5G NR Resource Grid Explorer

Visualize the 5G NR resource grid — PRBs, symbols, DMRS, control channels across numerologies. Interactive slot view.

Read the theory

• Point A, offsetToPointA, and k_SSB: Where the SSB Actually Sits in a 5G NR Carrier
• PDCCH and CORESET: Where the Scheduling Grant Actually Lives
• 5G NR Transport Block Size (TBS) Calculation, Step by Step

All free RF & 5G NR tools · Engineering blog · 6G hub