Some of the newer flat pack duplexers will do it. they will go down to 400 kHz but you are limited to 50 watts and you only get 60 to 70 DB but if you are using a couple of HT's it will work OK around a Hamfest. 73 Russ,
----- Original Message ----- From: "Jim B." <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, January 13, 2005 11:47 AM Subject: Re: [Repeater-Builder] Mobile Duplexers > > [EMAIL PROTECTED] wrote: > > Does anyone know if there is even a mobile duplexer made for the 2 > > meter HAM split? Make? Price? This is for a portable GR 300 > > repeater. > > > > Thank you. > > Rod KC7VQR > > No. Can't be done. To get the isolation you need for the 600Khz split on > the 2M ham band, the cavities must be much larger, too large to be > called 'mobile'. Plus the tuning adjustment will be touchy enough that > the bouncing around will de-tune it. > Portable repeaters for the 2M ham band don't work well. Getting rid of > the desense takes some doing. It's not imposssible, but it ain't easy. > > -- > Jim Barbour > WD8CHL > > > > > > > Yahoo! Groups Links > > > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
