How to make a wireless USB port..........................…

Your question makes NO sense. USB is serial DATA communications, exactly like a RS-232 serial port is... you know, the 9 or 25 pin connectors that you use with a standard external telephone modems, or if you are old enough, serial printers or terminals. The standard telephone modem takes digital signals on the serial line and converts it to tones which are sent down the og phone line. The return signal is simply another set of tones to keep incoming and outgoing data separate. There are NO "smarts" in a USB port OR a standard RS-232 port. The wireless router MAY have a USB port to connect it to your computer to use with, or instead of, Ethernet, but that is where the similarity STOPS. The ports on the router are "smart" in that they know how to transmit and receive TCP/IP packets of data. The wireless portion is simply a transceiver device connected to ONE port on the router, and is in itself a router for the radio signals it sends and receives, connecting to external devices. Wireless is just a form of glorified party line. When one device transmits, everyone else listens and waits their turn. THEN, everyone starts shouting in an effort to be heard. Any collision and BOTH parties lose the data, and have to try again. Packets expire, which is called "time to live". After a fixed amount of time, if the sender receives no acknowledgment that the packet was received, it tries sending it again, and again, and again, and repeats until if finally gets through. The problem with any party line is collisions which slows down throughput for everyone. (cable advertises HUGE speeds compared to DSL, but cable too, is a big party line with all of the customers on your part of town covered by the cable that simply is split to go to each house. Is it ANY wonder, people see the system slow down at "peak hours" such as after school and early evening? My DSL is constant because in essence, I am hooked via the phone line directly to a port on my ISP's router. I share the line with no one else, so no collisions with other users means I do NOT drop packets.) Anyway, you won't be connecting a standalone wireless device to a USB device directly. It will have to go through something like a computer with enough smarts to handle the USB device AND the wireless access point to get them talking to each other. You MAY have a lot of experience with electronics, but you fail to understand the difference between a simple transceiver replacing wires to send og signals and digital signal packets of data. That said, I do have a Western Digital Wireless Hard Drive. It is a "network attached storage" device (NAS). It has an Ethernet port, a wireless access point and USB ports built in to a single device in an enclosure. I can add a USB hard disk (or flash drive) and make it available to use as just another network drive in the same manner as the internal hard disk. I can connect to it with a laptop through the wireless access point, since it is a rudimentary web server. Once configured, it can use hardwire Ethernet or wireless to connect to my home network. It must be initially configured to set up the wireless through the hardwire Ethernet port, but once configured, I can unplug the physical wire and use it as a wireless standalone hard drive. There is no reason why I could not run the drive off a battery instead of the wall wart power supply. So, I hope you can see that what you are asking is mixing apples an oranges and why I stated your question makes NO sense, at least not to ME anyway... It sounds top me like what you want to do is use a USB camera remotely... IF so, there IS something you CAN do, MAYBE, a wireless modem pair, sometimes called a "short haul" modem pair. This is a special form of modem. It does NOT hook to the telephone line, but rather the port directly to transmit RS-232 signals from any serial port to any other serial port located somewhere else. These used to be used with serial printers or terminals to connect to a mainframe without running a 25 conductor cable. The wireless link simply replaced the hardwire cable between two RS-232 ports. I do NOT know if anyone makes a serial transceiver pair (such as wireless terminals used by mainframes) for USB. I leave THAT research as an exercise for the student... which would be YOU...