Release 9.4.2 Release Notes
Issue 1, May 2009 Page 20
Table 8: Release 9.4.2 operation based on Region Code and frequency band
1. In all cases, set the Region Code to the region you are in, and the software will determine the correct use of DFS.
2. Weather radar operates on frequencies from 5600 through 5650 MHz. In some countries a “weather notch” is required to
avoid impinging on these frequencies.
3. Radios placed on market in Europe after July 1, 2008, can’t impinge on weather radar frequencies. To meet this requirement,
the software checks the date code of the module and implements the weather notch accordingly. You can tell if a 5.4 GHz
module is “newer” or “older” by setting the Region Code to Europe – if the notch frequencies are not shown on the
Configuration => Radio page, then the module is “newer”, if the notch frequencies are shown, the module is “older”.
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