I run a 93sv at the helm and a stiker 7sv at the aft of the boat while longlining and love it !!!! now you say you are not after the mapping portion the striker is the ticket you might want to look at the striker 5dv here is a site you can check it out and for moneys you can't beat it !!!

https://www.thegpsstore.com/Garmin-S...nVu-P4620.aspx