The lab we have created for this book is a barebones one and is great to get you started in the world of wireless security. However, you would require a more advanced lab, if you plan to pursue a career in Wi-Fi security and penetration testing.
Here are a couple of additional items you could consider purchasing:
Directional Antennas could be used to boost the signal and help detect more Wi-Fi networks from afar. This can come in handy when the penetration test involves a large facility, which might be difficult to cover by foot.
There are different types of antennas suited for various purposes. It might be worthwhile to do some research on this topic before making a purchase.
Wi-Fi Access Points: ...