Modem Help

hey, is there any modem which can be connected to my computer and send signals to other computer through WiFi ?
(i need my self a modem which i can connect internet through cable(because i dont have Wifi in my Comp) but my sister need to connect her laptop with wifi) so is there any things with this 2 options? (Connect through: cable, WiFi) ?

MOderator: Please Delete the other topic of mine in Wireless Section, Thanku
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  1. By sending signals, do you mean you want to share one internet connection with mulitple computers? If so, just look into a 802.11n router for $50+. Make sure your sister's laptop has a wifi card or built-in one. Go to device manager > networking.
  2. ----internet--------modem-----router- -- - - wifi / wired

    Have to have both a modem and wifi router to achieve what you are looking to do.
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