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Trimble AV28 Antenna

The Trimble AV28 GNSS antenna is a precise triple-frequency and L-band antenna. Light and small, this antenna supports a wide range of applications such as robotics and autonomous vehicle guidance. It is also an ideal solution for UAV and aerial applications where the weight and size of the antenna really matter. 
Product Resources
  • Overview

  • Technical Specifications

  • Key Features

  • How to Buy

  • Support

The Trimble AV28 Antenna has been designed for precise triple-frequency positioning in a wide range of applications such as robotics and autonomous vehicle guidance. The Trimble AV28 offers full support for GPS L1/L2/L5, GLONASS L1/L2/L3, Galileo E1/E5a+b, and BeiDou B1/B2 as well as Trimble RTX and OmniSTAR correction services via L-Band.

Mechanical Size, Ground Plane     66 mm x 21 mm
100 mm Ground Plane recommended
Weight 185 g
Attachment Method Permanent ¾" (19 mm) through hole mount
Connector Type TNC Female
Supply Voltage Range  
+2.5 to 16 VDC nominal, up to 50 mV p-p ripple

  • Low Noise Preamp < 2 dB 
  • Axial Ratio: < 2 dB typ. 
  • Tight Phase Center Variation 
  • LNA Gain: 37 dB typ. 
  • Invariant Performance from: +2.5 to 16 VDC 
  • Low Current: 20 mA typ. 
  • ESD Circuit Protection: 15 KV 
  • Ideal for Triple Frequency RTK Systems 
  • Advanced Multi-Path Rejection 
  • Increased System Accuracy 
  • Good Signal-to-Noise Ratio

Trimble Inc.
Sales Contacts for Integrated Technologies (InTech) Division
For all inquiries, please submit a request using our How to Buy submission form.
Western US

Office: US
Phone: +1 (503) 709-3670

Eastern US and Canada

Office: US
Phone: +1 (303) 635-8847
Phone: +1 (512) 826-5873

South America

Office: US
Phone: +1 (720) 360-5664


Office: US
Phone: +1 (503) 709-3670


Office: China
Phone: +86 18601172960 

Northern & Eastern Central Europe (incl. BeNeLux), Turkey

Office: Germany
Phone: +49 (6142) 2100-348

Western & Southern Europe

Office: The Netherlands
Phone: +31 (72) 572 4408

Middle-East & Africa & India: 

Office: The Netherlands
Phone: +31 (72) 572 4408


Office: Germany
Phone: +49 (6142) 2100-348