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2 Features and Functions
20 SPSx51 Modular GPS Receivers User Guide
• Small, lightweight design – 1.65 kg (3.64 lbs) receiver only including the battery;
4 kg (8.82 lbs) complete system weight (rover including controller and rod)
• Permanent/semi-permanent and mobile quick setup base station capability
• Backpack, belt, rod, truck, and marine vessel mounting options for rover
applications
• Capable of all site measurement and stakeout operations within 2.4 km (1.5 m)
(SPS751 Basic) and typically 5 km (3.1 m) (SPS751 Max)
• Easy-to-use menu system for rapid configuration and status checking
• AutoBase
™
technology for rapid and automated repeated daily base station
setups
• Can broadcast corrections through multiple radio links from one base station,
for example, through an internal 450 MHz radio and an external 900 MHz radio
• CAN (Controller Area Network) support
• Rugged, weatherproof construction with an IP67 environmental rating
• –40 °C to +65 °C (–40 °F to +149 °F) operating temperature range
• 9.5 V to 28 V DC input power range, with over-voltage protection
• RoHS compliant
• Tracks up to 24 GPS satellites and 4 SBAS satellites
• Can receive GPS L2C signals
• 1 Pulse-per-second (1PPS) output
SPS751 Basic
• Base station only, or rover only, operation
SPS751 Basic base
• Entry-level, low-cost RTK base station
• Unrestricted operational range for rovers and grade control systems
• Integrated transmit-only radio
• Easily upgraded to the SPS751 Max (if the SPS751 Basic base receiver is already
fitted with an internal UHF radio, the upgrade includes the ability for the SPS751
Max to receive signals).
SPS751 Basic rover
• Entry-level, low cost RTK rover receiver
• 2 Hz measurement update rate
• 2.4 km (1.5 mile) operational range from the base station