GPS Antenna Module

Low Attenuation & Power Consumption;18(L)x18(W)x8(H)mm
Model : D-18

Physical Condition
Dimension 18mm (L) x 18mm (W) x 8mm (H)
Weight 30 grams (excluding cable & connector)
Antenna Element
Center Frequency 1575.42 MHz +/- 1.023 MHz
Polarization R.H.C.P. (Right Hand Circular Polarization)
Absolute Gain at Zenith +3 dBi typically
Axial Ratio 3.0 dB typically
Output VSWR 1.5 dB typically
LNA (Low noise Amplifier)
Center Frequency 1575.42 MHz +/- 1.023 MHz
Gain 17 dB
Band Width 2 MHz
Noise Figure 1.3 dB typically
Supply Voltage 2.5 ~3.3 V DC
Current Consumption 4.5 ~ 8.0 mA
Output Impedance 50 ohm
Total Specifications(Through Antenna, LNA, Cable and Connector)
Center Frequency 1575.42 MHz
Gain 15 dB typically
Noise Figure 1.8 dB
Band Width 2 MHz
Axial Ratio 3 dB max.
VSWR 1.5 dB typically
Output Impedance 50 ohm
RF Cable RG174/U (standard), with RG-178/U and RG-316/U as customized options.
Pulling Strength 6 Kg/5 sec. 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 type
Environmental Conditions
Operating Temperature -30°C~+80°C
Storage Temperature -40°C ~+90°C
Relative Humidity 95% non-condensing
This specification is subject to change without prior notice...
Low Attenuation & Power Consumption

Featuring excellent anti-signal interference capabilities and amazingly low current consumption, D-18 is the most compact GPS antenna module currently available on the market. Thanks to our cutting-edge technology that makes the device the tiniest possible without sacrificing performance. D-18's comprehensive coverage can extend to far-off horizon, performing excellently in foliage or urban canyon environment- even in the presence of electromagnetic interference! Coming up with diminutive but substantial enclosure plus unparalleled performance, D-18 is compatible with almost every GPS receiver model available on the market and provides a perfect alternative for a vast range of GPS applications in the fields of AVL, vehicle navigation, aviation and military.

  • Excellent anti-signal interference capabilities and amazingly low current consumption.
  • Microscopic & rigid structure suits well military and other applications demanding high degree of confidentiality.
  • Ultra-high sensitivity.
  • Module board available for embedded applications.
  • Ideal for PDA, HPC and other computing devices running GPS applications.
  • AVL / Car Navigation / Vehicle Tracking / Weather Balloon / Security Surveillance / Embedded Antenna for Handheld GPS / PDA / PC