NAS Decoder

Decode Non-Access Stratum messages for 4G LTE and 5G NR networks

What is NAS?

NAS (Non-Access Stratum) is the protocol between the UE and core network for mobility and session management.

Key Features

  • Security Header detection
  • Message Type identification
  • EMM/ESM classification

Common Messages

  • Attach Request/Accept
  • Authentication
  • PDN Connectivity

Input

Output

Enter hex string and click Decode