GTX 330 Installation Manual Page 1-5190-00207-02 Revision G1.6.2 Physical CharacteristicsSpecification CharacteristicBezel 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 aircraft panel torear of connector backshells)11.25 inches (286 mm)GTX 330/GTX 330D Unit Weight 3.4 lbs. (1.5 kg)GTX 330/GTX 330D Rack Weight(Installed with rack and connectors)4.2 lbs. (1.9 kg)1.7 Installation ApprovalThe conditions and tests required for TSO approval of this article are minimum performance standards. Itis the responsibility of those installing this article either on or within a specific type or class of aircraft todetermine that the aircraft installation conditions are within the TSO standards. TSO articles must haveseparate approval for installation in an aircraft. The article may be installed only if performed under14 CFR Part 43 or the applicable airworthiness requirements. For GTX 330 TSO compliance and STC,see Appendix A. For antenna TSO compliance, refer to antenna manufacturer’s literature.1.8 Aircraft Station Licensing RequirementsThe Telecommunications Act of 1996, effective February 8, 1996, provides the FCC discretion toeliminate radio station license requirements for aircraft and ships. The GTX 330 installation must complywith current transmitter licensing requirements. To find out the specific details on whether a particularinstallation is exempt from licensing, please visit the FCC web site http://wireless.fcc.gov/aviation.If an aircraft license is required, make application for a license on FCC form 404, Application for AircraftRadio Station License. The FCC also has a fax-on-demand service to provide forms by fax. TheGTX 330 owner accepts all responsibility for obtaining the proper licensing before using the transponder.CAUTIONThe UHF transmitter in this equipment is guaranteed to meet federal communicationscommission acceptance over the operating temperature range. Modifications notexpressly approved by Garmin could invalidate the license and make it unlawful tooperate the equipment.