Description
Compact & Sensitive GPS antenna with Excellent Signal Amplification for Mobile Applications
GA-38 is the integration of a high performance GPS patch antenna and a state-of-the-art low noise amplifier into a very low profile/ extremely compact/ fully waterproof enclosure which, when connected to a GPS receiver with 2.5~5.5V DC antenna power, provides excellent signal amplification and out-band filtering & rejection, provide 3V or 5V input Voltage is available.
FEATURES:
- Compact Construction/ Low Profile/
- Fully Waterproof
- Magnet and Screw Mount Base
- Excellent Temperature Stability
- Low Noise Figure
- High Sensitivity
APPLICATIONS:
- Automobile GPS
Bluetooth Receiver
- Car Tracking Navigation System
- AVL / Fleet Management Systems
- External Antenna for Handheld GPS
- External Antenna for PDA Navigator
SPECIFICATIONS:
Physical Condition |
Construction |
Polycarbonate- radome at top, die-cast shell at bottom/ rubber gasket for water seal in between |
Dimension |
40.5mm (L) x 38mm (W) x 12.3mm (H) |
Weight |
50 grams (excluding cable & connector) |
Standard Mounting |
Magnet mount with two magnets & screw mount |
Optional Mounting Plate |
customized metal sheet |
Environmental Conditions |
Operation temperature |
-40°C to +85°C |
Storage temperature |
-40°C to +100°C |
Relative Humidity |
95% non-condensing |
Cable & Connector |
Cable |
5 meter RG174/U (standard) cable, other length available |
Pulling Strength |
6 Kg @ 5sec with molded plastics on connector end for strain relief |
Connector Available |
BNC,TNC,FME (to be adapted), GT5, MCX (OSX), SMA, SMB or SMC in straight or right angle |
Optional Adapters |
Universal Connector Adapter (FME to TNC/BNC/SMA/SMB/MCX) |
Antenna Element |
Center Frequency |
1575.42 MHz +/-1.023MHz |
Polarization |
R.H.C.P. (Right Handed Circular Polarization) |
Absolute Gain @ Zenith |
3 dBic Typ. |
Gain |
90° : 2.0dBi min.
20° : -5.0dBi min.
Mounted on the 60mm x 60mm square ground plane |
Axial Ratio |
90° : 3 .0dB max. Mounted on the 60mm x 60mm square ground plane |
Low Noise Amplifier |
Center Frequency |
1575.42 MHz +/- 1.023 MHz |
Gain |
28+/-4.5dB |
Bandwidth |
10 MHz min. @S11λ-10 dB |
Noise Figure |
1.5dB Typ. |
Filter |
25dB @ f° ± 50MHz
35dB @ f° ± 100MHz
* f° =1575.42MHz |
Supply Voltages |
2.5 ~ 5.5V DC |
Current Consumption |
2.5V : 6.6mA Typ.
3V: 8.6mA Typ.
4V: 12.6mA Typ.
5V: 16.6mA Typ. |
Output Impedance |
50 ohm |
Output VSWR |
2.0 max. |
Overall Performance (Antenna Element, LNA & Cable) |
Frequency range |
1575.42 +/- 1.023 MHz |
Gain |
At 90° 30 ± 4.5dBi-(cable loss) Note:1
Mounted on the 60mm x 60mm square ground plane |
Output Impedance |
50 ohm |
VSWR |
2.0 max. |