Budget-friendly, full-wave antenna

Product Info

Cost-conscious and high-performance

A rugged housing combined with full-wave GNSS tracking, this antenna has been designed for tracking all currently broadcast signals as well as those planned for the future. This low-cost alternative to Topcon’s CR-G5 high-accuracy infrastructure antenna fits almost any budget yet yields high-quality results at the same time due to its all-in-view tracking of every constellation and signal available today and coming in the future.

  • 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


Cost-sensitive for you budget-minded customer, yet fully capable of tracking all available satellite signals, with future-proof firmware updates for future constellation expansion, this ruggedized GNSS antenna is ideal for pairing with modular base receivers in your network. Fully capable of all-in-view tracking of GNSS signals the G5-A1 antenna is capable of providing clean, precise positioning data for all your infrastructure needs. 

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G5-A1 Specifications

298 x 75 mm (antenna)
1.3 kg
TNC female
Operating Temperature
-40°C to 75°C
Storage Temperature
-40°C to 80°C
Physical and Environmental
Dust / Humidity
IP67 IEC 60529
Drop Test
Drop with pole from 2 m onto concrete surface
RoHS Compliant
Input Voltage
3 to 16 VDC
Power Consumption
65 mA (typical)
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 (90º)
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
≤ 2.0 : 1
Differential Propagation Delay (typical)
6 ns (maximum)
Nominal Impedance
50 Ohm

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