Recoton DVD647 RF Modulator review:
5 stars (works fine.) - this works fine with my dvd player. you can even choose which channel (3 or 4) to use with, which I like. The AC adaptor is small, which is good, although it would be better if it was incorporated inside the box, rather than externally. It is small enough to leave it at the back of the other stuffs.
5 stars (Does the job for 1/3 the price!) - After purchasing two Mini DVD/MP3/CD/etc...players for our twin boys older TV's we realized that we needed RF Modulators to hook up to our sets. After pricing the local mechants we gave Amazon a search and found these babys! We got two of these for 1/3 less than a single one priced locally, plus free shipping! Work great out of the box and do what you need it to....and aren't too ugly either!
5 stars (Works Perfectly) - I hooked this up in 5 minutes and it works great. Unlike some of the other reviews, the sound and video is in sync. Great solution for an old TV and a new DVD player.

Recoton DVD647 RF Modulator is the Electronics version. The full version can be purchased by clicking on the "CLICK HERE TO ORDER" button below for around  13.29USD.