Yea that's the one, they give excellent uk coverage, you just need to select your region from the main menu, after installing the sd card. excellent for sitting you right over wrecks, and banks, you will not be dissapointed there just a bit pricey for an sd card. I won mine by snipper bidding in the last ten seconds of auction for 130. here's a few to choose from.
best luck if bidding.
navionics gold uk | eBay