R

R&D

Research and Development

RACE

Research & development for Advanced Communications in Europe

RAD

Rapid Application Development

RADAR

RAdio Detection And Ranging

RAID

Redundant Array of Inexpensive Disks

RAM

Random Access Memory

RARP

Reverse Address Resolution Protocol

RBOC

Regional Bell Operating Company (USA)

RCA

Radio Corporation of America

RCL

Resistance, Capacitance and inductance(L)

RDAC

Remote Data Acquisition and Control

RDBMS

Relational Data Base Management System

RELP

Residually Excited Linear Predictive

RETMA

Radio Electronics Television Manufacturers Association

RF

Radio Frequency

RFC

Request For Comment (Internet)

RFI

Radio Frequency Interference

RG

Radio Guide (Hw catalog)

RGB

Red Green Blue

RIP

Raster Image Processor

RIP

Router Information Protocol

RISC

Reduced Instruction Set Computer

RJE

Remote Job Entry (IBM)

RLAP

Radio data Link Adapter Protocol

RLL

Radio Local Loop

RLL

Relay Ladder Logic

RLL

Run-Length Limited (code)

RMA

Return Merchandise Authorization

RMON

Remote MONitoring

RMS

Root Mean Square

ROI

Return On Investment

ROM

Read-Only Memory

RPC

Remote Procedure Call

RPG

Report Program Generator

rpm

Revolutions Per Minute

RS

Recommended Standard (EIA)

RS

Remote Station

RS

Reed Salomon (code)

RSA

Rivest Shamir & Adleman (encryption)

RSIs

Repetitive Stress InjurieS

RSVP

resource ReSerVation Protocol

RSVP

R‰pondez S'il Vous Plait

RT

Room Temperature

RTC

Real Time Clock

RTD

Resistive Temperature Detector

RTF

Rich Text Format

RTOS

Real Time Operating System

RTP

Real-Time Transport Protocol

RTS

Request To Send

RTSP

Real-Time Stream Protocol

RTT

Round Trip Time

RTU

Remote Telemetry Unit

R/W

Right of Way

RWM

Read-Write Memory

RX

Reception

RXD

Received Data