SPK-GPS-CMA-31B GPS Antenna module , With Low Noise Amplifier

With Low Noise Amplifier

1.0 CONFIGURATION

1.1 RF Cable RG174 , ψ2.7 ± 0.1mm , Black
Cable Length 填入客戶承認的長度 m ± 5cm
1.2 RF Connector 填入客戶承認的接頭形式


2.0 SYSTEM
This antenna system consists of two functional blocks, the LNA portion and the patch antenna.

3.0 GENERAL
3.1 ENVIRONMENTAL CONDITIONS

3.1.1 Operation Temperature -30℃ to + 80℃
3.1.2 Storage Temperatur -40℃ to + 100℃
3.1.3 Relative Humidity 40% to 95%


3.2 ELECTRICAL SPECIFICATIONS

3.2.1 Input Voltage Min:2.5V Max:5.5V

3.2.2
Power Consumption At 3.0 V Typ: 13mA. Max: 16mA.
At 5.0 V Typ: 18mA. Max: 22mA.


3.3 MECHANICAL SPECIFICATIONS

3.3.1 Mounting Magnet mount.

3.3.2 Horizontal Pulling Force of
Magnet
1.5 Kg Min.
3.3.3 Water Proof Deep into water 50cm, 30 Min.
3.3.4 Shock 10msec. Half sine wave.

3.3.5
Vibration 10~200Hz Log. Sweep 3.0G
sweep time: 15 Minutes, 3 Axes.

3.3.6
Magnet Threshold The antenna must stay atlached to the vehicle, at
a speed of 180 km/h.



3.3.7


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.

3.3.8
Bending Test After bending 90 right and left for 1,000 cycles,
no permanent damage were found.
3.3.9 Weight 105g Max.
3.3.10 Dimension See Fig. 2

4.0 ANTENNA

4.1 Frequency Range 1575.42 ± 1.023 MHz.

4.2
Gain 90° : 2.0 dBi Min.
20° : -5.0 dBi Min.
Mounted on the 60mm*60mm ground plane.
4.3 Polarization RHCP

4.4
Axial Ratio 90° : Max 3.0dB
Mounted on the 60mm*60mm ground plane.


5.0 LNA

5.1 Frequency Range 1575.42 ± 1.023 MHz
5.2 Gain 28 ± 4.5dB ( + 25 ℃± 5℃)

5.3
Noise Figure 1.5 dB Max. ( +25 ℃ ± 5℃)
2.2 dB Max. ( +85 ℃)



5.4


Out Band Rejection fo = 1575.42MHz
fo ± 20 MHz 7dB MIN fo ± 30 MHz 12dB MIN fo ± 50 MHz 20dB MIN fo ± 100 MHz 30dB MIN
5.5 Output Impedance 50Ω
5.6 Output VSWR 2.0 Max



6.0 TOTAL SPECIFICATIONS (Through Antenna, LNA, Cable and Connector)

6.1 Frequency Range 1575.42 ± 1.023MHz
6.2 Gain At 90° 30 ± 4.5dBi – (cable loss) Note:1
mounted on the the 60mm*60m ground plane
6.3 Output Impedance 50Ω
6.4 VSWR 2.0 Max
Note 1: Cable Loss = Max.( –1.2dB / m