S3100 Sonar Module. Brings Active Imaging HD support to HDS LIVE, HDS Carbon and Elite FS displays. Delivers the highest resolution images of fish and structure with high-frequency (up to 1 Megahertz) SideScan/DownScan Imaging. Enables FishReveal SideScan for HDS PRO, HDS LIVE and Elite FS displays. Outstanding fish-finding and bottom tracking capability with two, fully independent 1kW sonar channels. Compatible with wide-angle transducers for greater coverage.