If you are really using a a WGR614v9, I would strongly suggest a better router.
Netgear is a great company, but that specific line of router is not.
Note that it is 'v9', which means they don't bother fixing issues properly. Rather, they just release a new hardware version hoping old problems go away, but new problems are introduced.
If you like Netgear, get one of their nighthawks, or TPlink AC1900, Asus, etc.
Also, unplug your cable/dsl modem and router for a few minutes then plug it back in. Your speed will probably improve temporarily.