In the late 70's and early 80's, decent was the equivilant to the standard current usage of "awesome" or "cool".
Aww...that mustang is decent!
A way to get Internet access, the term Wi Fi is a play upon the decades-old term HiFi that describes the type of output generated by quality musical hardware, Wi Fi stands for Wireless Fidelity and is used to define any of the wireless technology in the IEEE 802.11 specification - including (but not necessarily limited to) the wireless protocols 802.11a, 802.11b, and 802.11g. The Wi-Fi Alliance is the body responsible for promoting the term and its association with various wireless technology standards.
I am heading out of the house and I need Wi-Fi to check my email.