Confusing nomenclature for cellular technology has long been the norm: the term 4G was co-opted years ago for technologies that did not deserve the name.
4.5G - News, Features, and Slideshows
News about 4.5G
Spark and network partner Huawei enable first 4.5G mobile site in New Zealand.
“4.5G and related technologies are the future of our increasingly digitalised world."