Garmin Gps/Xm Antennas; Gps Antennas; Section 3 Garmin Gps/Xm Antennas; Table 3-2 Gps Antenna Minimum Requirements - Garmin GDU 37X Installation Manual

3 GARMIN GPS/XM ANTENNAS

For non-Garmin antennas, follow the manufacturer's installation instructions. If using a Garmin GA 26C
or GA 26XM, refer to the accompanying installation instructions (190-00082-00 or 190-00522-03). For
GA 55/55A, GA 56, or GA 57X antennas, refer to this section.
Garmin recommends the antennas shown in Table 3-1 and
XM antenna that meets the specifications listed in Table 3-2 and
GDU 37X.

3.1 GPS Antennas

Model Part Number
GA 26C 011-00149-04
GA 56 011-00134-00
GA 57X 011-01032-10
Characteristics
Frequency Range
Gain
Noise Figure
Nominal Output Impedance
Supply Voltage
Supply Current
Output Connector
190-01054-01
Rev. D
Table 3-1
Description
GPS Antenna
GPS Antenna
GPS/XM
Antenna

Table 3-2 GPS Antenna Minimum Requirements

Table 3-3. However, any equivalent GPS or
Table 3-4
GPS Antennas
Weight Mounting Configuration
Flange, Magnetic, or Suction Cup Mount
NA
(for in-cabin mounting)
0.24 lbs
Stud mount, (Tear-drop form factor)
(0.11 kg)
0.47 lbs
Thru-mount (ARINC 743 style mount)
(0.21 kg)
Specifications
1565 to 1585 MHz
16 to 25 dB typical, 40dB max.
4.5 to 5.5 VDC
up to 50 mA
GDU 37X Installation Manual
should work with the
<4.00 dB
50 ohms
BNC
Page 3-1