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SKW35 is an 802.11n b/g wifi one-stream USB interface designed specifically to provide enhanced WiFi performance and value for home gateways, set-top boxes, gaming consoles, printers, IP cameras, and variety of other products that host processors not originally intended to support WiFi functions. SKW35's AR9271 single-chip features a new architecture that integrates both a CPU and memory to run more of the WiFi function on-chip. The integrated CPU offloads the wireless processing overhead from the host appliance and enables consumer electronic devices to support WiFi functions seamlessly without change of original host processors.
Wireless Specifications
Standard Conformance | 802.11b, 802.11g, and 802.11n |
Frequency Range | USA: 2.400 ~ 2.483GHz |
Europe: 2.400 ~ 2.483GHz | |
Japan: 2.400 ~ 2.497GHz | |
China: 2.400 ~ 2.483GHz | |
Modulation Technique | DSSS with CCK, DQPSK, DBPSK |
OFDM with BPSK, QPSK, 16QAM, 64QAM | |
Channel Spacing | 5MHz |
Data Rate | 802.11b: 1, 2, 5.5 and 11Mbps |
802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps | |
802.11n: 20MHz channel: 1Nss: 65Mbps @ 800GI, 72.2Mbps @ 400GI (Max.) | |
40MHz channel: 1Nss: 135Mbps @ 800GI, 150Mbps @ 400GI (Max.) | |
Operating Channels | USA/Canada: 11 (1~11) |
Major Europe Countries: 13 (1~13) | |
France: 4 (10~13) | |
Japan: 14 for 802.11b (1~13 or 14th), 13 for 802.11g (1~13) | |
China: 13 (1~13) | |
Wi-Fi Compliance | Wi-Fi 2.4GHz by request |
Security | 64/128/152-bit WEP encryption |
802.1x authentication | |
AES-CCM & TKIP encryption |
Transmit Power And Receive Sensitivity
Transmit Power | target power tolerance ±2dBm | |||
802.11b: 17 dBm for 802.11b DSSS | ||||
802.11g: +17dBm @ 6, 9, 12,18,24,36,48Mbps | ||||
+15dBm @ 54Mbps | ||||
802.11n HT20: +15dBm @ MCS 7/15 | ||||
802.11n HT40: +15dBm @ MCS 7/15 | ||||
Receiver Sensitivity | Data Rate | IEEE Spec(1 Rx dBm) | Typical | |
802.11b | 1M | -82 | -92 | |
5.5M | -80 | -89 | ||
11M | -76 | -87 | ||
802.11g | 6M | -82 | -92 | |
9M | -81 | -92 | ||
12M | -79 | -91 | ||
18M | -77 | -90 | ||
24M | -74 | -86 | ||
36M | -70 | -83 | ||
48M | -66 | -78 | ||
54M | -65 | -76 | ||
802.11n HT20 | MCS0 | -82 | -92 | |
MCS1 | -79 | -91 | ||
MCS2 | -77 | -90 | ||
MCS3 | -74 | -85 | ||
MCS4 | -70 | -82 | ||
MCS5 | -66 | -79 | ||
MCS6 | -65 | -75 | ||
MCS7 | -64 | -73 | ||
802.11n HT40 | MCS0 | -79 | -88 | |
MCS1 | -76 | -87 | ||
MCS2 | -74 | -86 | ||
MCS3 | -71 | -82 | ||
MCS4 | -67 | -78 | ||
MCS5 | -63 | -75 | ||
MCS6 | -62 | -72 | ||
MCS7 | -61 | -70 | ||
Operation Distance | Outdoor | Indoor | ||
802.11b | 150m @ 11Mbps | 30m @ 11Mbps | ||
300m @ 1Mbps | 100m @ 1Mbps | |||
802.11g | 50m @ 54Mbps | 30m @ 54Mbps | ||
300m @ 6Mbps | 100m @ 6Mbps | |||
802.11n HT20 | 30m @ 150Mbps | 20m @ 150Mbps | ||
30m @ 65Mbps | 20m @ 65Mbps | |||
250m @ 6.5Mbps | 100m @ 6.5Mbps | |||
802.11b/g/n USB wifi module SKW35