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Transmit Rate / Range
High Speed 11 Mbps
Medium Speed 5.5 Mbps
Standard Speed 2 Mbps
Low Speed 1 Mbps
Open Office Environment
160 m (525 ft.)
270 m (885 ft.)
400 m (1300 ft.)
550 m (1750 ft.)
Semi-Open Office Environment
50 m (165 ft.)
70 m (230 ft.)
90 m (300 ft.)
115 m (375 ft.)
Closed Office
25 m (80 ft.)
35 m (115 ft.)
40 m (130 ft.)
50 m (165 ft.)
Receiver Sensitivity -83 dBm -87 dBm -91 dBm -94 dBm (depends on data rate)
Delay Spread (at FER of <1%) 65 ns 225 ns 400 ns 500 ns (depends on data rate)
• The range of wireless devices can be affected by metal surfaces, solid high-density materials
and obstacles in the signal path.
Table "Radio Characteristics" lists the typical ranges when used indoors:
• In
tions between them.
• In
at desktop level.
• In
measured at Buffalo Technology AirStation laboratories. These values are provided for your
guidance but may vary according to the actual radio conditions at the location where the
AirStation product is installed.
AirStation IEEE 802.11 Channel Sets
The range of the wireless signal is related to the Transmit Rate of the wireless communication.
Communications at a lower Transmit range may travel longer distances.
Channel ID FCC
1 2412
2 2417
3 2422
†
Default Channel
20
NOTE: The range values listed in Table "Radio Characteristics" are typical distances as
4 2427
5 2432
6 2437
, clients can "see" each other, i.e. there are no physical obstruc-
, work space is separated by room dividers; client cards are
, workspace is separated by floor-to-ceiling brick walls.
7 2442
8 2447
9 2452
10 2457
†
11 2462
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