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Cabletron Systems 802.11 User Manual

Page 16

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Site Preparation Guide

10

Mechanical

Size

45.7 cm (18 in)

Mounting Method

Vertical mast with an outside diameter
between 35 mm (1.4 in) and 42 mm (1.6
in) using u-bolts.

Wall using plugs and screws.

Cable

Type

RG-58A/U, 50 ohm low-loss coax

Length

20 cm (7.5 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, 1.5:1 Nominal

Nominal Impedance

50 Ohms

Gain

14-dBi

Front-to-Back Ratio

greater than 20 dB

Half-Power
Beamwidth

(-3dB)

Vertical (E-plane °)

30.8 Degrees

Horizontal (H-plane °)

31.4 Degrees

Polarization

Linear, Vertical or Horizontal

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 ft)