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Signal quality varies on machines that are equal distances from access points or bridges due to different firmware calibrations

Core Issue

Resolution

Some versions of firmware actually change the readings. Inside the card an analog-to-digital conversion takes place. The analog reading that the card gets and reports to the Aironet Client Utility (ACU) does not always use the same calibration that was used in some of the earlier versions of firmware. For more information on this, refer to the Cisco Aironet Driver and Firmware Frequently Asked Questions.

Problem Type

The signal quality varies on machine the same distance away

Products

Bridge

WLAN adapters (wireless card) / ACU (Aironet Client Utility)

Access point

Antenna Type

Others

Omni directional

Parabolic antenna

Patch antenna

Yagi

Link Status Meter Test Result

Good

Fair

Poor

No signal

Excellent

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