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CR-G5-C

Product catalog summary

Overview: The CR-G5-C is a high-end geodetic choke ring antenna featuring a cavity filter, based on Topcon's TA-5 full spectrum GNSS antenna element. It is designed for full wave tracking of current and future GNSS signals, addressing the needs of reference networks and infrastructure monitoring.

Key Features:

Utilizes Topcon's TA-5 vertical convex dipole antenna element for comprehensive GNSS signal tracking.
Includes a cavity filter to mitigate near band jamming.
Features a Topcon-designed choke ring groundplane for improved phase center stability and enhanced tracking of low elevated satellites.

Operating Frequency Range:

Lower band: 1160...1300 MHz (covers E5a, L5, E5b, G3, B2, E3, L2, G2, E4, B3, E6).
Upper band: 1540...1610 MHz (covers E2, B1, L1, B1-2, E1, G1, SBAS).

Performance Specifications:

Out of Band Rejection: -60 dBc for both lower and upper bands, -80 dBc for frequencies < 1050 MHz and > 1700 MHz.
LNA Gain: 43 dB (typical).
Gain at Zenith: 7.5 dB (lower band), 5 dB (upper band).
Noise Figure: 1.0 dB (typical).
VSWR: ≤ 1.5 : 1.
Differential Propagation Delay: 4 ns (typical).
Nominal Impedance: 50 Ohm.

Environmental Specifications:

Operating Temperature: -50ºC to 85ºC.
Storage Temperature: -55ºC to 85ºC.
Water/Dust Rating: IP67 IEC 60529.
Vibration and Shock: Compliant with Method 514.6 and Method 516.6 standards.
Humidity: 95% (Method 507.5).
Drop Test: Repeated drops from 1 meter height on concrete.
RoHS Compliant: Yes.

Power and Physical Specifications:

Input Voltage: 3.3 to 12 VDC.
Power Consumption: 100 mA (typical).
Dimensions: 380 x 155.5 mm (without dome), 380 x 292 mm (with Topcon dome), 415 x 287 mm (with SCIGN dome).
Weight: 5.3 kg (antenna), 6.4 kg (with Topcon dome), 7.1 kg (with SCIGN dome).
Connector: N-type female.
Mount: 5/8-11 UNC-2B thread.

Additional Information: Specifications are subject to change without notice. For more details, visit topconpositioning.com/CR-G5.

Catalog excerpts

The CR-G5-C is a choke ring antenna with cavity filter based on Topcon's TA-5 full spectrum GNSS antenna element. The TA-5 antenna element utilizes an array of vertical convex dipoles. This antenna provides Full Wave tracking technology for existing and future GNSS signals. The antenna addresses the evolving requirements for reference networks and infrastructure monitoring applications. • High-end Geodetic Antenna • Topcon's TA-5 vertical convex dipole antenna element for full spectrum GNSS signal tracking • Cavity filter mitigates near band jamming • Topcon designed choke ring groundplane • Improved phase center stability in vertical over expanded GNSS frequency band. Improved low elevated satellites tracking Specifications subject to change without notice. ©2017 Topcon Corporation All rights resemed. 7010-2233 A 4/17 Operating Frequency Range

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