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Radio Frequency (RF) repeater is a wireless device which transmits signal from base transceiver station to mobile station. Local RF repeater is operating only in one frequency band, whereas international RF repeater is operating in several frequency bands. For this reason, quality inspection for international RF repeater is complex and its cost is also high compared with local RF repeater. To overcome this difficulty, we propose an algorithm for the quality inspection of the international RF repeater. The proposed method is based on multiple linear regression analysis and ensures the quality of the whole bands by using only few metrology data. We build prediction models for the whole bands of RF repeater by using proposed method. In this procedure, we suggest a linear programming model to resolve  multicollinearity issues which are common in quality inspection for RF repeater. We ensure the utility of the proposed method through some case studies.