Spectec SDIO WLAN Card User’s Manual
(C) 2004. Spectec Computer Co., Ltd.
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#SDW-820 - SDIO™ 802.11b 11Mbps WLAN Card
The SDW-820 is the most smallest SD/IO IEEE802.11b WLAN card, point to point and point to multipoint with
Windows-CE Pocket 2003 and Linux; will be also compatible with Windows XP in near further. SDW-820 Wi-
Fi SD card wireless communications into a single card giving SDIO-enabled PDA the freedom to quickly
transmit and receive data, images and music from thousands of 802.11b hotspots worldwide. The Ultra low
power for longer battery hours
Advanced Features:
802.11b Wi-Fi communications up to 11 Mbps High Speed Data Transfer Rate
Support STA(ad hoc and infrastructure) and AP mode
DCF/PCF support
High Performance engine for WEP, TKIP and AES support
On-Chip ADCs and DACs, RSSI, AGC
Interface
SDIO™ Ver1.0 (Support Ver1.1 Later)
IEEE 802.11b / Wi-Fi Compliance.
Three-wire interface for transceiver control
Infrastructure mode, Ad-Hock.
Frequency
Fully integrated, 2.4GHz band direct conversion transceiver
Channel
Channel: Maximum 11 channels (US) and 14 channels (JPN)
Connection: Infrastructure mode, Ad-hock mode
TX Data Rate
1, 2, 5.5 11 Mbps Data Rate
Transmission
DS-SS System (Direct Sequence Speed Spectrum).
Power Usage:
Operating Voltage: PA: 3.0 to 3.6V, TRX: 2.7V
Avg Operation: 185mA (While viewing Web).
Receive Mode: 60mA
Transmit Mode: 116ma for 15dbM Pout
Sleep mode: 5uA
Antenna
Antenna Type: Inverted-F Antenna
Antenna Gain: 3.4 dBi
Approvals
FCC, CE, Telec, DGT, IEEE 802.11b / Wi-Fi compliance
