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... (GC-3010II) Quick details 1.Display:LCD 2.Power: six 1.5-volt AA alkaline batteries. 3.Colors:Yellow, Black and Army Green F...

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... of lower frequency sound when detecting small metal, emit high audio tone is detected large metal objects. 2. Scope: to find the exact locati...

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...transmit signals of mobile rs, The repeater could amplify at Minimum 2W, and then a high-gain antenna to transmit to the Base Station. The a...