Please use an antenna corresponding to the transmitting frequency, standing wave within 2.0, and withstand power above 400W. Do not touch the antenna in the transmitting state. Do not use in explosive environment gas station, natural gas, etc.
Please follow the national laws and regulations and the local radio management department to use. Usually it cost about 35USD-50USD. If you receive defective item, please kindly notify us within 14 days. The item "FM Power Amplifier RF Radio Frequency Amplifier VHF 136-170MHZ for Broadcasting" is in sale since Monday, August 31, 2020. This item is in the category "Handys & Kommunikation\Funktechnik\Amateurfunk\Amateurfunk-Verstärker".The seller is "panda201898" and is located in Shenzhen. This item can be shipped worldwide.