Confidential Request Letter

FCC ID XF6-M4SB

Single Band SIP Module, Small Form Factor Single Band 802.11b/g/n, Bluetooth 5.0, Zigbee Module

Silicon Labs

1. FCC ID
2. Silicon Labs
3. XF6-M4SB
4. Confidential Request Letter

Document ID #6299658

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=6299658
• https://fccid.io/XF6-M4SB/Letter/Confidential-Request-Letter-6299658
• https://fccid.io/XF6-M4SB/Letter/Confidential-Request-Letter-6299658.pdf

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