Block Total Spectrum Lower Sub-band Upper Sub-band
Block A 30 MHz 1850-1865 MHz 1930-1945 MHz
Block D 10 MHz 1865-1870 MHz 1945-1950 MHz
Block B1 10 MHz 1870-1875 MHz 1950-1955 MHz
Block B2 10 MHz 1875-1880 MHz 1955-1960 MHz
Block B3 10 MHz 1880-1885 MHz 1960-1965 MHz
Block E 10 MHz 1885-1890 MHz 1965-1970 MHz
Block F 10 MHz 1890-1895 MHz 1970-1975 MHz
Block C1 10 MHz 1895-1900 MHz 1975-1980 MHz
Block C2 10 MHz 1900-1905 MHz 1980-1985 MHz
Block C3 10 MHz 1905-1910 MHz 1985-1990 MHz
Block G* 10 MHz 1910-1915 MHz 1990-1995 MHz
G= Reserved for future use.
Uplink: 1850 - 1910 MHz
Guard band: 1910-1920 MHz
Unlicensed PCS 1920-1930 <-
Downlink: 1930 - 1990 MHz
No RX/TX overlapping
Band plan is regulated by 3GPP.
Specific band plan for US:
https://www.3gpp.org/ftp/tsg_ran/TSG_RAN/TSGR_46/Docs/RP-091201.zip