Hi Don Ok, thanks for your reply. But mine can receive AM stations even when I switch it to narrow. Igor ----- Original Message ----- From: "Don Putnick" <nod_kcintup at yahoo.com> Subject: Re: [Yaesu] AM mode FT-920 > > Yes, you need the AM filter to receive and transmit in AM. You also need to change one of the menu options to say the filter is installed.