Is Wi-Fi plural or singular?

Dear All,

As a marketing slogan for the networking services we provide, I would like to use the sentence "The Road to (a) Great Wi-Fi".

And here it comes. A friend of mine argued that since Wi-Fi is plural, it should be without the article "a", however, I have found the following proof Wi-Fi is not necessarily plural.

Wi-Fi is the abbrev for Wireless Fidelity, which is singular. Moreover, here are definitions from several dictionaries.
Wiktionary: Wi-Fi - wireless data communication standard (singular)
Wikipedia: a popular technology that allows... (singular)
Britannica Encyclopedia: a networking technology... (singular)
New World Dictionary: Wi-Fi is a wireless local area network... (singular)
American Heritage Dictionary: Wi-Fi is a trademark for the certification of... (singular)
Collins Dictionary: Wi-Fi is a system of accessing the internet... (singular)
And according to this site, Wi-Fi is singular https://www.isplural.com/plural_singular/wifi

Then he answered: It is a new word and it doesn't seem to be decided, (other than Wi-Fi being the correct notation). However, in general, people are talking about "Wi-Fi networks" which is plural. You would say "I am connecting to a Wi-Fi network," which is correct. But without the word "network," you'd say, "I am connecting to Wi-Fi."

I would, therefore, like to hear your opinion on:
A. What is correct?
B. What is more suitable for the claim?

I feel that answers to both questions may actually be different

Thank you in advance and apology for my English.

Pavel