The NaviSound 215 Sounder is a portable echosounder that won’t cost you a fortune. Robust and fast to set up on almost any vessel, the NaviSound 215 is the ideal choice for highly mobile operations.
Premium features include a built-in thermal paper recorder, support for standard survey frequencies and optional support for Side Looking Sonar (SLS).

You can see more detailed information in the NaviSound 215 fact sheet