Data Sheet
Table Of Contents
- 1 Design guidelines
- 2 Ordering Information
- 3 Pinout and Terminal Descriptions
- 4 Packaging
- 5 Power control
- 6 Interfaces
- 7 Block diagram
- 8 Example schematics
- 9 802.11 Radio
- 10 Firmware
- 11 Host interfaces
- 12 Electrical characteristics
- 13 RF Characteristics
- 14 Physical dimensions
- 15 Layout guidelines
- 16 Soldering recommendations
- 17 Certifications
- 18 Qualified Antenna Types for WF121-E
Silicon Labs
13
RF Characteristics ................................................................................................................................. 32
14 Physical dimensions .............................................................................................................................. 34
15 Layout guidelines ................................................................................................................................... 35
15.1 WF121-E ............................................................................................................................................ 35
15.2 WF121-N............................................................................................................................................ 35
15.3 WF121-A ............................................................................................................................................ 36
15.4 Thermal considerations ..................................................................................................................... 37
15.5 EMC considerations ........................................................................................................................... 37
16 Soldering recommendations .................................................................................................................. 39
17 Certifications .......................................................................................................................................... 40
17.1 CE ...................................................................................................................................................... 40
17.2 FCC and IC ........................................................................................................................................ 40
17.2.1 FCC et IC ................................................................................................................................... 42
18 Qualified Antenna Types for WF121-E .................................................................................................. 45