... 22, 24 FCC certification, 850/1900 MHz. Class 10 GSM/GPRS module. CE Mark approval, and C-tick approvalCommunications and Data Storage ... typical /10 km optimal• Fully integrated, fully sealed internal GSM/GPRS option• Fully integrated, fully sealed 2.4 GHz communications ... port (Bluetooth®)9• External cellphone support for GSM/GPRS/CDPD modems for RTK and VRS operations• Data storage ...