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
S
ilicon Labs
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2 Ordering Information
Product code Description
WF121-A WF121 module with integrated antenna, 500 units per Reel.
WF121-E WF121 module with U.FL connector, 500 units per Reel.
WF121-N
WF121 module with RF pin.
Non-standard product, so minimum order quantity applies.
Please contact sales through: www.silabs.com
DKWF121 WF121 development kit
N
ote: Modules with order code ending in –v1 are sold as engineering samples, while those with code –v2 are
production units. The difference between the two is in the microcontroller version used, the –v2 version fixes a
hardware bug that in some circumstances may cause rare bit errors. The modules differ in outlook in that the
–v1 only has the Bluegiga logo and text “WF121” while –v2 versions also have FCC/IC ID codes and CE logo.