7. Technical specifications of WL-280
Hardware compatibility
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IBM-compatible computer with a USB port
Driver support
NDIS 4.0
−
Windows 98
−
Windows 2000
Standards supported
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IEEE 802.11 standard for Wireless LAN
−
All major networking standards (including TCP/IP, IPX)
Environmental
Operating temperature (ambient):
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-10°C to 50°C (Operating),-20 to 70°C (Storing)
−
Max . Humidity:
95% Non-condensing
Power specifications
Operating voltage:
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+5 V ,+3.3V DC ±5%
−
Nominal Temp Range: 17 dBm
−
Extended Temp Range: 14 dBm min.
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Transmit Power, 2.7v to 3v: 14 dBm min.
Radio specifications
Range:
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per cell indoors approx. 35-100 meters or more
−
per cell outdoors up to 100-300 meters
Frequency range:
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2.4-2.4835 GHz, direct sequence spread spectrum
Number of Channels:
−
Europe: 13 (3 non-overlapping)
−
US: 11 (3 non-overlapping)
−
France: 4 (1 non-overlapping)
Antenna system:
−
Internal patch antenna supporting diversity.
Mobility:
−
Seamless roaming across cell boundaries with handover
Specific features
