User Manual

2
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Introduction
The J27H023.01 802.11b/g module provides wireless modem functionality utilizing direct sequence spread
spectrum and OFDM/CCK technology.
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1.1 WLAN Features
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Operating Frequency 2412 ~ 2483.5 MHz ISM band
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Modulation Schemes 802.11b (DSSS): DBPSK, DQPSK, CCK
802.11g (OFDM): BPSK, QPSK, 16QAM, 64QAM
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Channel Numbers IEEE 802.11 g compliant:
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1 ~ 11 channels for United States
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1 ~ 13 channels for Europe, Japan
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IEEE 802.11 b compliant:
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1 ~ 13 channels for United States, Europe and Japan
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WLAN Data Rate 802.11g: Up to 54 Mbps with auto fallback to 48, 36, 24, 18, 12,
9 and 6
Mbps.
802.11b: Up to 11 Mbps with auto fallback to 5.5, 2 and
1Mbps.
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Media Access Protocol CSMA/CA with ACK
Output Power 8.02.11g: 15.06dBm (Conducted)
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8.02.11b: 9.18dBm (Conducted)
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Antenna Type Single antenna connector for off board antenna
Operating Voltage 1.8 VDC and 3.3 VDC
Operating Systems Windows 98/Me/2000/XP
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