Month: March 2022

One main difference of QSFP-DD 400G FR4 vs DR4 vs SR8 vs FR8

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With the development of science and technology, the requirements for data transmission speed are increasingly higher. The old modulation scheme based on NRZ type coding has been difficult to meet the requirements of high rate. Whether it is the chip on the PC board or one end to the other end of the long-distance optical … Read more

Best time to visit Dubai

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Introduction: For many people, Dubai is an image of giant skyscrapers, golden sands, and all sorts of luxuries. It’s a city that blends old and new, charm and tradition. One moment you might be on top of the Burj Khalifa – the tallest building in the world – and the next, the air smells of … Read more