User`s manual

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4.3 Appendix C: Additional Information
4.3.1 Distances and Data Rates
Maximum distances posted below are actual tested distance thresholds.
However, there are many variables such as barrier composition and
construction and local environmental interference that may impact your actual
distances and cause you to experience distance thresholds far lower than
those posted below.
IEEE 802.11b Maximum Distance Table
Environmental Condition Speed and Distance Ranges
11 Mbps 5.5 Mbps 2 Mbps 1 Mbps
Open Environment:
A "line-of-sight" environment
with no interference or
obstructions between Access
Point and Users.
160 m
(524 ft)
270 m
(886 ft)
400 m
(1312 ft)
457 m
(1500 ft)
Semi-Open Environment:
An environment with no major
obstructions such as walls or
privacy cubicles between
Access Point and users.
50 m
(164 ft)
70 m
(230 ft)
90 m
(295 ft)
120 m
(394 ft)
Closed Environment:
A typical office or home
environment with floor to
ceiling obstructions between
Access Point and users.
25 m
(82 ft)
35 m
(115 ft)
45 m
(148 ft)
55 m
(180 ft)