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Topcon G5-A1 GNSS Geodetic Campaign Antenna

The Topcon G5-A1 GNSS geodetic campaign antenna is a full-wave GNSS tracking antenna in a rugged housing designed for applications such as: land surveying, topography and OEM manufacturing.

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Overview

The Topcon G5-A1 GNSS geodetic campaign antenna is a full-wave GNSS tracking antenna in a rugged housing. This antenna was designed to track all currently broadcast signals as well as those planned for the future. The G5-A1 is a low-cost alternative to Topcon’s CR-G5 high-accuracy infrastructure antenna. It fits almost any budget, yet yields high-quality results at the same time.

Cost-sensitive for your budget-minded customer, the G5-A1 ruggedized GNSS antenna is ideal for pairing with modular base receivers in your network. Fully capable of all-in-view tracking of GNSS signals, this antenna is capable of providing clean, precise positioning data for all your infrastructure needs.

Features

  • Full-wave, zero-centered geodetic reference station antenna
  • Designed for highly efficient multi path reduction
  • Ideal for portable geodetic market requirements
  • Entry-level, low-cost, high-quality geodetic campaign antenna
  • All-in-view satellite signal tracking

Applications

  • Land Surveying
  • Topography & As-Built
  • Layout & Survey
  • OEM Manufacturing

Technical Specifications

Physical
Dimensions: 298 mm x 75 mm
Weight: 1.3 kg
Connector: TNC female
Environmental
Operating Temperature: -40°C to 75°C
Storage Temperature: -40°C to 80°C
Dust/Humidity: IP67 IEC 60529
Drop Test: Drop with pole from 2 m onto concrete surface
RoHS Compliant: Yes
Operational
Input Voltage: 3 to 16 VDC
Power Consumption: 65 mA (typical)
Performance
Operating Frequency Range: Lower band: 1230±70 MHz
(E5a, L5, E5b, G3, B2, E3, L2, G2, E4, B3, E6)
Upper band: 1570±40 MHz
(E2, B1, L1, B1-2, E1, G1, SBAS)
Out-of-Band Rejection: Lower band: (1100…1380 MHz) -30 dBc (typical)
Upper band: (1510…1660 MHz)
f < 1000 MHz: -50 dBc (typical)
f > 1800 MHz: -50 dBc (typical)
LNA Gain: 35 dB (typical)
Gain at Zenith (90°): Lower band: 5.5 dBic (minimum)
Upper band: 4.5 dBic (minimum)
Gain Roll-Off (from Zenith to Horizon): Lower band: 13 dB
Upper band: 10 dB
Noise Figure: 1.0
VSWR: ≤ 2.0 : 1
Differential Propagation Delay (typical): 6 ns (maximum)
Nominal Impedance: 50 Ohm

Ordering

The G5-A1 GNSS geodetic campaign antenna from Topcon is available through TerrisGPS. If you would like more information regarding this product, please get in touch with us by completing the Request Pricing form.

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Client Testimonials

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"Thank you for your prompt service. All seems to be working well again. Your techs were very helpful with the troubleshooting."
J.O. - Ground Navigation
"Thanks for all the troubleshooting help, also to John for his assistance and the prompt answers from you guys!"
F.A. - Survey Industry

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