If you receive defective item, please kindly notify us within 14 days. The item "VHF 136-170MHZ FM RF Radio Power Amplifier for Rural Campus Broadcasting ot16" is in sale since Saturday, January 16, 2021. This item is in the category "Business & Industrial\Test, Measurement & Inspection\Signal Sources & Conditioning\RF & Microwave Amplifiers". The seller is "outstandingdeal" and is located in Shenzhen. This item can be shipped worldwide.