Liaoning Risheng Electronic Technology Co., Ltd is a transmitter manufacturer, we have a professional r & D and production team.We focus on the manufacture of transmitter and transmitter peripheral equipment,our main products are 7W-10KW transmitter, antenna, cable. and We have multiple certifications of FCC and CE and other certificates.You can enjoy one-stop service here. We offer free shipping for most countries.Our warranty is for five years.At RS RADIO, you can enjoy shopping to your heart's content