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 : Everything Else
RETEVIS RT91 40W RF Power Amplifier Lightweight Portable Support Analog and Digital Two Way Radios