Product Description: Expand your fishing capability with this sonar link that connects your Matrix display with a SmartCast remote sensor. View fish, bottom, and structures on either a full or split screen. Operates up to 100 in any direction and measures depths down to 100. Compatible with all Matrix fishing systems. Comes with remote sonar link antenna and SmartCast remote sonar sensor with built-in battery and wet switch technology. Mounting hardware included.