Atel IWE1200A-G, Руководство пользователя

Страница: 87 / 87

80
C-2: Distances and Data Rates
Important Notice: Maximum distances posted below are actual tested distance thresholds. However,
there are many variables such as barrier composition and construction and local environmental inter-
ference that may impact your actual distances and cause you to experience distance thresholds far
lower than those we post 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 obstruc-
tions 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 Ac-
cess 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 envi-
ronment 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)