cgprsCgCdrOptionRatType 1.3.6.1.4.1.9.9.192.1.1.54

This object when set to 'true' includes Radio Access Type (RAT) IE in the G-CDRs and sent to CG. RAT, indicates whether the SGSN serves the User Equipment (UE) by Universal Terrestrial Radio Access Network (UTRAN) or GSM/EDGE RAN (GERAN).