Radio size of MAD in LLAGNs. Here we take cases of ﹩{\dot{m}}_{0}=1\times 1{0}^{-4}﹩ (see light-green curves in the left panel for the SED) for illustration. Blue and red filled squares represent the radio size of MAD with ξ_pl,mad = 0 and ξ_pl,mad = 1% (cooling included), respectively. We emphasize that the radio size of LLAGNs at low frequency should be dominated by the jet component (if it exists).