Trimble Outdoors SPSX51 - Manual (Page 23)

SPSx51 Modular GPS Receivers User Guide 21
Features and Functions 2
• Integrated receive-only radio
• Easily upgraded to the SPS751 Max (if the SPS751 Basic rover receiver is already
fitted with an internal UHF radio, the upgrade includes the ability for the SPS751
Max to transmit signals)
This receiver is ideal for contractors new to GPS as a starter system or for operating
multiple small projects.
SPS751 Max
• RTK base station and rover operation in a single receiver
• Integrated receive/transmit radio
• 5 Hz or 10 Hz measurement update rate
• Unrestricted rover operation range from a base station
• Operates within a Trimble VRS network, for base station-free rover capability
• Moving baseline and heading capability when any SPSx51 receiver (excluding
the SPS551H or SPS751 Basic receiver) is combined with any SPSx51 or SPS551H
add-on receiver.
SPS851 features
The SPS851 receiver provides the following features:
• Integrated GPS receiver and radio
• 450 or 900 MHz radio
• 72-channel L1/L2/L2C/L5 GPS plus L1/L2 GLONASS receiver
• OmniSTAR XP/HP/VBS service capable
• 4-channel WAAS (Wide Area Augmentation System), EGNOS (European
Geo-Stationary Navigation System), and MSAS Satellite Based Augmentation
(SBAS) compatible
• Long-life integrated battery, typically provides 9 hours operation as a base
station or 12 hours as a rover with internal transmit/receive radio
• Configuration and monitoring interface through the following methods:
– Web interface
– Networked or peer-to-peer Ethernet
– Integrated display and keyboard
– Trimble SCS900 Site Controller software
• Integrated Bluetooth wireless technology for cable-free configuration and
operation with a controller