ULs at a 95% CL on the gamma-ray luminosity and energy. Top: ULs on the gamma-ray luminosity as a function of radio luminosity. Bottom: the ULs on the emitted gamma-ray energy as a function of radio energy. The FRB events reported are those with available information on their radio flux density and with estimated gamma-ray flux (sufficient gamma-ray exposure). Gamma-ray upper limits from the analysis over 10 s (10 000 s) are plotted in blue (red). FRB sources with known host galaxy are outlined in black.