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Maritime navigation and radiocommunication equipment and systems. Digital interfaces - Single talker and multiple listeners, high-speed transmission. Original standard UNE-EN IEC 61162-2-2024 in PDF full version. Additional info + preview on request

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Radio-frequency connectors - Part 1-2- Electrical test methods - Insertion loss. Original standard UNE-EN IEC 61169-1-2-2020 in PDF full version. Additional info + preview on request

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Radio-frequency connectors Part 4: RF coaxial connectors with inner diameter of outer conductor 16 mm (0,63 in) with screw lock. Characteristic impedance 50 ohms (type 7-16). Original standard UNE-EN IEC 61169-4-2024 in PDF full version. Additional info + preview on request

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Radio frequency connectors - Part 64- Sectional specification - RF coaxial connectors with 0,8 mm inner diameter of outer conductor - Characteristic impedance 50 Ω (type 0,8). Original standard UNE-EN IEC 61169-64-2020 in PDF full version. Additional info + preview on request

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Circuit boards and circuit board assemblies. Design and use - Land pattern design. Description of land pattern for through hole components (THT). Original standard UNE-EN IEC 61188-6-3-2025 in PDF full version. Additional info + preview on request

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Test methods for electrical materials, circuit boards and other interconnection structures and assemblies - X/Y coefficient of thermal expansion (CTE) test for thick base materials by TMA. Original standard UNE-EN IEC 61189-2-809-2025 in PDF full version. Additional info + preview on request

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