Are you experiencing static/noise on your cordless phone, TV or radio while the microwave oven is in use?
Some 2.4 GHz-based cordless phones and home wireless networks may experience static or noise while the microwave oven is in use.
Use a corded phone, a different frequency cordless phone or avoid using these items during microwave oven operation.
TV or radio
Some TV receivers and radios may experience static or noise while the microwave oven is in use.
Move the receiver away from the microwave oven or adjust the radio or TV antenna.