RF wireless miscellaneous refers to the various different types of products, technologies, and applications that use radio frequency (RF) signals to communicate wirelessly. These include technologies such as Wi-Fi, Bluetooth, Radio Frequency Identification (RFID) systems, radio links and base stations, cordless telephones, Zigbee communication technologies and remote controls. They are designed to wirelessly send and receive information without the need for physical cables or wires. RF technology has been around since the 1920s and is used in a variety of industries, including medical, military, industrial, and aerospace applications.