Exhibit 13 Cover Letters

FCC ID 2AC79-GRAPHENE174

Marine AIS Class B Transponder

True Heading AB

1. FCC ID
2. True Heading AB
3. 2AC79-GRAPHENE174
4. Exhibit 13 Cover Letters

Document ID #2840809

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=2840809
• https://fccid.io/2AC79-GRAPHENE174/Letter/Exhibit-13-Cover-Letters-2840809
• https://fccid.io/2AC79-GRAPHENE174/Letter/Exhibit-13-Cover-Letters-2840809.pdf

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