Enterasys Networks 802.11b PC Card - Manual (Page 10)

4
Physical Specifications
Table 2: RoamAbout 802.11b PC Card Physical Specifications
Radio Ranges
Signal strength can be affected by closeness to metal surfaces and solid high-density
materials. The ranges listed in
Table 3 provide a general guideline and may vary according
to the actual physical environment where the product is used.
•
In open environments, there are no physical obstructions between antennas.
•
In semi-open environments, work space is divided by shoulder-height, hollow wall
elements; antennas are at desktop level.
Table 3: 802.11b Radio Ranges
Specification Value
Dimensions (LxWxH) 118 x 54 8 mm (4.72 x 2.26 x 0.32 in)
Weight 45 grams (1.58 oz)
Temperature (Operation) 0 o
to 55
o
C (32
o
to 131
o
F)
Temperature (Transit)
-20
o
to 70
o
C (-4
o
to 158
o
F)
Temperature (Storage)
-10
o
to 60
o
C (14
o
to 140
o
F)
Humidity Maximum 95%, no condensation allowed
Range 11 Mbit/s 5.5 Mbit/s 2 Mbit/s 1 Mbit/s
Open environment 160 m
(525 feet) 270 m
(885 feet) 400 m
(1300 feet) 550 m
(1750 feet)
Semi-open environment 50 m
(165 feet)
70 m
(230 feet) 90 m
(300 feet) 115 m
(375 feet)