SL91SL1D02 Huawei Huawei Microwave Transmission Telecom Module

The Huawei SL91SL1D02 is an Indoor Unit (IDU) designed for use in Huawei’s microwave transmission systems. The IDU serves as the baseband and network interface component, handling signal processing, multiplexing, and traffic management functions while connecting to an Outdoor Unit (ODU) mounted at the antenna.

This unit is typically deployed in split-mount microwave radio configurations where the IDU is installed in an equipment room or cabinet, connected via coaxial cable to the ODU at the antenna site. IDUs of this type support various transmission capacities and are used for mobile backhaul, enterprise connectivity, and carrier-grade point-to-point links.

The SL91SL1D02 is part of Huawei’s microwave product portfolio. As with many telecommunications infrastructure components, specific generations may be legacy or superseded by newer platforms, though they remain in active use across established network deployments worldwide.

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