Long term Confidentiality Letter

FCC ID 2BRDE-ECHOPRO

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Hangzhou Humpback Whale Technology Co., Ltd.

1. FCC ID
2. Hangzhou Humpback Whale Technology Co., Ltd.
3. 2BRDE-ECHOPRO
4. Long term Confidentiality Letter

Document ID #8703454

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=8703454
• https://fccid.io/2BRDE-ECHOPRO/Letter/Long-term-Confidentiality-Letter-8703454
• https://fccid.io/2BRDE-ECHOPRO/Letter/Long-term-Confidentiality-Letter-8703454.pdf

Sending you directly to the document available from FCC.gov...