190-01499-02 GTX 3x5 TSO Installation ManualRev. 1 Page 1-61.7 General Specifications1.7.1 EQFIt is the responsibility of the installing agency to obtain the latest revision of the GTX 3x5 EQF. To obtaina copy of the EQF, see Garmin’s Dealer Resource Center.Table 1-3 Physical Characteristics - Panel Mount UnitsCharacteristic SpecificationBezel height 1.65 inches (42 mm)Bezel width 6.25 inches (159 mm)Rack height (dimple to dimple) 1.68 inches (43 mm)Rack width 6.30 inches (160 mm)Depth behind panel with connectors (measured from face of aircraftpanel to rear of connector backshells) 10.07 inches (256 mm)GTX 325 weight (unit only) 2.01 lb (0.91 kg)GTX 335 weight (unit only) 2.01 lb (0.91 kg)GTX 335 with GPS weight (unit only) 2.12 lb (0.96 kg)GTX 345 weight (unit only) 2.27 lb (1.01 kg)GTX 345 with GPS weight (unit only) 2.38 lb (1.08 kg)GTX 325 installed with rack and connectors 2.83 lb (1.28 kg)GTX 335 installed with rack and connectors 2.83 lb (1.28 kg)GTX 335 with GPS installed with rack and connectors 2.94 lb (1.33 kg)GTX 345 installed with rack and connectors 3.09 lb (1.40 kg)GTX 345 with GPS installed with rack and connectors 3.20 lb (1.45 kg)Operating temperature range-4°F to 131°F (-20°C to + 55°C)For more details refer to theenvironmental qualification forms atGarmin’s Dealer Resource Center.See appendix A for form partnumbers.Altitude range 55,000 feetHumidity 95% non-condensingCooling External cooling not requiredAudio output 100 mW into 500 Ω