Cabletron Systems 802.11 Stereo System User Manual


 
Site Preparation Guide
13
RoamAbout 7-dBi Omni-Directional Antenna
The RoamAbout 7-dBi Omni-Directional Antenna is a broadband antenna for the 2.4
GHz frequency band featuring an omni-directional pattern with a nominal gain of 7
dBi.
This antenna is encapsulated in a weatherproof protective covering. With the hardware
provided, this vertically-polarized antenna can be mounted on an antenna mast with an
outside diameter of up to 51mm (2 in).
Mechanical
Size
45.7 cm (18 in)
Mounting method
Clamps to vertical mast with outside
diameter up to 51mm (2 in)
Cable
Type
RG-58A/U, 50 ohm low-loss coax
Length
15 cm (6 in)
Color
White
Connector
FCC Countries
Reverse Polarity-N (male)
ETSI Countries
Standard-N (female)
France
Standard-N (female)
Japan
Standard-N (female)
Electrical
Frequency Range
2.4 GHz
VSWR
Less than 2:1 Nominal
Nominal Impedance
50 Ohms
Gain
7-dBi
Polarization
Linear Vertical
Antenna Environment
Operating Temperature
+60°C (140°F) - 40°C (-40°F)
Wind/survival (mph)
At least 128 km/h (80 mph)
a
a. At least 104 km/h (65 mph) with 1.25 cm (0.5 in) ice.
Wind Surface Area
7.56 square cm (0.248 square feet)