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
Page 32 of 45
13 RF Characteristics
min max
Channel 1 11 (default), 13 (ETSI)
Frequency 2412 2472 MHz
Table 19: Supported frequencies
Standard Supported bit rates
802.11b 1, 2, 5.5, 11Mbps
802.11g 6, 9, 12, 18, 24, 36, 48, 54Mbps
802.11n, HT, 20MHz, 800ns 6.5, 13, 19.5, 26, 39, 52, 58.5, 65Mbps
802.11n, HT, 20MHz, 400ns 7.2, 14.4, 21.7, 28.9, 43.3, 57.8, 65, 72.2Mbps
Table 20: Supported modulations
802.11b Typ 802.11g Typ 802.11n short GI Typ 802.11n long GI Typ
1 Mbps -97 dBm 6 Mbps -92 dBm 6.5 Mbps -91 dBm 7.2 Mbps -92 dBm
2 Mbps -95 dBm 9 Mbps -91 dBm 13 Mbps -87 dBm 14.4 Mbps -90 dBm
5.5 Mbps -93 dBm 12 Mbps -89 dBm 19.5 Mbps -85 dBm 21.7 Mbps -87 dBm
11 Mbps -89 dBm 18 Mbps -87 dBm 26 Mbps -82 dBm 28.9 Mbps -84 dBm
24 Mbps -84 dBm 39 Mbps -78 dBm 43.3 Mbps -80 dBm
36 Mbps -80 dBm 52 Mbps -74 dBm 57.8 Mbps -75 dBm
48 Mbps -75 dBm 58.5 Mbps -71 dBm 65 Mbps -72 dBm
54 Mbps -73 dBm 65 Mbps -68 dBm 72.2 Mbps -69 dBm
Table 21: Typical receiver sensitivity