See underwater clearly and accurately with incredible high definition echoes. With a transmission rate that has been increased by up to 1.4 times (200m range), FCV-1900 ensures excellent target separation and clarity. Display up to four different frequencies together in a compact and easy way by connecting a required network fish finder. Since there is no need to install additional displays, this system is especially useful for small vessels. Display two different gain settings simultaneously for increased visibility in changing water conditions and when changing vessel speed.