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Band Number Nominal Centre Frequency Hz

Exact Centre Frequency Hz Passband Hz

1 1.25 1.26 1.12 - 1.41

2 1.6 1.58 1.41 - 1.78

3 2 2.00 1.78 - 2.24

4 2.5 2.51 2.24 - 2.82 5 3.15 3.16 2.82 - 3.55

6 4 3.98 3.55 - 4.47

7 5 5.01 4.47 - 5.62

8 6.3 6.31 5.62 - 7.08

9 8 7.94 7.08 - 8.91

10 10 10.0 8.91 - 11.2 11 12.5 12.59 11.2 - 14.1

12 16 15.85 14.1 - 17.8

13 20 19.95 17.8 - 22.4

14 25 25.12 22.4 - 28.2

15 31.5 31.62 28.2 - 35.5 16 40 39.81 35.5 - 44.7

17 50 50.12 44.7 - 56.2

18 63 63.10 56.2 - 70.8

19 80 79.43 70.8 - 89.1

20 100 100.00 89.1 - 112

21 125 125.89 112 - 141 22 160 158.49 141 - 178

23 200 199.53 178 - 224

24 250 251.19 224 - 282

25 315 316.23 282 - 355

26 400 398.11 355 - 447

27 500 501.19 447 - 562 28 630 630.96 562 - 708

29 800 794.33 708 - 891

30 1000 1000.0 891 - 1120

31 1250 1258.9 1120 - 1410

32 1600 1584.9 1410 - 1780 33 2000 1995.3 1780 - 2240

34 2500 2511.9 2240 - 2820

35 3150 3162.3 2820 - 3550

36 4000 3981.1 3550 - 4470

37 5000 5011.9 4470 - 5620

38 6300 6309.6 5620 - 7080 39 8000 7943.3 7080 - 8910

40 10000 10000.0 8910 - 11200

41 12500 12589.3 11200 - 14100

42 16000 15848.9 14100 - 17800

43 20000 19952.6 17800 - 22400

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