eFix R2 Series Hardware Operating Instructions
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GPRS/3G(WCDMA) Communication Mode
With the GPRS/3G (WCDMA) wireless high speed data transmission technology,
GPRS/3G (WCDMA) communication has wide network coverage and no limitation on data
transmission distance. With the strong anti-interference ability, it can guarantee data
transmission well even in the complex environments of city.
With the built-in GPRS/3G (WCDMA) communication modem, eFix R2 series is small in
size, light in weight, and easy to connect. Users can easily carry out high-precision RTK
survey with CORS support or by self-build base station with GS Server data retransmission
service provided by Geosun.
The diagram of eFix R2 series operating system in GPRS/3G (WCDMA) communication
mode is shown as below:
Radio Communication Mode
Radio communication can be used for high precision RTK operation in remote areas where
the GPRS signal is weak or none, or areas where the GPRS signal tower is damaged
