| MA-25轻巧,迷人的新造型天线，优异的GPS讯号接收性能，可以依客人需求指定各种不同接头，连结十分方便。
您常感觉到GPS接收器，放车内常会收讯不好吗？ 推荐您MA-25专用车用天线来加强GPS讯号的接收，讯号变强了、死角更少。
只要将天线接上，放在车外或接收良好的地方马上让你的GPS 轻松抓到卫星讯号，立刻定位完成喔!
Mobile GPS Antenna with LNA
MODEL: MA-25
Compact & Sensitive GPS antenna with Excellent Signal Amplification
for Mobile Applications
Request
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MA-25 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:
1.Compact Construction/ Low Profile/
2.Fully Waterproof
3.Magnet and Screw Mount Base
4.Excellent Temperature Stability
5.Low Noise Figure
6.High Sensitivity
APPLICATIONS:
1. Automobile GPS
2. Bluetooth Receiver
3. Car Tracking Navigation System
4. AVL / Fleet Management Systems
5. External Antenna for Handheld GPS
6. 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 |
46mm (L) x 38mm (W) x 12.5mm (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 |
-40oC to +85oC |
|
Storage temperature |
-40oC to +100oC |
|
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) |
|
Gain @ Zenith |
5.0 dB Typ. |
|
Gain @ 10 o |
-1 dB Typ. |
|
Axial Ratio |
90o: 3 .0dB max.
Mounted on the 60mm x 60mm square ground plane |
|
Bandwidth |
10 MHz min. @S11£-10 dB |
|
Low Noise Amplifier |
|
Center Frequency |
1575.42 MHz +/- 1.023 MHz |
|
Gain |
28 dB Typ. |
|
Noise Figure |
1.5dB Typ. |
|
Filter |
20dB 25dB @ fo+/- 50MHz
30dB 35dB @ fo+/- 100MHz
* fo=1575.42MHz |
|
Supply Voltages |
2.5 ~5.5V DC |
|
Current Consumption |
2.5V : 6.6mA Typ.
3.0V: 8.6mA Typ.
4.0V: 12.6mA Typ.
5.0V: 16.6mA Typ. |
|
Output Impedance |
50 ohm |
|
|
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