It's legal for a single earphone in IL. I use mine with my 706MKII. 73, Ed KA9EES ----- Original Message ----- From: "Paul Playford" <[email protected]> To: <[email protected]> Sent: Friday, May 03, 2002 9:03 PM Subject: Re: [Icom] Headset for MKIIG It may not be legal to use a headset while mobile. Keeps you from hearing emergency vehicles, etc. de Paul, W8AEF