Garmin GNX 20 Marine Instrument w/Standard Display - 4" Communication | Antennas Box Dimensions: 8"H x 8"W

Box Dimensions: 8"H x 8"W x 14"L WT: 6 lbs

Power/Data Cable - Bare Wires

Frequencies Supported: Dual channel CHIRP: 25-250 kHz (transducer dependent)

Panoptix™ PS21

Garmin GNX 20 Marine Instrument w/Standard Display - 4" Communication | Antennas Box Dimensions: 8"H x 8"WGNX 20 Marine Instrument with Standard Display 4" Marine Instrucment with Standard 4" LCD Large, easy to read black digits and graphs on a white or color background provides high contrast and high visibility; choose from 7 customizable backlight colors Glass bonded display with anti glare lens avoids fogging Fully customizable user profiles for sail or power boating to display most important marine and vessel data Low power consumption (25 mA) with