SI-TEX GPS Chart-Dual Frequency 600W Sonar System - 8 Color LCD w/Internal GPS Antenna C-MAP 4D Card [SVS-880CF+]GPS Chart Dual Frequency 600W Sonar System 8 Color LCD with Internal GPS Antenna & C MAP 4D Card The SI TEX SVS 880CF+ is a powerful big screen performer designed to fit every boat and budget. This compact chartplotter and chartplotter sonar system delivers the goods for any vessel, from center console skiffs to sailboats to light commercial boats. Differences between SVS 880CF & SVS 880CF+ The SVS 880CF+ has an updated Android processor and only uses