Psychic Sleuth
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IMO since MR has a laptop it's very likely that he has some type of wifi setup. No not everyone does, but I would say most with laptops do have wifi. Especially nowadays.
All a wireless router does is turn a non wireless modem into a wireless modem. It sends out the wireless signal. I used to have this setup. Now most ISP's provide you with a wireless modem. I used to have 2 desktops and my daughter had a laptop. Before I had a wireless modem I had to buy a wireless router and attach to the non wireless modem which was attached to desktop #1. I then had to buy a wireless receiver for desktop #2 to receive the wireless signal since most desktops do not have wireless receivers built in. My daughter who had a laptop WITH a wireless receiver built in didn't need to do anything to pick up the wireless router signal. All laptops have wireless receivers built in. As do smart phones, iPods etc.
All a wireless router does is make an non wireless modem (which is provided by your ISP) into a wireless modem. Most ISP's now provide you with a wireless modem so this is not necessary.
All a wireless router does is turn a non wireless modem into a wireless modem. It sends out the wireless signal. I used to have this setup. Now most ISP's provide you with a wireless modem. I used to have 2 desktops and my daughter had a laptop. Before I had a wireless modem I had to buy a wireless router and attach to the non wireless modem which was attached to desktop #1. I then had to buy a wireless receiver for desktop #2 to receive the wireless signal since most desktops do not have wireless receivers built in. My daughter who had a laptop WITH a wireless receiver built in didn't need to do anything to pick up the wireless router signal. All laptops have wireless receivers built in. As do smart phones, iPods etc.
All a wireless router does is make an non wireless modem (which is provided by your ISP) into a wireless modem. Most ISP's now provide you with a wireless modem so this is not necessary.