R
RADIUS – Remote Authentication Dial In User Service
RADIUS Server - See AAA
RAN – Radio Access Network - See AN
Restrictive Mode - See PRL
RFC – Request For Comments
RN – Radio Network - See AN
RoamEx
Roaming
Roaming Agreement
Roaming Indicator
RSP – Roaming Service Provider
RUIM – Removable User Identity Module
RVR – Roamer Verification and Reinstatement
Read more about this topic: List Of CDMA Terminology