The RAIN RFID Alliance is a non-profit organization to promote and support UHF RFID technology. RAIN RFID is a wireless technology that enables businesses and consumers to identify, locate and authenticate billions of items connected to the Internet of Things. RAIN Alliance is a global collection of companies and organizations which develop RAIN technology solutions addressing applications across many vertical markets. RAIN uses the GS1 UHF Gen2 protocol which ISO/IEC has standardized as 18000-63.