A631 GNSS Smart Antenna

Hemisphere A631 GNSS Smart Antenna

The A631 GNSS Smart Antenna is an affordable, portable solution with professional-level accuracy for agricultural, marine, GIS, mapping, and other applications.

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Overview

The all-new A631 GNSS smart antenna from Hemisphere GNSS is a complete redesign of the previous generation version (AtlasLink) and offers added benefits and value to an already impressive range of features and functionality. The A631 processes and supports over 800 channels with flexible and scalable simultaneous tracking of every modern and planned GNSS constellation and signal including GPS, GLONASS, BeiDou (including Phase 3), Galileo, QZSS, IRNSS, SBAS, and Atlas® L-band. The A631 is powered by Hemisphere’s recently announced next-generation Lyra™ II digital ASIC, Aquila™ wideband RF ASIC and Cygnus™ interference mitigation technology.

The A631 combines Hemisphere’s Athena™ GNSS engine and Atlas L-band correction technologies with a new WebUI, offering an unparalleled level of customer-friendly performance. Optional features include 16 GB of internal storage, Bluetooth and Wi-Fi. Internal storage makes onboard data logging effortless. Bluetooth and Wi-Fi capabilities make wireless communications and connectivity easy to use. The compact and ruggedized antenna is designed for the most challenging environments and meets IP67 requirements.

“The A631 represents the advanced technology, durability, and ease-of-use that our customers have come to expect,” said Miles Ware, director of marketing at Hemisphere. “By integrating our latest Lyra II™, Aquila™, and Cygnus™ technologies, we’ve increased functionality and tracking capabilities, at an unbeatable value.”

The A631 is the ideal positioning system for use in applications such as marine survey, agriculture, construction, or any application that requires high-performance precision and positioning. With multiple operating modes, A631 can be used as an RTK base station or rover. A631 supports the patented BaseLink and SmartLink modes. SmartLink™ enables a user to directly connect AtlasLink as an extension to any existing system that has industry-standard connectivity options. BaseLink™ automatically sets AtlasLink up as a permanent reference station – delivering corrections to any other GNSS receiver being used for positioning.

Focus on the job-at-hand with fast start-up and reacquisition times, scalable accuracy, and an easy-to-see LED status indicator for power, GNSS, and DGNSS. The durable enclosure houses both antenna and receiver. It can be powered through various sources, making the A631 smart antenna ideal for a variety of applications. Dual-Serial, CAN, and pulse output options make this DGNSS receiver compatible with almost any interface. With optional Bluetooth and WiFi support, the A631 Smart Antenna is ready to be connected with mobile devices.

A631 is supported by Hemisphere’s easy-to-use Atlas Portal, which empowers you to update firmware and enable functionality, including Atlas subscriptions for accuracies from meter to sub-decimeter levels.

Features

  • Multi-Frequency GPS, GLONASS, BeiDou, Galileo and QZSS
  • Powered by Hemisphere Lyra™ II ASIC & Cygnus™ Interference Mitigation technology
  • Atlas® L-band corrections
  • Athena™ RTK engine
  • Scalable accuracy within a single product for different use cases
  • Durable enclosure is proven to withstand the most aggressive environments
  • Compact, low-profile design with fixed or magnetic mounting options are ideal for portable and dynamic applications
  • Optional Bluetooth and WiFi interface
  • Optional 16 GB Internal Storage

Technical Specifications

GNSS Receiver
Receiver Type:Multi-Frequency GPS, GLONASS, BeiDou, Galileo, QZSS and Atlas
Signals received:GPS L1CA/L1P/L1C/L2P/L2C/L5
GLONASS G1/G2/G3/P1/P2
BeiDou B1i/B2i/B3i/B10C/B2A/B2B/ACEBOC
Galileo E1BC/E5a/E5b/E6BC/ALTBOC
QZSS L1CA/L2C/L5/L1C/LEX/IRNS L5
Atlas
Channels:800+
GPS Sensitivity:-142 dBm
SBAS Tracking:3-channel, parallel tracking
Update Rate:10 Hz standard, 20 Hz optional (with activation)
Accuracy:20 ns
Cold Start:60 s typical (no almanac RTC)
Warm Start:30 s typical (almanac and RTC)
Hot Start:10 s typical (almanac, RTC, and position)
Maximum Speed:1,850 kph (999 kts)
Maximum Altitude:18,000 m (59,055 ft)
L-Band Receiver
Receiver Type:Single Channel
Channels:1530 to 1560 MHz
Sensitivity:-130 dBm
Channel Spacing:5 kHz
Satellite Selection:Manual or Automatic
Reacquisition Time:15 sec (typical)
Power
Input Voltage:7-32 VDC
Power Consumption:2.0 W nominal (L1/L2 GPS/GLONASS; L-band)
Current Consumption:0.17 A nominal (L1/L2 GPS/GLONASS; L-band)
Power Isolation:No
Reverse Polarity Protection:Yes
Antenna Voltage:Internal Antenna
Power
Operating temperature:-40°C to +70°C
(-40°F to +158°F)
Storage temperature:-40°C to +85°C
(-40°F to +185°F)
Humidity:95% non-condensing
Mechanical Shock:MIL-STD-810H, Method 516.8 Procedure I, Operational, 50G half sine 11ms
Vibration:MIL-STD-810H, Method 514.8, Procedure I, General vibration Category 24 E1
EMC:CE, FCC Part 15, Subpart B, CISPR 32
Enclosure:IP67
Mechanical
Dimensions:15.8 cm (L) x 15.8 cm (W) x 7.9 cm (H)
6.2 in (L) x 6.2 in (W) x 3.2 in (H)
Weight:< 1.05 kg (< 2.53 lbs)
Status Indications (LED):Power, GNSS Lock
Power/Data Connector:12-pin male (metal)
Antenna Mounting:1-14 UNS-2A female adapter, 5/8-11 UNC 2B adapter, flat mount available

Ordering

The A631 GNSS smart antenna from Hemisphere is available through Canal Geomatics. If you would like more information about this product, please feel free to get in touch with us by completing the Request Pricing form.

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