Wireless networking has leaped from niche application to mainstream installations in a short matter of years, allowing homes and businesses to implement features like Wi-Fi Internet access and wireless multimedia file storage. The latest 300 Mb/s 802.11n (wireless-N) networks have been a big part of this transition, enabling transfer speeds similar to the cabled Gigabit Ethernet connections. This has made life more convenient, but for many installations range is still a problem. In this article Benchmark Reviews investigates the Diamond Multimedia WR300NSI Wireless Wi-Fi Range Extender. The purpose of this portable device is self-explanatory, and networking can be complicated, which is why we’ll test how well Diamond has kept it simple for the novice consumer in this article.