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Wireless Portable PA System Pyle Pro PWMA860I 500W VHF

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P.A.Labs VHF 500 watts Linear Amplifier with Power and SWR Meter

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VHF 144-148 MHz 500W power amplifier for PH0TV

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VHF power amplifier 500W MRF300 NXP 144-148 MHz for UA4LA

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