Letter Authorization

FCC ID YZZGHP61X

SIP/Multicast Talk-Back Speaker

Grandstream Networks, Inc.

1. FCC ID
2. Grandstream Networks, Inc.
3. YZZGHP61X
4. Letter Authorization

Document ID #6134715

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=6134715
• https://fccid.io/YZZGHP61X/Letter/Letter-Authorization-6134715
• https://fccid.io/YZZGHP61X/Letter/Letter-Authorization-6134715.pdf

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