Glossary terms beginning with R

RACH

Also known as: Random Access Channel Random Access Channel (RACH) is an uplink channel (mobile to base) used by a MS (Mobile Station) when it initially attempts to request access to the network. The MS uses…

Radiation

Radiation is the name given to the process when a body emits energy in the form of particles or waves, which are then transmitted through space, air or some other material. An example of radiation is…

Random Access Channel

Also known as: RACH Random Access Channel (RACH) is an uplink channel (mobile to base) used by a MS (Mobile Station) when it initially attempts to request access to the network. The MS uses the RACH…

RDS

Radio Data System, or RDS, is a communications protocol standard from the European Broadcasting Union for sending small amounts of digital information using conventional FM radio broadcasts. The RDS system standardises several types of information transmitted,…

Recommended Standard 232

Also known as: RS232 RS-232 (Recommended Standard 232) is a standard type of connector, commonly used as the serial port interface for a computer. The serial port is used as an input-output connection for the transfer…

REN

Also known as: Ringer Equivalence Number Ringer Equivalence Number (REN) is the limit set by a Service Provider for the total number of telephones that may be connected simultaneously to a standard wired telephone line. The…

Reverse Link

Also known as: Uplink Uplink (Reverse Link) is the term used to describe the direction of data transmissions from the subscriber's MS (Mobile Station) to the network BS (Base Station). Downlink (Forward Link) is the return…

Ring Tone Text Transfer Language

Also known as: RTTTL, Nokring RTTTL (Ring Tone Text Transfer Language) is a data format originally developed by Nokia and used to store user composed ringtones on their Series 30 handsets, but has since been…

Ringer Equivalence Number

Also known as: REN Ringer Equivalence Number (REN) is the limit set by a Service Provider for the total number of telephones that may be connected simultaneously to a standard wired telephone line. The reason for…

Ringtone

Ringtone is the sound made by a telephone handset to alert the user that a call has been received. In the past the standard ringtone was a repeated single tone warble or beeping sound. Ringtones are…

RS232

Also known as: Recommended Standard 232 RS-232 (Recommended Standard 232) is a standard type of connector, commonly used as the serial port interface for a computer. The serial port is used as an input-output connection for…

RTTTL

Also known as: Nokring, Ring Tone Text Transfer Language RTTTL (Ring Tone Text Transfer Language) is a data format originally developed by Nokia and used to store user composed ringtones on their Series 30 handsets,…