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Spectrum database/Channel calculators

Channel calculators

Convert between channel numbers and centre frequencies for LTE and 5G NR.

4G LTE EARFCN

FDL = FDL-low + 0.1 × (NDL − NOffs-DL) — 3GPP TS 36.101

5G NR-ARFCN

FREF = FREF-Offs + ΔFGlobal × (NREF − NREF-Offs) — 3GPP TS 38.104

LTE (E-UTRA) reference

BandDL (MHz)UL (MHz) DuplexDL EARFCN
B12110 – 21701920 – 1980FDD0 – 599
B21930 – 19901850 – 1910FDD600 – 1199
B31805 – 18801710 – 1785FDD1200 – 1949
B42110 – 21551710 – 1755FDD1950 – 2399
B5869 – 894824 – 849FDD2400 – 2649
B72620 – 26902500 – 2570FDD2750 – 3449
B8925 – 960880 – 915FDD3450 – 3799
B12729 – 746699 – 716FDD5010 – 5179
B13746 – 756777 – 787FDD5030 – 5129
B20791 – 821832 – 862FDD6150 – 6449
B251930 – 19951850 – 1915FDD8040 – 8689
B26859 – 894814 – 849FDD8690 – 9039
B28758 – 803703 – 748FDD9210 – 9659
B321452 – 1496—SDL9920 – 10359
B342010 – 20252010 – 2025TDD40240 – 40389
B382570 – 26202570 – 2620TDD37750 – 38249
B391880 – 19201880 – 1920TDD38250 – 38649
B402300 – 24002300 – 2400TDD38650 – 39649
B412496 – 26902496 – 2690TDD39650 – 41589
B423400 – 36003400 – 3600TDD41590 – 43589
B433600 – 38003600 – 3800TDD43590 – 45589
B662110 – 22001710 – 1780FDD66436 – 67335
B71617 – 652663 – 698FDD132400 – 132749

5G NR reference

BandFRDuplex DL (MHz)UL (MHz)
n1FR1FDD2110–21701920–1980
n2FR1FDD1930–19901850–1910
n3FR1FDD1805–18801710–1785
n5FR1FDD869–894824–849
n7FR1FDD2620–26902500–2570
n8FR1FDD925–960880–915
n12FR1FDD729–746699–716
n20FR1FDD791–821832–862
n25FR1FDD1930–19951850–1915
n28FR1FDD758–803703–748
n29FR1SDL717–728—
n34FR1TDD2010–20252010–2025
n38FR1TDD2570–26202570–2620
n39FR1TDD1880–19201880–1920
n40FR1TDD2300–24002300–2400
n41FR1TDD2496–26902496–2690
n48FR1TDD3550–37003550–3700
n50FR1TDD1432–15171432–1517
n66FR1FDD2110–22001710–1780
n70FR1FDD1995–20201695–1710
n71FR1FDD617–652663–698
n74FR1FDD1475–15181427–1470
n77FR1TDD3300–42003300–4200
n78FR1TDD3300–38003300–3800
n79FR1TDD4400–50004400–5000
n257FR2TDD26.5–29.5 GHz26.5–29.5 GHz
n258FR2TDD24.25–27.5 GHz24.25–27.5 GHz
n260FR2TDD37–40 GHz37–40 GHz
n261FR2TDD27.5–28.35 GHz27.5–28.35 GHz
Data is compiled from public regulator and operator sources and is indicative. Band-plan charts are proportional layouts unless marked as exact blocks. Always verify against the regulator's official publication before commercial use.