In terms of hardware (but not firmware) the BT Business Hub 3.0 appears identical to the BT Home Hub 3.0a.

• support possible, but not supported yet
• Lantiq "AR9" ARX168
• http://gadgetcat.wordpress.com/category/hardware/router/
• http://forum.kitz.co.uk/index.php/topic,10935.0.html
• http://forum.kitz.co.uk/index.php/topic,10161.0.html