Show me a router/modem

[theboy1]

Hello,
I want to buy a magic jack for my son, he lives out in the country and doesn't have a computer or phone. The new mj+ says you don't need a computer, but you do need to have a router. What is a router? (sorry I'm new at all this). Thank you for your help.

 

[jay_nar2012]

http://www.google.co.uk/imgres?q=router&um=1&hl=en&client=opera&sa=N&rls=en&channel=suggest&tbm=isch&tbnid=6k6ZT9M06V1IaM:&imgrefurl=http://morayit.co.uk/shop/index.php%3Fmain_page%3Dproduct_info%26products_id%3D105&docid=i3tWJatbWOgv7M&imgurl=http://morayit.co.uk/shop/images/categories/router.jpg&w=648&h=434&ei=4KUsUK_ePOah0QX774CoDA&zoom=1&iact=hc&vpx=608&vpy=186&dur=447&hovh=184&hovw=274&tx=168&ty=84&sig=113740115604873378982&page=1&tbnh=116&tbnw=173&start=0&ndsp=21&ved=1t:429,r:3,s:0,i:88&biw=1366&bih=645