UMTS frequency bands are spectrum allocations dedicated to use for 3G Universal Mobile Telecommunications System networks. Bands are harmonised internationally via the 3GPP 25.101 standard.
The below table lists 29 3G UMTS bands, compiled from 3GPP 25.101 (Rel 99, May 1999)
| E-UTRA Band | Identifier | Duplex Mode | Uplink (MHz) | Downlink (MHz) | UL UARFCN | DL UARFCN |
|---|---|---|---|---|---|---|
| B1 (2100 MHz) | IMT 2100 | FDD | 1920 - 1980 | 2110 - 2170 | 9612 - 9888 | 10562 - 10838 |
| B2 (1900 MHz) | PCS 1900 | FDD | 1850 - 1910 | 1930 - 1990 | 9262 - 9538 | 9662 - 9938 |
| B3 (1800 MHz) | DCS 1800 | FDD | 1710 - 1785 | 1805 - 1880 | 937 - 1288 | 1162 - 1513 |
| B4 (1700 MHz) | AWS 1700/2100 | FDD | 1710 - 1755 | 2110 - 2155 | 1312 - 1513 | 1537 - 1738 |
| B5 (850 MHz) | CLR 850 | FDD | 824 - 849 | 869 - 894 | 4132 - 4233 | 4357 - 4458 |
| B6 (800 MHz) | 800 | FDD | 830 - 840 | 875 - 885 | 4162 - 4188 | 4387 - 4413 |
| B7 (2600 MHz) | IMT-E 2600 | FDD | 2500 - 2570 | 2620 - 2690 | 2012 - 2338 | 2237 - 2563 |
| B8 (900 MHz) | E-GSM 900 | FDD | 880 - 915 | 925 - 960 | 2712 - 2863 | 2937 - 3088 |
| B9 (1700 MHz) | 1800 Japan | FDD | 1749.9 - 1784.9 | 1844.9 - 1879.9 | 8762 - 8912 | 9237 - 9387 |
| B10 (1700 MHz) | Extended AWS, AWS-1+ | FDD | 1710 - 1770 | 2110 - 2170 | 2887 - 3163 | 3112 - 3388 |
| B11 (1500 MHz) | 1500 Lower | FDD | 1427.9 - 1447.9 | 1475.9 - 1495.9 | 3487 - 3562 | 3712 - 3787 |
| B12 (700 MHz) | 700 a | FDD | 699 - 716 | 729 - 746 | 3617 - 3678 | 3842 - 3903 |
| B13 (700 MHz) | 700 c | FDD | 777 - 787 | 746 - 756 | 3792 - 3818 | 4017 - 4043 |
| B14 (700 MHz) | 700 PS | FDD | 788 - 798 | 758 - 768 | 3892 - 3918 | 4117 - 4143 |
| B19 (800 MHz) | 800 Japan | FDD | 830 - 845 | 875 - 890 | 312 - 363 | 712 - 763 |
| B20 (800 MHz) | 800 DD | FDD | 832 - 862 | 791 - 821 | 4287 - 4413 | 4512 - 4638 |
| B21 (1500 MHz) | 1500 Upper | FDD | 1447.9 - 1462.9 | 1495.9 - 1510.9 | 462 - 512 | 862 - 912 |
| B22 (3500 MHz) | 3500 | FDD | 3410 - 3490 | 3510 - 3590 | 4437 - 4813 | 4662 - 5038 |
| B25 (1900 MHz) | 1900+ | FDD | 1850 - 1915 | 1930 - 1995 | 4887 - 5188 | 5112 - 5413 |
| B26 (850 MHz) | 850+ | FDD | 814 - 849 | 859 - 894 | 5537 - 5688 | 5762 - 5913 |
| B32 (1500 MHz SDL) | 1500 L-band | SDL | - | 1452 - 1496 | - | 6617 - 6813 |
| B33 (1900 MHz) | TD 1900 | TDD | 1900 - 1920 | 1900 - 1920 | 9500 - 9600 | 9500 - 9600 |
| B34 (2000 MHz) | TD 2000 | TDD | 2010 - 2025 | 2010 - 2025 | 10050 - 10125 | 10050 - 10125 |
| B35 (1800 MHz) | TD PCS Lower | TDD | 1850 - 1910 | 1850 - 1910 | 9250 - 9550 | 9250 - 9550 |
| B36 (1900 MHz) | TD PCS Upper | TDD | 1930 - 1990 | 1990 - 9650 | 9650 - 9950 | 9650 - 9950 |
| B37 (1900 MHz) | TD PCS Center gap | TDD | 1910 - 1930 | 1910 - 1930 | 9550 - 9650 | 9550 - 9650 |
| B38 (2600 MHz) | TD 2600 | TDD | 2570 - 2620 | 2570 - 2620 | 12850 - 13100 | 12850 - 13100 |
| B39 (1900 MHz) | TD 1900+ | TDD | 1880 - 1920 | 1880 - 1920 | 9400 - 9600 | 9400 - 9600 |
| B40 (2300 MHz) | TD 2300 | FDD | 2300 - 2400 | 2300 - 2400 | 11500 - 12000 | 11500 - 12000 |