# 1.4.7 Intermodulation

The ***intermodulation interference***, i.e. the power of intermodulation products, reduced by the intermodulation attenuation function of the <span data-highlighted="true" data-vc="highlighted-text"><span class="_kqswh2mm"><span class="_5pioz8co _189e1dm9 _1il9buyh _19lc184f _d0altlke" data-testid="definition-highlighter">VLR</span></span></span> can be used in interference calculations. See [ANNEX 5](https://ecowiki.atlassian.net/wiki/spaces/SH/pages/494649/A5+iRSS+calculation#A5iRSScalculation-A5 "https://ecowiki.atlassian.net/wiki/spaces/SH/pages/494649/A5+iRSS+calculation#A5iRSScalculation-A5"): for further details.