UMTS B19 (800 MHz Japan)
The UMTS B19 (800 MHz Japan) frequency band is used for Universal Mobile Telecommunications System (UMTS) networks in Japan. This band operates within the 800 MHz range, specifically between 830 MHz and 845 MHz for the uplink, and between 875 MHz and 890 MHz for the downlink. It is primarily utilized by Japanese carriers such as NTT Docomo for their 3G services.