Spectracom SecureSync 1200 User Reference Manual page 187

Production dates: up to 2014
Constellations: GPS
Other characteristics:
Trimble Res-SMT™ GG
Production dates: 2014, 2015, 2016
Constellations: GPS, GLONASS, QZSS
Other characteristics:
u-blox
Production dates: 2016
Constellations: GPS, GLONASS, BeiDou, Galileo (Receiver SW V. ≥ 3.0.1), QZSS
Other characteristics:
CHAPTER •
3 SecureSync User Reference Guide Rev. 23
A-GPS option: No
Resurvey: Automatic, when moved.
A-GPS option: Yes
Resurvey: Automatic, when moved (software-version dependent).
®
M8T
A-GPS option: Yes
Resurvey: Per default, always when rebooted — can be changed, see "Setting GNSS
Receiver Dynamics" on page 174.
3.3 Managing References
171