190-01499-02 GTX 3x5 TSO Installation ManualRev. 1 Page 1-7Table 1-4 Physical Characteristics - Remote Mount UnitsThe GTX 3x5 display is a sunlight readable LCD display.Characteristic SpecificationHorizontal mountHeight 1.68 inches (43 mm)Width 6.3 inches (160 mm)Length (unit, mount, and connector backshells) 9.92 inches (224 mm)Vertical mountHeight 6.55 inches (166 mm)Width 1.4 inches (35 mm)Length (unit, mount, and connector backshells) 12.1 inches (308 mm)GTX 335R weight (unit only) 1.71 lb (0.78 kg)GTX 335R weight (horizontal mount - mounting tray, connectorbackplate, and connectors) 2.53 lb (1.15 kg)GTX 335R weight (vertical mount - mounting tray, connectorbackplate, and connectors) 2.73 lb (1.24 kg)GTX 335R with GPS weight (unit only) 1.82 lb (0.83 kg)GTX 335R with GPS weight (horizontal mount - mounting tray,connector backplate, and connectors) 2.64 lb (1.20 kg)GTX 335R with GPS weight (vertical mount - mounting tray,connector backplate, and connectors) 2.84 lb (1.29 kg)GTX 345R weight (unit only) 1.97 lb (0.89 kg)GTX 345R weight (horizontal mount - mounting tray, connectorbackplate, and connectors) 2.79 lb (1.27 kg)GTX 345R weight (vertical mount - mounting tray, connectorbackplate, and connectors) 2.99 lb (1.37 kg)GTX 345R with GPS (unit only) 2.08 lb (0.94 kg)GTX 345R with GPS (horizontal mount - mounting tray, connectorbackplate, and connectors) 2.08 lb (0.94 kg)GTX 345R with GPS (vertical mount - mounting tray, connectorbackplate, and connectors) 3.10 lb (1.41 kg)Operating temperature range-4°F to 131°F (-20°C to + 55°C)For more details refer to theenvironmental qualification form atGarmin’s Dealer Resource Center.See section section 1.7.1 for formpart number.Altitude range 55,000 feetHumidity 95% non-condensingCooling External cooling not requiredAudio output 100 mW into 500 Ω