While this modification is minor on the scale of hardware hacks, it still yields a fairly impressive gain. For only $20 and a little bit of effort you to can modify your own PSP to get these results. However, for all that it may help your signal this mod does severely degrade the aesthetics of your beautifully designed PSP. Fortunately, if you find the external pigtail more of an annoyance than upgrade, you can easily remove it and reinstall the original antenna. Thanks for reading!