Linksys WAG300N is a Draft-N wireless gateway (router plus ADSL2+ modem) with two large captive antennae and 4 Ethernet ports. It was the smallest such device tested by MacUser

MacUser

MacUser is a biweekly computer magazine published by Dennis Publishing Ltd. and licensed by Felden in the UK.In 1985 Felix Dennis’ Dennis Publishing, the creators of MacUser in the UK, licensed the name and “mouse-rating” symbol for MacUser to Ziff-Davis Publishing for use in the rest of the world....

, but the web interface was deemed "infuriating" and transfer rates to a MacBook

MacBook

The MacBook was a brand of Macintosh notebook computers built by Apple Inc. First introduced in May 2006, it replaced the iBook and 12-inch PowerBook series of notebooks as a part of the Apple–Intel transition. Positioned as the low end of the MacBook family, the Apple MacBook was aimed at the...

 "untenably slow". WAG300N is based on a Broadcom

Broadcom

Broadcom Corporation is a fabless semiconductor company in the wireless and broadband communication business. The company is headquartered in Irvine, California, USA. Broadcom was founded by a professor-student pair Henry Samueli and Henry T. Nicholas III from the University of California, Los...

 BCM63xx SoC, and runs a Linux-based firmware.