Using The External Directional Antenna; How To: Use The External Antenna To Locate - Netscout aircheck G2 User Manual

Using the External Directional Antenna

In large, open areas, the external directional antenna can
show you the direction of a signal source more precisely than
the omni-directional antennas inside the Tester.
NOTES:
When the external antenna is connected, it is only

functional in the Locate AP and Locate Client screens.
While on one of the Locate screens, the AirCheck G2

Tester does not transmit.

How to: Use the external antenna to locate

1 Connect the antenna to the SMA connector on the Tester
(See "AirCheck G2 Physical Features," page
The screen shows the antenna icon (
connect the antenna. The Tester uses the external
antenna if the antenna is connected. To switch between
the external and internal antennas, touch the antenna
icon at the bottom right of the screen.
2 Divide the area into four sections, as shown in
Go to the center of the area.
3 Press Locate.
4 Point the antenna to each corner of the area. Figure 43
shows how to point the antenna.
5
6
Use these guidelines when you use the external antenna 
(See


6).
) when you
Figure 42.
59
Locating an Access Point or a Client
Go to the middle of the section that has the strongest
signal.
Repeat steps 2, 5, and 6 until you find the access point or
client.
NOTE: If you do not find the access point or client,
look on the floor above or below you.
Figure 43.):
Hold the antenna at a constant height. You can get more
stable measurements if you hold the antenna above
cubicle walls.
When you point the antenna in different directions, do
not move your arm. Hold the Tester and antenna in one
position while you turn your body.