190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 20-2
20.3 Garmin Antennas
If using a Garmin GA 26C or GA 26XM, refer to the accompanying installation instructions
(190-00082-00 or 190-00522-03). For GA 35, GA 55/55A, or GA 56 or GA 57X antennas, refer to this
section and the outline and installation drawings in Section 20.8
.
Garmin recommends the antennas shown in Table 20-2. However, any equivalent GPS, GPS/WAAS, or
XM antenna that meets the specifications listed in Table 20-3 and Table 20-4
should work with the G3X™
avionics.
Table 20-1 Supported Non-Garmin Antennas
Model Mount Style
Conn
Type
Antenna
Type
Mfr
Antenna Part
Number
Garmin Order
Number
Comant
2480-201
VHF/GPS*
Screw Mount,
Teardrop
Footprint
BNC
TNC
VHF
COM,
GPS
Comant CI 2480-201 N/A
Comant
420-10 XM
only Antenna
Screw Mount,
ARINC 743
Footprint
TNC XM Comant CI 420-10 N/A
*The GPS antenna connector is TNC type. The VHF COM antenna connector is BNC type.
Table 20-2 Supported Garmin Antennas
Model Part Number Description Weight Mounting Configuration
GA 26X 010-13287-00
GA 26X GPS
Antenna Kit
NA
Flange, Magnetic, or Suction Cup
Mount (for in-cabin mounting)
GA 35*
(used with
GPS 20A
only)
013-00235-00
GPS/WAAS
Antenna
0.47 lbs
(0.21 kg)
Thru-mount (Tear-drop form factor)
GA 36*
(used with
GPS 20A
only)
013-00244-00
GPS/WAAS
Antenna
0.47 lbs
(0.21 kg)
Thru-mount (ARINC 743 style
mount)
GA 37*
(used with
GPS 20A
only)
013-00245-00
GPS/WAAS
+ SiriusXM
Antenna
0.50 lbs
(0.23 kg)
Thru-mount (ARINC 743 style
mount)
GA 55 011-01033-00 XM Antenna
0.25 lbs
(0.11 kg)
Stud mount (Tear-drop form factor)
GA 55A 011-01153-00 XM Antenna
0.43 lbs
(0.20 kg)
Thru-mount (ARINC 743 style
mount)
GA 56 011-00134-00 GPS Antenna
0.24 lbs
(0.11 kg)
Stud mount (Tear-drop form factor)
GA 57X 011-01032-10
GPS/XM
Antenna
0.47 lbs
(0.21 kg)
Thru-mount (ARINC 743 style
mount)
*For use with GPS 20A only, cannot be used with GDU 37X/4XX units