1.0 SYSTEM
This antenna system consists of two functional blocks, the LNA portion 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 | Mounting | 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 | Noise Figure | 1.6 dB Max ( +25 °C ± 5°C) @3.0V |
4.4 | Output Impedance | 50Ω |
5.0 TOTAL SPECIFICATIONS (Through Antenna, LNA, Cable and Connector)
5.1 | RF Cable | RG174, ψ2.7±0.3mm, Black | |
Cable Length | 5M±5cm | ||
5.2 | RF Connector | SMA (M) | |
5.3 | Frequency Range | 1575.42 ± 1.023MHz | |
5.4 | Gain | At z enith : Typ 35 dBi – (cable loss) Note:1 | |
mounted on the the 70mm*70m ground plane | |||
5.5 | Output Impedance | 50Ω | |
5.6 | VSWR | 2.0 Max | |
Note 1: Cable Loss = Max.( –1.2dB / m)
