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MA-25 Mobile GPS Active Antenna with LNA


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MA-25 Mobile GPS Antenna with LNA
Compact & Sensitive GPS antenna with Excellent Signal Amplification for Mobile Applications


  • Compact Construction/ Low Profile/
  • Water Resistance
  • Magnet Mount Base
  • Excellent Temperature Stability
  • Low Noise Figure
  • High Sensitivity

Application Diagram


  • Automobile GPS
  • Bluetooth Receiver
  • Car Tracking Navigation System
  • AVL / Fleet Management Systems
  • External Antenna for Handheld GPS
  • External Antenna for PDA Navigator


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
Cable & Connector
RF 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
Polarization R.H.C.P. (Right Handed Circular Polarization)
Absolute Gain @ Zenith 3 dBic Typ.
Gain 90o:2.0dBi min.
20o:-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
Gain 28+/-4.5dB
Bandwidth 10 MHz min. @S11¢G-10 dB
Noise Figure 1.5dB Typ.
Supply Voltages 2.5 ~5.5V DC
Current Consumption 2.7V~2.9V : 10.6mA+/-1mA
5V: 11.5mA+/-1mA
Output Impedance 50 ohm
Output VSWR 2.0 max.
Overall Performance (Antenna Element, LNA & Cable)
Center Frequency 1575.42 MHz
Gain At 90o 30+/- 4.5dBi-(cable loss)
Note:1Mounted on the 60mm x 60mm square ground plane
Output Impedance 50 ohm
VSWR 2.0 max.
Environmental Conditions
Operation temperature -40oC to +85oC
Storage temperature -40oC to +100°C
Relative Humidity 95% non-condensing
  • Model: MA-25
  • Shipping Weight: 0.25lbs
  • 99 Units in Stock
  • Manufactured by: Mobile GPS Online

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This product was added to our catalog on Tuesday 10 November, 2015.

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