A shisha device (50) for heating an aerosol-forming substrate (92) to generate an aerosol, an aerosol-generating article (90) for a shisha system, and a shisha system comprising a shisha device (50) and an aerosol-generating article (90), the shisha device (50) comprising: a liquid cavity (54) configured to contain a volume of liquid, the liquid cavity (54) having a head space outlet (60); an article cavity (14) configured to receive an aerosol-forming substrate (92), the article cavity (14) being in fluid communication with the liquid cavity (54); and an electromagnetic field generator (11) configured to generate a radio frequency (RF) electromagnetic field in the article cavity (14).
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