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Table 2
Definition of the ALMA bands.
| Band | Frequency range | Wavelength range |
| (GHz) | (mm) | |
|
|
||
| Band 1 | 31–45 | 6.66–9.67 |
| Band 2 | 67–90 | 3.33–4.47 |
| Band 3 | 84–116 | 2.58–3.56 |
| Band 4 | 125–163 | 1.84–2.40 |
| Band 5 | 162–211 | 1.42–1.85 |
| Band 6 | 211–275 | 1.09–1.42 |
| Band 7 | 275–373 | 0.80–1.09 |
| Band 8 | 385–500 | 0.60–0.78 |
| Band 9 | 602–720 | 0.42–0.50 |
| Band 10 | 787–950 | 0.32–0.38 |
Notes. The four marked in bold will be the main observing bands and the only ones offered for early science.
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