The ETM+ (extended thematic mapper) sensor is an eight band nadir-viewing, multi-spectral scanning radiometer providing high-resolution images of the earth, detecting visible, near-infrared, short wave and thermal infrared frequency bands.
Spectral and spatial characteristics of these bands are shown below.

Band no. 1
Spectral range .450 to .515 micrometres Ground resolution: 30 m
Band no. 2
Spectral range .525 to .605 micrometres Ground resolution: 30 m
Band no. 3
Spectral range .630 to .690 micrometres Ground resolution: 30 m
Band no. 4
Spectral range .775 to .900 micrometres Ground resolution: 30 m
Band no. 5
Spectral range 1.550 to 1.750 micrometres Ground resolution: 30 m
Band no. 6
Spectral range 10.40 to 12.50 micrometres Ground resolution: 60 m
Band no. 7
Spectral range 2.090 to 2.35 micrometres Ground resolution: 30 m
Band no. 8
Spectral range .520 to .900 micrometres Ground resolution: 15 m