUANDA ELECTRICAL MATERIAL WUXI YUANDA ELECTRICAL MATERIAL CO.,L CO.,LCO.,L CO.,LT TT TD. D.D. D. 中国江苏省江阴市青阳镇南陈村 邮编214401 Nachen,Qingyang Town, Jiangyin City 214400,Jiangsu, China ___________________________________________________________________________ 1. 适用范围: Scope 本规格书制定了50Ω FEP 绝缘射频电缆YD178 系列的结构和电气特性. This specification covers the construction and the electrical properties of YD178 series of 50Ω FEP Insulation Coaxial Cable. 2. 结构/Construction: 单位/Unit:mm 项目/Item 详细资料/Details 材料/Material 镀 银 铜 线/Silver-coated Copper Wire 构成(根/mm) Composition(No./mm) 7/0.102 导体/Conductor 标称直径/Nom.O.D（mm） 0．306±0.03 材料/Material /聚四氟乙烯/PTFE 标称绝缘厚度/Nom.Thick（mm） 0.275 绝缘层 /Insulation 标称外径/Nom.O.D（mm） 0.86±0.03 材料/Material 镀银铜线/ Silver-coated annealed copper wire 屏蔽层/Shield 构成/Composition 0.10单线编织/Single Braid of 0.10 材料/Material 聚全氟乙丙烯（*颜色）/FEP(*color) 标称护套厚度/Nom.Thick（mm） 0.25 标称外径/Nom.O.D(mm) 1.80±0.08 护套/Jacket 颜色/Color 按与客户确认的颜色/According to corresponding have approved by the suppliers and customers 3.电气特性(20°C时)/Electrical Properties(at 20°C) 项目/Item 单位/Unit 详细资料/Details 导体电阻/Conductor Resistance
/km Max.800 绝缘电阻/Insulation Resistance M
.kmMin.500 耐压强度/Dielectric Strength V(AC)/min 1000 静电容/Capacitance pF/m105(1kHz) 特 性 阻 抗/Characteristic Impedance
50±2.0 1GHz 1.70 2GHz 2.42 衰减/Attenuation dB/m 3GHz 3.08 无锡源达电工材料有限 无锡源达电工材料有限无锡源达电工材料有限 无锡源达电工材料有限公司 公司公司 公司 WUXI YUANDA ELECTRICAL MATERIAL WUXI YUANDA ELECTRICAL MATERIAL WUXI YUANDA ELECTRICAL MATERIAL WUXI YUANDA ELECTRICAL MATERIAL CO.,L CO.,LCO.,L CO.,LT TT TD. D.D. D. 中国江苏省江阴市青阳镇南陈村 邮编214401 Nachen,Qingyang Town, Jiangyin City 214400,Jiangsu, China ___________________________________________________________________________ 4GHz 3.63 5GHz 4.15 6GHz 4.80 耐温Temperature range °C -55-150(FEP), -55-200(PTFE) 驻波比/Standing wave(0-6GHz) / ≤1.35 4.包装Packing 标准单位包装长度为400 米/盘,每盘最多允许3 个接头,接头最短长度20 米,在搬运过 程中不能损坏包装. Standard unit length of finished cable shall be 400m on reel, frequency of joint max.3/reel, the mini length is 20m. The finished cable shall be packed not be damaged during transportation CONDUCTOR 导体 INSULATION 绝缘 JACKET 外被 BRAID 编织 ******************************************************************************* 本产品有时不适合车载用途的情况也有,所以使用前请先和本公司业务部门进行商谈. This product is not suitable fo…

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MRT Technology (Suzhou) Co., Ltd Report No.: 2406RSU015-U3 Phone: +86-512-66308358 Report Version: V01 Web: www.mrt-cert.com Issue Date: 2024-09-14 Template Version:1.5 1 of 90 RF MEASUREMENT REPORT FCC ID: SVC-C379 Applicant: Lenbrook Industries Limited Product: HYBRID DIGITAL DAC AMPLIFIER Model No.: C 379 Brand Name: NAD FCC Classification: FCC Part 15 Spread Spectrum Transmitter (DSS) FCC Rule Part(s): Part15 Subpart C (Section 15.247) Result: Complies Received Date: 2024-06-11 Test Date: 2024-09-07 ~ 2024-09-09 Reviewed By: Ada Zhang Approved By: Robin Wu The test results relate only to the samples tested. The test results shown in the test report are traceable to the national/international standards through the calibration of the equipment and evaluated measurement uncertainty herein. The test report shall not be reproduced except in full without the written approval of MRT Technology (Suzhou) Co., Ltd. Report No.: 2406RSU015-U3 2 of 90 Revision History Report No. Version Description Issue Date Note 2406RSU015-U3 V01 Initial Report 2024-09-14 Valid Report No.: 2406RSU015-U3 3 of 90 CONTENTS Description Page 1. General Information ................................................................................................................................ 6 1.1. Applicant ...................................................................................................................................... 6 1.2. Manufacturer ................................................................................................................................ 6 1.3. Testing Facility ............................................................................................................................. 6 1.4. Product Information ...................................................................................................................... 7 1.5. Radio Specification under Test .................................................................................................... 7 1.6. Working Frequencies ................................................................................................................... 8 1.7. Pseudorandom Frequency Hopping Sequence ........................................................................... 9 2. Test Configuration ................................................................................................................................. 10 2.1. Test Mode .................................................................................................................................. 10 2.2. Test System Connection Diagram ............................................................................................. 10 2.3. Test Software ............................................................................................................................. 10 2.4. Applied Standards ....................................................................................................................... 11 2.5. Test Environment Condition ........................................................................................................ 11 3. Antenna Requirement ........................................................................................................................... 12 4. Measuring Instrument ........................................................................................................................... 13 5. Decision Rules and Measurement Uncertainty .................................................................................. 14 5.1. Decision Rules ........................................................................................................................... 14 5.2. Measurement Uncertainty .......................................................................................................... 14 6. Test Result .............................................................................................................................................. 15 6.1. Summary .................................................................................................................................... 15 6.2. Occupied Bandwidth Measurement ........................................................................................... 16 6.2.1. Test Limit .................................................................................................................................... 16 6.2.2. Test Procedure ........................................................................................................................... 16 6.2.3. Test Setting ................................................................................................................................ 16 6.2.4. Test Setup .................................................................................................................................. 16 6.2.5. Test Result ................................................................................................................................. 16 6.3. Output Power Measurement ...................................................................................................... 17 6.3.1. Test Limit ...................................................................................................................…

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