Electroneutral transporter of the plasma membrane mediating the cellular uptake of the divalent metal cations zinc, manganese and iron that are important for tissue homeostasis, metabolism, development and immunity (By similarity). Functions as an energy-dependent symporter, transporting through the membranes an electroneutral complex composed of a divalent metal cation and two bicarbonate anions. Beside these endogenous cellular substrates, can also import cadmium a non-essential metal which is cytotoxic and carcinogenic (By similarity). 2 hydrogencarbonate(out) + Zn(2+)(out) = 2 hydrogencarbonate(in) + Zn(2+)(in) 2 hydrogencarbonate(out) + Mn(2+)(out) = 2 hydrogencarbonate(in) + Mn(2+)(in) Fe(2+)(out) + 2 hydrogencarbonate(out) = Fe(2+)(in) + 2 hydrogencarbonate(in) Cd(2+)(out) + 2 hydrogencarbonate(out) = Cd(2+)(in) + 2 hydrogencarbonate(in) Homotrimer. Belongs to the ZIP transporter (TC 2.A.5) family.