QMA and QN connectors are quick-connect RF connectors that were designed to replace the widely used SMA and Type N connectors. The connectors have been available since 2003. .
QMA connectors are the quick lock version of SMA and N connectors. This design can save much handling time because it allows quick mating and demating without tools. Due to the smaller overall size, it can save the operating space and allows for high density arrangement. To make cable routing easier, it can rotate 360 degrees after installation.