Teardowns

Have a look at what's inside.

TP-Link Archer T4U teardown & thoughts

So, I went on Carousell and bought a Wireless USB card, being a poor guy with no income. The seller had used it quite a bit, but I was fine with second hand equipment. It came with a USB 3.0 extension cable, capable of 802.11ac at 867Mbps. And the WPS button on the side of the adapter made me cringe.

Back of the T4U

As usual, I decided to take it apart.

The top face of the PCB

While I was researching on this adapter, I stumbled upon the WikiDevi page for this adapter (WikiDevi is a really cool site to find wireless equipment information, like routers and radio chipsets). It uses a Realtek RTL8812AU chipset.

Because I originally intended to find a dual band USB adapter for wireless sniffing, I went on to find Linux driver support for the RTL8812AU chipset. Because this chipset seems to be quite recently released, driver support information I found was contradictory, but the Gentoo wiki confirmed driver support. It's currently provided by two open source drivers, this one written from scratch and this one based on the Realte