Humminbird XPTH-9-HW-MSI-T MEGA SI+/DI+ Dual Spectrum CHIRP Plastic Thru-Hull Transducer w/Temp Communication have recommended a dedicated antenna

have recommended a dedicated antenna for a receiver or transponder

10 memory channels

The revolutionary design feature of the i4 is that it has the intelligent built-in HD and TriSat modules in its control unit

or watch and record all fishing action from the helm

Power Consumption: 230mA stand by / 5

Humminbird XPTH-9-HW-MSI-T MEGA SI+/DI+ Dual Spectrum CHIRP Plastic Thru-Hull Transducer w/Temp Communication have recommended a dedicated antennaXPTH 9 HW MSI T MEGA SI+ DI+ Dual Spectrum CHIRP Plastic Thru Hull Transducer with Temp MEGA Side Imaging+ Plastic Thru Hull Transducer supports MEGA Imaging 800kHz 455kHz and Dual Spectrum CHIRP 2D Sonar with a CHIRP range of 150 220kHz. Includes built in temperature sensor, rugged composite design and 30 cable. Features: This accessory is compatible with the following Humminbird products: HELIX 8 CHIRP MEGA SI+ GPS G3N, HELIX 9 CHIRP MEGA SI+ GPS