The micro2R works very well for phone SO2R. John KK9A To: writelog at contesting.com Subject: Re: [WriteLog] USB Soundcard recommendation and setup From: "Joe Subich, W4TV" <lists at subich.com> Date: 2015年1月29日 14:29:50 -0500 List-post: <writelog at contesting.com">mailto:writelog at contesting.com> > I don't do that -- I use the YCCC SO2R box to switch my mic. microHAM micro2R also provides all the necessary mic switching (and muting) for SO2R phone operation. 73, ... Joe, W4TV