SI-TEX CVS-126 Dual Frequency Color Echo Sounder [CVS-126]CVS 126 Dual Frequency Color LCD Echo Sounder The SI TEX CVS 126 Dual Frequency (50 200kHz) Echo Sounder features a digital signal processor (DSP) for a clearer image that enhances fish targets in shallow and deep depths, plus auto function for the most reliable setting and best performance. Features: Digital 5. 7" Dual Frequency Color LCD Fishfinder a multi conductor cable is supplied, used for power, and data output and input DSP technology for a