Effnetplattformen Holding AB (publ) develops and licenses networking software solutions worldwide. The company offers Effnet 5G protocol stack for use in terminals, such as cellular IoT devices, dongles, and access points, as well as test systems; and Effnet 5G RAN, a software for use in base-stations, vehicle-to-everything communication devices, and test systems. It also owns and manages real estate properties. The company was founded in 1997 and is based in Luleå, Sweden.