... FCC certification, 850/1900 MHz. Class 10 GSM/GPRS module. CE Mark approval, and C-tick approvalCommunications and Data ... reliability is continuously monitored to ensure highest quality.5 Receiver will operate normally to -40°c, internal batteries are ... Trimble low elevation tracking technology• Satellite signals tracked simultaneously: − GPS: L1 C/A, L2C, L2E (Trimble method for tracking ...