... 4.Capacity to track 44 satellite Japan Trimble r8 agency USA Original Trimble R8 GNSS RTK ANTENNA The detail pic as ... 3.8 hours, varies with temperature•Certification Class B Part 15, 22, 24 FCC certification, 850/1900 MHz.Class 10 GSM ... raw observables based on recording data from 6 satellites at 15 second intervals• 1 Hz, 2 Hz, 5 Hz, and 10 ...