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Amazon.com: BTECH AMP-V25 Amplifier for VHF (136-174MHz), 20-40W Output (2-6W Input), Analog and Digital Modes, Compatible with All Handheld Radios: BTECH, BaoFeng, Kenwood, Yaesu, ICOM, Motorola
50w - 300w Vhf Fm Rf Power Amplifier Fm 87-108mhz Vhf 136-170mhz Campus Radio / Rural Campus Broadcasting - Earphone Accessories - AliExpress