Humminbird CHIRP Radar HB2124. 9 Horizontal and 20 Vertical Input Voltage - 12 or 24 VDC (Miniumum - 10.8 Volts Maximum - 31.2 Volts) Networking - Ethernet Maximum Range Scale - from 1/16 to 24 nautical miles Power Consumption - Transmit mode - 17W; Standby Mode - 7W; Sleep Mode - 2W Duplexer - Circulator Pulse Widths at 3 dB - 40 ns to 14.7s CHIRP Lengths - 400 ns to 20s CHIRP Bandwidth - Up to 32 MHz IF Bandwidth - 26 MHz Noise - Less than 4 dB Polarization - Horizontal Waterproofing - IPX6 Weight - 12.3 lbs (5.6 kg) Compatibility Networking HELIX models and all ONIX models Package Contents: Humminbird HB2124 CHIRP Radar Humminbird 750013-1: CHIRP Radar HB2124