Specifications Weight: 600 g Dimensions: L 135 x W 128 x H 50 mm (excl. connectors & bracket) Mounting: To flat surface with supplied trunnion mount Connections: Power: 2-core captive cable, 1 m Antenna: SO239 (VHF) Connector GPS Antenna: TNC Connector Data In/Out: 9-pin D-sub Connector NMEA 2000: 5-pin 2x Data; 2x 12 V dc Power; 1x Shield USB: USB 2.0 Type B Connector Construction: Extruded aluminium alloy Finish: Black paint Power Supply: 12 V dc (9.6 - 15.6 V dc); 500 mA; 4 W nominal Peak Power: 2 A Data Output: NMEA 0183: 38,400 and 4,800 Baud VHF Receiver: Transmitter x1; Receiver x2 VHF Antenna Impedance: 50 Ω GPS Antenna Impedance: 50 Ω Frequency Range: 156.025 – 162.025 MHz in 25 kHz steps Channel Bandwidth: 25 kHz Channel Steps: 25 kHz Display: Discrete Indicator LEDs Indicators: On, TX, RX, Status, TX Timeout, Error, TX Off