UHF RFID working frequency division around the world

According to the regulations of various countries/regions, UHF RFID frequencies are different. From the common UHF RFID frequency bands around the world, the North American frequency band is 902-928MHz, the European frequency band is mainly concentrated in 865-858MHz, and the African frequency band is mainly concentrated in 865-868MHz, the highest frequency band in Japan is 952-954MHz, and the frequency band in South Korea is 910-914MHz. There are two frequency bands in China, Brazil, and South Africa. The frequency bands in China are 920-925MHz and 840-845MHz, and the frequency bands in Brazil are 902-907.5MHz and 915-928MHz. On the whole, the UHF frequency bands in the world are mainly concentrated in 902- 928MHz and within 865-868MHz.