Couldn't see this posted before - apologies in advance if it has!
Bought in Tesco Extra today....paid less than £39 due to Clubcard vouchers :-)
RRP is £59.99 so thought this was a decent deal
The Wireless N Networking Adapter provides increased speed, coverage and reliability, and features a high-performance design with two external antennas that works great with 802.11a/b/g and n connections. Simply snap the adapter on to the back of your console and enjoy wireless connectivity in multiple rooms or congested wireless environments and connect safely with WPA2 security support.