Cover Letter

FCC ID XFF-CSB04PA1X

MMB Networks ZigBee/Thread/BLE Module

MMB Research Inc.

1. FCC ID
2. MMB Research Inc.
3. XFF-CSB04PA1X
4. Cover Letter

Document ID #3973449

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=3973449
• https://fccid.io/XFF-CSB04PA1X/Letter/Cover-Letter-3973449
• https://fccid.io/XFF-CSB04PA1X/Letter/Cover-Letter-3973449.pdf

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