wireless usb network card

The circuit of this project is simple. It is just an adapter board to accept the RTL8188 module. It is said that the network card is not suitable for ams1117 to output 3.3v. You can change it yourself. I am not a relevant professional and have no experience in antenna design. At the same time, considering the convenience of welding, Therefore, a welded antenna is used. If necessary, you can change it to an onboard or other antenna base. (The finished product is as shown below)
It has been verified that it works normally. Win10 is driver-free, Ubuntu is driver-free, and fydeOS is driver-free. Win7 and below need to install the driver by yourself. I have not tried it on other systems.
The important thing about this kind of thing is the change from 0 to 1, and the utilization of waste (you have the opportunity to dismantle this module from old equipment, and the same package can be used). The network card made at almost zero cost can be used in emergencies. Plug in the computer and connect to wifi. If you can ping successfully and have a certain bandwidth, this is a big victory, right (manual operation is funny), as for the speed. . . The nominal rating of the module is only 150mbps, and the actual measurement is just like the one shown in the figure. My module was disassembled from an old set-top box, and it can run at most 80 mbps. It is not stable yet. Emmm, is it usable?
When my friend took my file to make it, he reported that the USB pad was placed too far inside, and it might be necessary to polish off a bit of the PCB before it can be soldered on. If necessary, you can correct it yourself.