A circuit analog absorber with double hexagonal loops units was proposed. An equivalent circuit model was established according to the dual-frequency characteristics of the units. The equivalent period concept was proposed by analyzing the periodic distribution of the units, and the extraction of distribution electrical parameters was given. The structural parameters were simulated and analyzed with the proposed method, the simulated results were in agreement with the results given by HFSS software, and the accuracy was verified. Finally, a sample was fabricated and measured. The measured results show good broadband absorption in 1.9~8.9 GHz for normal incidence, and the accuracy of the proposed method is verified further.