User Manual
Table Of Contents
- 1 MG21USB Dongle Guide
- 1.1 Board Description
- 1.2 USB Dongle EFR32MG21 I/O Mapping
- 1.3 USB Dongle and Host Interface
- 1.4 USB Dongle Application FW Upgrade over USB through X-Modem Bootloader
- 1.5 MG21 Bootloader mode and Reset control
- 1.6 LED Indicators
- 1.7 PTA Debug Interface
- 1.8 Using the Mini-Simplicity interface on USB Dongle
- 1.9 MG21 USB Dongle v2 Components Placement
- 1.10 MG21 USB Dongle Test Points
- 2 MG21 USB Dongle firmware flashing, debugging and PTI Network Traffic Capture
- 3 MG21USB Dongle Certifications
- 4 Document Revision History
FCC RF Exposure Information and Statement
The SAR limit of USA (FCC) is 1.6 W/kg averaged over one gram of tissue. Device types
MG21USB Dongle (FCC ID: 2A6MQ-MG21USB) has also been tested against this SAR limit.
The highest SAR value reported
under this standard during product certification for use at the body is 0.073W/kg .
This device
was tested for typical body-worn operations with the back of the handset kept 0PPī from the
body. To maintain compliance with FCC RF exposure requirements, use accessories that
maintain a 0Pm separation distance between the user's body and the back of the handset. The
use of belt clips, holsters and similar accessories should not contain metallic components in its
assembly. The use of accessories that do not satisfy these requirements may not comply with
FCC RF exposure requirements, and should be avoided.