Which country invented wifi?

The wireless network technology was invented by CSIRO, a research institute under the Australian government, in the 1990s, and successfully applied for the wireless network technology patent in the United States on 1996. U.S. Pat. No.5,487,069.

Wi-Fi is a technology that allows electronic devices to connect to a wireless local area network (WLAN), usually using 2.4GUHF or 5GSHFISM radio frequency bands. Connecting to WLAN is usually password protected; But it can also be open, allowing any device within the WLAN range to connect.