It increases signal strength and range in all directions while using omni-directional antennas.
You don't "make" your router have wifi. It either has it or it doesn't. Wifi is available from a wireless router, so check to see if yours is wireless. A wireless router will usually, but not always, have antennae sticking out of it.
You need to have two things: a wireless router and a wireless adapter compatible with the router.
A wireless router resembles a flat plastic box with different lights indicating various states of connection. Some wireless routers have small antennae to help them transmit the WiFi over a certain radius.
wireless modem is called that because it has a wirelss router built in. wireless router just a wireless router. if your cable is not wireless you can buy a wireless router or a cable modem with wireless router
a wireless modem means it has a wireless router built in. A wireless router means just a wireless router. if your modem is not wireless, you will need just a wireless router
The best available wireless router is NetGear N-Dual Band router which relays wireless in two different signals 1 at 2 GHz and the other one at 5 GHz.
It is most definitely a wireless router.
There are at least two ways. First, you connect the wireless router directly to the cable modem, and then the switch in the wireless router. You have to connect the cable coming from the modem in the wireless router internet port. Second, you connect the wireless router to the switch, again the cable coming from the switch you have to connect on the wireless router internet port. It's better to put the wireless router just after the modem, but it's not required.
it says it on the router
yes
A dual band wireless router is the most modern type of router. It broadcasts over two bands, so it is faster and more reliable than a single band router.
Nowadays virtually any wireless router. When you get a router you usually have about 4 lan ports (switch) and wireless router in the same box.