Coaxial resonator, nke a na-akpọkwa dielectric resonator, ụdị ọhụrụ nke resonator mere nke obere ọnwụ, elu dielectric mgbe nile ihe dị ka barium titanate na titanium dioxide. Ọ na-abụkarị akụkụ anọ, cylindrical, ma ọ bụ okirikiri. A na-eji ya na Band Pass Filter (BPF), Oscillator Controlled Voltage (VCO). A na-eji teknụzụ stamping akọrọ dị elu na teknụzụ nhazi dị elu iji nweta oge kwụsiri ike.