Compared to an RV router, it has about a million times more capability.  They aren't even really on the same page.  Hence the cost difference.   Also, to the best of my knowledge, Cisco no longer sells the RV product line.  It has been discontinued. https://www.cisco.com/c/en/us/products/routers/small-business-rv-series-routers/eos-eol-notice-listing.html  ... View more