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GPS External Active Antenna

38*40mm GA-72 GPS External Active Antenna

GA-72
ROHS

Model No.

GA-72

Description

The active external patch antenna with circularly polarized radiation pattern features directional operation to be used in a navigation scenario, where the antenna always keep facing sky to receive satellite signals effectively.

Features

※Environmental Conditions

 
Operation Temperature

-30℃ to + 80℃

Storage Temperature -40℃ to + 100℃
Relative Humidity

40% to 95%

※Electrical Specifications

 
Operation Voltage Min: 2.5 V     Typ: 3.0 V     Max: 5.5V

Current Consumption

Typ: 11 mA   Max: 15mA  @ 3.0V

※Mechanical Specifications

 

Mounting

Magnet mount

Water Proof

Deep into water 50cm, 30 Min.
Shock 10msec. Half sine wave
Vibration

10~200Hz Log. Sweep 3.0G

sweep time: 15 Minutes, 3 Axes.
Cable Pulling Off Force

At room temperature Min 7Kg /10sec.

Apply 7Kg /10sec pulling force between the cable and the antenna unit,no visible damage shall appear on the cable and connector.

Bending Test

After bending 90° right and left for 1,000 cycles, no permanent damage were found.

Weight

105g Max.

Dimension

See Fig. 2

※Antenna

 
Frequency Range 1575.42 ± 1.023 MHz.
Bandwidth 15 MHz min.  ( Return loss –10 dB )
Gain

at Zenith : + 5.0 dBic Typ.

at 10° Elevation: -1.0 dBic Typ .

Mounted on the 70mm*70mm ground plane.

Polarization

RHCP

Axial Ratio

3.0dB Max.

Mounted on the 70mm*70mm ground plane.

※LNA 

 

Frequency Range

1575.42±1.023 MHz

Gain

28dB ±2dB ( + 25 ℃± 5℃)

Noise Figure

1.6dB Max. ( + 25 ℃ ± 5℃) @ 3.0V

Output Impedance

50Ω

※ TOTAL Specifications

 

RF Cable

RG-174 , ψ2.7 ± 0.2mm , Black

Cable Length:5M ± 5cm

RF Connector

MMCX (M) 180°

Frequency Range

1575.42 ± 1.023MHz

Gain

at Zenith : Typ 33 dBic – (cable loss)   Note:1

(mounted on the the 70mm*70m ground plane)

Output Impedance

50Ω

VSWR

2.0 Max