Roof Mount GPS active antenna
GAA-S4 Active GPS Antenna  


1.0 CONFIGURATION
1.1
 RF Cable RG174, O2.5 ¡Ó 0.05mm Double Shield, Black
Cable Length 3m ¡Ó 5ccm
1.2
 RF Connector MCX 90¢X(Male)
 

2.0 GENERAL
2.1 ENVIRONMENTAL CONDITIONS
2.1.1
 Operation Temperature -30¢X to +80¢X
2.1.2
 Storage Temperature -40¢X to +100¢X
2.1.3
 Relative Humidity 40% to 95%
 
2.2 ELECTRICAL SPECIFICATIONS
2.2.1
 Input Voltage 3V~5V
2.2.2
 Power Consumption At 3.0 V Typ: 13mA. Max: 16mA.
At 5.0 V Typ: 18mA. Max:226mA.
 
2.3 MECHANICAL SPECIFICATIONS
2.3.1
 Mounting Roof Mount
2.3.2

Horizontal Pulling Force of Magnet

1.5 Kg Min

2.3.3
 Waterproof

100% waterproof

2.3.4
 Shock

10msec half sine wave

2.3.5

Magnet Threshold

The antenna must stay attached to the vehicle at a speed of 180km/h

2.3.6

Housing Material

ABS (balck)

2.3.7

Weight

88g

2.3.8

Dimention

See OUTLAY

 
3.0 ANTENNA
3.1
 Frequency Range 1575.42 ¡Ó 1.023 MHz
3.2

Gain

90¢X : 2.0 dBi Min.
20¢X : -5.0 dBi Min.
Mounted on the 60mm*60mm ground plane

3.3

Polarization

RHCP

3.4

Axial Ratio

90¢X : Max 3.0dB
Mounted on the 60mm*60mm ground plane

 
4.0 LNA
4.1
 Frequency Range 1575.42 ¡Ó 1.023 MHz
4.2

Gain

28 ¡Ó 4.5dB (+25dB ¡Ó 5dB)

4.3

Noise Figure

1.5 dB Max. (+25dB ¡Ó 5dB)
2.2 dB Max. (+85dB)

4.4

Out Band Rejection

fo = 1575.42MHz
fo ¡Ó 20 MHz 7dB MIN
fo ¡Ó 30 MHz 12dB MIN
fo ¡Ó 50 MHz 20dB MIN
fo ¡Ó 100 MHz 30dB MIN

4.5

Output Impedance

50£[

4.6

Output VSWR

2.0 Max

 

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