Mobile GPS/GLONASS Antenna

Compact & Sensitive Glonass/GPS antenna with ESD Circuit Protection for Mobile Applications
Model : DS-28

Physical Condition
Construction Polycarbonate- radome at top, die-cast shell at bottom/ rubber gasket for water seal in between
Dimension 46.27mm (L) x 38.19mm (W) x 12.26mm (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)
Gain @ Zenith 1.5 dBic typical
Mounted on the 70mm × 70mm square ground plane
Axial Ratio 90° :3 .0dB max.
Mounted on the 70mm × 70mm square ground plane
Low Noise Amplifier
Gain 27dB @ 3V
Bandwidth 43 MHz min. @≤-10 dB
Noise Figure 1.5dB Typical .
Supply Voltages 2.5 ~5V DC
Current Consumption 3V : 10.6mA+1mA, 5V : 21mA +1mA
Output Impedance 50 ohm
Output VSWR 2.0 max.
Overall Performance(Antenna Element, LNA & Cable)
Center Frequency 1575.42 MHz ± 10 MHz & 1602 MHz ± 8 MHz
Gain At 90o 27 ± 3dB (cable loss) Note:1
Mounted on the 70mm x 70mm square ground plane
Output Impedance 50 ohm
VSWR 2.0 max.
Environmental Conditions
Operation temperature -40°C to +85°C
Storage temperature -40°C to +90°C
Relative Humidity 95% non-condensing
Note:1:Cable loss-(-1.2dB/m)
Compact & Sensitive GlONASS GPS antenna with ESD Circuit Protection for Mobile Applications
DS-28 is the most compact GPS/Glonass antenna available on the current market. Its state-of-the-art technology allows for miniature without. With good coverage almost all the way to the horizon, it performs excellently in foliage or urban canyon environment -- even in the presence of electromagnetic interference! 
Featuring diminutive and rugged enclosure and unparalleled performance, DS-28 is compatible with almost every GPS/Glonass receiver model on the markets and provides an excellent alternative for a vast range of GPS/Glonass applications including AVL, Vehicle Navigation, Aviation, and Military.
  • ESD circuit protection
  • Diminutive & rugged construction allows for military and other applications demanding
  • high degree of confidentiality.
  • Compact Construction/ Low Profile/ Low Noise Figure
  • Magnet Mount Base
  • Ideal for PDA, HPC, and other computing devices in GPS applications.
  • Water Resistance
  • Automobile GPS/Glonass Receiver/Car Tracking Navigation System
  • AVL / Fleet Management Systems
  • External Antenna for Handheld GPS/Glonass and Navigator