A lighting device (1) is disclosed, which comprises a light guide (2) arranged to guide light. The light guide (2) may be constituted by or comprise an elongated light guide (2) having a central axis (3). The light guide (2) may comprise a core section (14) extending along the central axis (3) and being arranged to guide light. The light guide (2) may comprise a cladding section (15; 17, 18) which is at least in part surrounding the core section (14), is coupled to the core section (14) at an inner surface (16) of the cladding section (15; 17, 18), and is extending along the central axis (3). The lighting device (1) comprises at least one communication element (20) mechanically connected to the light guide (2). The at least one communication element (20) is arranged for wireless communication.