Zyxel PLA4201 Powerline Ethernet Adapter

The Zyxel PLA4201 is marketed as 500mpbs, which is a big leap in speed compared to some of the other devices seen in previous years… although there is only a 10/100mbps port attached to the adapter (we'll discuss this oddity later on in the review). The unit is IEEE 1901 compliant, so you'll be able to use this with any other compatible kit – although if you're starting from scratch it would be worthwhile sticking to the same unit where possible.