The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

Thank WIRELESS technology.
The Big Bang Theory Season 5, Episode 19

An 802. 11n WIRELESS router.
The Big Bang Theory Season 1, Episode 16

Wireless mini-cam
and Bluetooth headset.
The Big Bang Theory Season 1, Episode 11