1.0 SYSTEM
This antenna system consists of two functional blocks, the LNAportion and the patch antenna.
2.0 GENERAL
2.1 ENVIRONMENTAL CONDITIONS
|
2.1.1 |
Operation Temperature |
-30°C to + 80°C |
|
2.1.2 |
Storage Temperatur |
-40°C to + 100°C |
|
2.1.3 |
Relative Humidity |
40% to 95% |
2.2 ELECTRICAL SPECIFICATIONS
|
2.2.1 |
Input Voltage |
Min : 2.5V Max : 5.5V |
|
|
2.2.2 |
Power Consumption |
At 3.0V |
Typ: 13mA. Max:16mA. |
At 5.0V |
Typ : 18mA. Max: 22mA. |
||
2.3 MECHANICAL SPECIFICATIONS
|
2.3.1 |
1.1Mounting |
Magnet mount. |
|
2.3.2 |
Horizontal Pulling Force of Magnet |
1.5 Kg Min. |
|
2.3.3 |
Water Proof |
Deep into water 50cm, 30 Min. |
|
2.3.4 |
Shock |
10msec. Half sine wave. |
|
2.3.5 |
Vibration |
10~200Hz Log. Sweep 3.0G sweep time: 15 Minutes, 3 Axes. |
|
2.3.6 |
Magnet Threshold |
The antenna must stay atlached to the vehicle, at a speed of 180 km/h. |
|
2.3.7 |
Cable Pulling Off Force |
1.2Mi 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. |
|
2.3.8 |
Bending Test |
After bending 90° right and left for 1,000 cycles, no permanent damage were found. |
|
2.3.9 |
Weight |
105g Max. |
|
2.3.10 |
Dimension |
See Fig. 2 |
3.0 ANTENNA
|
3.1 |
Frequency Range |
1575.42 ± 1.023 MHz. |
|
3.2 |
Bandwidth |
15 MHz min. ( Return loss –10 dB ) |
|
3.3 |
Gain |
at 90°: 2.0 dBi Min. Mounted on the 60mm*60mm ground plane. |
|
3.4 |
Polarization |
RHCP |
|
3.5 |
Axial Ratio |
3.0dB Max. Mounted on the 70mm*70mm ground plane. |
4.0 LNA
|
4.1 |
Frequency Range |
1575.42 ± 1.023 MHz |
|
4.2 |
Gain |
28dB Min. 30dB Typ. ( + 25 °C± 5°C) |
|
4.3 |
Nois |
