General Information1-10 560-1049-00 Rev B GDL 90 Installation Manualdemonstrate that the GDL 90 is compatible with existing FCC regulations in 47 CFR2 and 47CFR87.• Use of UAT for government programs, such as Capstone Phase 1 and Phase 2 in Alaska, hasbeen fully coordinated with NTIA, and is authorized. In December of 2000, the RTCA createdWorking Group 5 of Special Committee 186, to develop and approve the Minimum OperationalPerformance Standards for the UAT data link. The effort was completed in June 2002. As partof this effort, the NTIA has granted Stage 4 spectrum certification for use of the UAT data linkusing a radio frequency of 978 MHz.1.4.4 GDL 90 STC AUTHORIZATIONRefer to the GDL 90 Product CD 140-0063-xx for data regarding GDL 90 STC authorization.1.5 UNPACKING THE EQUIPMENTCarefully unpack the equipment. Visually inspect the package contents for any evidence of shippingdamage. Retain all shipping containers and packaging material in case reshipment is necessary.1.6 PACKAGE CONTENTSAs shipped from the Garmin AT factory, the GDL 90 package includes most necessary items forinstallation other than supplies normally available at the installation shop, such as wire and cable ties,circuit breakers, and required input and output equipment. The items included in the package are listed inTable 1-2 and Table 1-3. In addition, Table 1-4 lists optional parts that may be needed for non-standardinstallations.Table 1-2. Package ContentsPart # Qty Description424-6081-1xx 1 GDL 90 Installation Kit (see Table 1-3 for detail)430-6081-1xx-xxx 1 GDL 90 UAT Data Link Sensor140-0063-xx 1 GDL 90 Product CD590-1104 1 A33 GPS Antenna590-0051 2 UAT Blade Antenna, passive, TNCTable 1-3. Installation Kit Contents (PN 424-6081-100)Part # Qty Description162-0043 3 Connector, coax, RA, PNL MNT265-0007 3 Retainer Ring, ext,7/16 shaft240-0008 3 Washer, 0.446 ID 0.56 OD162-1574 1 Receptacle DSUB 9-pin162-1575 1 Receptacle DSUB 15-pin162-1577 1 Receptacle DSUB 37-pin162-2080 3 Connector, coax, RA, plug clamp, TNC202-0002 8 Cable tie224-0404 4 Screw, 4-40 x 1/4 SS flat head Phillips 82 deg.245-0027 25 Crimp contact, DSUB, 20 to 24 AWG wire310-0461-00 1 Cover Mounting Tray GDL 90310-0462-00 1 Mounting Tray GDL 90430-6200-000 1 Aircraft Personality Module (APM)660-0014 50 Cable, coax RG400 dbl shld 50-ohm (feet)