Authorization Letter

FCC ID YZZGBX20

Extension Module

Grandstream Networks, Inc.

1. FCC ID
2. Grandstream Networks, Inc.
3. YZZGBX20
4. Authorization Letter

Document ID #4400864

This document is available from the following links. Linking directly to FCC.gov may result in an error.

• https://apps.fcc.gov/eas/GetApplicationAttachment.html?id=4400864
• https://fccid.io/YZZGBX20/Letter/Authorization-Letter-4400864
• https://fccid.io/YZZGBX20/Letter/Authorization-Letter-4400864.pdf

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