940-2125-000 Hemisphere 2179.00  

Hemisphere A45 Antenna (940-2125-000)

Hemisphere Part Number: 940-2125-000

Hemisphere A45 Antenna
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Last updated: 1:51 AM, 22 May 2022
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Hemisphere A45 precision antenna only, which supports L1, L2, GNSS, and L-Band only.

The A45™ GNSS Antenna has been designed to support millimeter accuracy on land and marine applications. The A45 GNSS antenna offers support for present and future GNSS signals, including GPS, GLONASS, BeiDou, and Galileo.

A45 is a multi-GNSS precision antenna and is ideal for various applications including surveys, single-frequency RTK positioning and navigation, precise guidance, and machine control. Use the A45 antenna in challenging environments (such as near buildings and foliage) as it has superior multipath mitigation, stable phase center and strong SNR's, even at low elevations.

The rugged housing utilised by A25 is made of an aluminum base that has been pretreated for the marine environment and will withstand salt, fog, and spray. The antenna easily passes the two-meter pole drop test.

GNSS Sensor
GNSS Reception: GPS L1/L2/L5, GLONASS G1/G2, BeiDou B1/B2/B3, SBAS, L-band and Galileo E1/E5a and b
GNSS Frequency: 1.165 to 1.278 GHz
LNA Gain: 30 dB
LNA Noise: 2.0 dB, typical

L-band Sensor Specifications
L-band Frequency Range: 1.165 - 1.278 GHz
1.525 - 1.585GHz
L-band LNA Gain: 30 dB

Power Input Specifications
Input Voltage: 3.3 - 15 VDC
Input Current: 25 mA, typical

Mechanical Specifications
Enclosure: Aluminum base with ASA plastic cap
Dimensions: 47 mm H x 152 mm D (1.8" H x 6.0" D)
Weight: 500 g (0.88 lb.)
Mounting Options: 5/8 inch female thread
RF Connector: TNC (straight)

Environmental Specifications
Storage Temperature: -40°C to +85°C
Operating Temperature: -40°C to +70°C
Enclosure Rating: IP69K
Shock and Vibration: EP455
Phase Center Variation: Less than 2 mm at GPS L1, for elevations above 15 degrees

Specifications are provided as a guide only, and are subject to change without notice.

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