What is SDL and Sul in 5G?

Supplementary Downlink ( SDL ) and Supplementary Uplink ( SUL ) are modes that allow only downlink or uplink in those bands . SDL and SUL are meant to provide additional capacity. In practice, industry looks at 5G spectrum in terms of low-band (600-700 kHz), mid-band (3-5 GHz) and high-band (26-100 GHz).

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What are SA NSA 5G bands?

The main difference of NSA (Non-Standalone Architecture) and SA (Standalone Architecture) is that NSA anchors the control signaling of 5G Radio Networks to the 4G Core, while the SA scheme connects the 5G Radio directly to the 5G core network , and the control signaling does not depend on the 4G network at all.

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