The Hemisphere A31 antenna is designed to help maintain tracking of GPS, Beacon and differential correction signals in challenging environments.
Sometimes keeping the antenna level and away from electrical noise is just not possible. With improved multi-path mitigation and ability to filter out an additional 30 decibels of radio band frequencies, A31 offers superior noise rejection.
The A31 is designed for use with Hemisphere GPS Crescent and Crescent Vector II receivers.
Sometimes keeping the antenna level and away from electrical noise is just not possible. With improved multi-path mitigation and ability to filter out an additional 30 decibels of radio band frequencies, A31 offers superior noise rejection.
The A31 is designed for use with Hemisphere GPS Crescent and Crescent Vector II receivers.
GPS Sensor Specifications
| GPS Reception: | GPS, SBAS, L-band (OmniSTAR) and Beacon |
| GPS Frequency Range: | 1.575 GHz (L1) |
| GPS LNA Gain: | 30 dB |
| GPS LNA Noise: | < 2.0 dB |
L-band Sensor Specifications
| L-band Frequency Range: | 1.525 - 1.585 GHz |
| L-band LNA Gain: | 30 dB |
Beacon Sensor Specifications
| Beacon Frequency Range: | 283.5 - 325 KHz |
| Beacon LNA Gain: | 30 dB |
Power Input Specifications
| Input Voltage: | 5 - 12 VDC |
| Input Current: | 50-60 mA |
Mechanical Specifications
| Enclosure: | Lexan |
| Dimensions: | 104 mm H x 145 mm D (4.1" H x 5.7" D) |
| Weight: | 730 g (1.62 lb.) |
| Mounting Options: | 1" coarse thread (5/8" adapter available) |
Environmental Specifications
| Storage Temperature: | -40°C to +85°C |
| Operating Temperature: | -30°C to +70°C |
| Humidity: | 100% Condensing |
| Enclosure Rating: | IP69K |
| Shock & Vibration: | EP455 |
Specifications are provided as a guide only, and are subject to change without notice.
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