Very good performance, easy to set up and fulfilled my expectations!
I had to get this adapter when I moved my home office to a location where it wasn't feasible to run network cable. I'm using it on a VVX-601 that's on a lower level, separated from the router by stairs and a wall. It gets a great signal and I've noticed no distortion on voice calls. I'm impressed with the performance, especially for the price. This adapter costs about $50 new but I got it for around $25 on Egay! I'd happily buy this again.