TP-Link's latest USB adapters can add WiFi to your PC without breaking the bank. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Here’s how it works. New from TP-LINK is the TL-WA890EA, a – deep breath – N600 Universal Dual Band 4 Port Wi-Fi Entertainment Adapter. Selling for around £50, it allows up to four devices – such as ...