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My WLAN system sees radio frequency interference (RFI) or electromagnetic interference (EMI) from another device. What can I do?

April 26, 2017device electromagnetic EMI Frequency interference radio RFI sees system WLAN

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My WLAN system sees radio frequency interference (RFI) or electromagnetic interference (EMI) from another device. What can I do?

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A. Relocate the Cisco Aironet equipment as far away as practical from potential sources of EMI/RFI or reorient the point-to-point antennas away from the RFI/EMI emitter. Use a different frequency range for the phone and WLAN. It is suggested that you perform a site survey before you install a WLAN. In site survey you can detect all kinds of interference sources. This includes non-802.11 sources such as microwave ovens, cordless phones, etc. You can collect information on key parameters such as Signal strength, Noise, and Data rates that exist in the actual deployment scenario. Based on this, WLANs can be planned and deployed accordingly. For more information on site survey, refer to Wireless Site Survey FAQ.