Letter Authorization

FCC ID YZZGSC3516

SIP/Multicast Talk-Back Speaker

Grandstream Networks, Inc.

1. FCC ID
2. Grandstream Networks, Inc.
3. YZZGSC3516
4. Letter Authorization

Document ID #6083905

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=6083905
• https://fccid.io/YZZGSC3516/Letter/Letter-Authorization-6083905
• https://fccid.io/YZZGSC3516/Letter/Letter-Authorization-6083905.pdf

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