4G LTE EARFCN calculator

This Page provides information about 4G LTE EARFCN Calculator. Calculator is based on 3GPP TS 36.101 Release 15 specification.

It will help you to convert the number of the 4G LTE EARFCN frequency channel to the 4G LTE frequency

The formula for 4G LTE EARFCN is described in 3GPP TS 36.101 chapter 5.7.3.

4G Frequency Formula LTE EARFCN

Frequency is selected from 3GPP TS 36.101 Table 5.7.3-1

E-UTRA Operating

 

 

Band

DownlinkUplink
FDL_low (MHz)NOffs-DLRange of NDLFUL_low (MHz)NOffs-ULRange of NUL
1211000 – 59919201800018000 – 18599
21930600600 – 119918501860018600 – 19199
3180512001200 – 194917101920019200 – 19949
4211019501950 – 239917101995019950 – 20399
586924002400 – 26498242040020400 – 20649
687526502650 – 27498302065020650 – 20749
7262027502750 – 344925002075020750 – 21449
892534503450 – 37998802145021450 – 21799
91844.938003800 – 41491749.92180021800 – 22149
10211041504150 – 474917102215022150 – 22749
111475.947504750 – 49491427.92275022750 – 22949
1272950105010 – 51796992301023010 – 23179
1374651805180 – 52797772318023180 – 23279
1475852805280 – 53797882328023280 – 23379
      
1773457305730 – 58497042373023730 – 23849
1886058505850 – 59998152385023850 – 23999
1987560006000 – 61498302400024000 – 24149
2079161506150 – 64498322415024150 – 24449
211495.964506450 – 65991447.92445024450 – 24599
22351066006600 – 739934102460024600 – 25399
23218075007500 – 769920002550025500 – 25699
24152577007700 – 80391626.52570025700 – 26039
25193080408040 – 868918502604026040 – 26689
2685986908690 – 90398142669026690 – 27039
2785290409040 – 92098072704027040 – 27209
2875892109210 – 96597032721027210 – 27659
29271796609660 – 9769N/A
30235097709770 – 986923052766027660 – 27759
31462.598709870 – 9919452.52776027760 – 27809
322145299209920 – 10359N/A
3319003600036000 – 3619919003600036000 – 36199
3420103620036200 – 3634920103620036200 – 36349
3518503635036350 – 3694918503635036350 – 36949
3619303695036950 – 3754919303695036950 – 37549
3719103755037550 – 3774919103755037550 – 37749
3825703775037750 – 3824925703775037750 – 38249
3918803825038250 – 3864918803825038250 – 38649
4023003865038650 – 3964923003865038650 – 39649
4124963965039650 –4158924963965039650 –41589
4234004159041590 – 4358934004159041590 – 43589
4336004359043590 – 4558936004359043590 – 45589
447034559045590 – 465897034559045590 – 46589
4514474659046590 – 4678914474659046590 – 46789
4651504679046790 – 5453951504679046790 – 54539
4758555454054540 – 5523958555454054540 – 55239
4835505524055240 – 5673935505524055240 – 56739
4935505674056740 – 5823935505674056740 – 58239
5014325824058240 – 5908914325824058240 – 59089
5114275909059090 – 5913914275909059090 – 59139
5233005914059140 – 6013933005914059140 – 60139
      
64Reserved
6521106553665536 – 664351920131072131072 – 131971
66521106643666436 – 673351710131972131972 – 132671
6727386733667336 – 67535N/A
687536753667536 – 67835698132672132672 – 132971
69225706783667836 – 68335N/A
70619956833668336 – 685851695132972132972 – 133121
716176858668586 – 68935663133122133122 – 133471
724616893668936 – 68985451133472133472 – 133521
734606898668986 – 69035450133522133522 – 133571
7414756903669036 – 694651427133572133572 – 134001
75214326946669466 – 70315N/A
76214277031670316 – 70365N/A
857287036670366 – 70545698134002134002 – 134181
NOTE 1:   The channel numbers that designate carrier frequencies so close to the operating band edges that the carrier extends beyond the operating band edge shall not be used. This implies that the first 7, 15, 25, 50, 75 and 100 channel numbers at the lower operating band edge and the last 6, 14, 24, 49, 74 and 99 channel numbers at the upper operating band edge shall not be used for channel bandwidths of 1.4, 3, 5, 10, 15 and 20 MHz respectively.

 

 

NOTE 2:   Restricted to E-UTRA operation when carrier aggregation is configured.

NOTE 3:   For ProSe and V2X the corresponding UL channel number are also specified for the DL for the associated ProSe/V2X operating bands i.e. ProSe_FUL = FUL and ProSe_FDL = FUL; V2X_FUL = FDL and V2X_FDL = FUL.

NOTE 4:   Requirements for uplink operations are not specified in this version of the specification.

NOTE 5:   The range 2180-2200 MHz of the DL operating band  is restricted to E-UTRA operation when carrier aggregation is configured.

NOTE 6:   The range 2010-2020 MHz of the DL operating band is restricted to E-UTRA operation when carrier aggregation is configured and TX-RX separation is 300 MHz The range 2005-2020 MHz of the DL operating band is restricted to E-UTRA operation when carrier aggregation is configured and TX-RX separation is 295 MHz.

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Comments 2
  • 36.101: 5.7.3 Carrier frequency and EARFCN

    The relation between EARFCN and the carrier frequency in MHz for the downlink is given by the following equation, where FDL_low and NOffs-DL are given in Table 5.7.3-1 and NDL is the downlink EARFCN.
    FDL = FDL_low + 0.1(NDL – NOffs-DL)
    The relation between EARFCN and the carrier frequency in MHz for the uplink is given by the following equation where FUL_low and NOffs-UL are given in Table 5.7.3-1 and NUL is the uplink EARFCN.
    FUL = FUL_low + 0.1(NUL – NOffs-UL)

    But you calculation only use the NDL to calculation FDL and FUL.
    Can you tell me the reason?

    I mean that the two equations is independent.

    • Dear, Maxwell

      If you check 3gpp 36.101 table 5.7.3-1 (page 126)
      You can see that NOffs-DL and NOffs-UL is dependent. (it’s not obvious at all)
      For Band 1-28: NOffs-UL = NOffs-DL+18000
      For Band 30-31: NOffs-UL = NOffs-DL+17890
      For Band 33-52: NOffs-UL = NOffs-DL
      For Band 65-66,70-74: NOffs-UL = NOffs-DL+65536
      For Band 68: NOffs-UL = NOffs-DL+65136
      For Band 85: NOffs-UL = NOffs-DL+65636
      ….

      If you know EARFCN DL then you know EARFCN UL…
      then you know frequency

      Regards

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