Many home-portable or cordless telephones, especially those that were designed in the 1980s, transmit low power FM audio signals between the table-top base unit and the handset on frequencies in the range 1600 to 1800 kHz.
Banyak telepon rumah portabel atau nirkabel, terutama yang dirancang pada 1980-an, mentransmisikan sinyal audio FM daya rendah antara unit dasar table-top dan handset pada frekuensi di kisaran 1600 hingga 1800 kHz.