Electro-magnetic interference from an AT&T; cordless phone handset CL82301 when held near the internal Ferrite antenna on the back right of a 13-year-old boombox near the bottom of the AM broadcast band. Recorded with Goldwave from line-in. Phone is charging on charger. You hear a single tone of charging on standby, then I call it with my cell and you hear a buzzy hiss as the phone rings, then the low buzz as I drop the call from the cell phone. AT&T無繩電話接收呼叫掉話AM Radio.wav 聲道:2 類型:wav radio、buzz、t、cordless-phone、radio-interference、hiss、hum、am-radio、noise、digital、call、beep、electro-magnetic、interference、electronic、static、glitch、pulse、EMI、lo-fi、tone、EMF 無線電、蜂鳴器、Ť、無繩電話、無線電干擾、感覺、哼、上午無線電、噪聲、數字、呼叫、嘟、電磁、干擾、電子、靜態的、毛刺、脈衝、一個微笑、路飛、音、EMF 資料來源:freesound ( https://freesound.org )