ZyXEL P-661H-D1 User Guide - Page 110

G Comparison Table, Table 11

Page 110 highlights

Chapter 5 Broadband 3G Comparison Table See the following table for a comparison between 2G, 2.5G, 2.75G and 3G wireless technologies. Table 11 2G, 2.5G, 2.75G, 3G and 3.5G Wireless Technologies NAME TYPE MOBILE PHONE AND DATA STANDARDS GSM-BASED CDMA-BASED DATA SPEED 2G Circuit- GSM (Global System for Mobile Interim Standard 95 (IS-95), the Slow switched Communications), Personal first CDMA-based digital cellular Handy-phone System (PHS), etc. standard pioneered by Qualcomm. The brand name for IS-95 is cdmaOne. IS-95 is also known as TIA-EIA-95. 2.5G 2.75G Packetswitched Packetswitched GPRS (General Packet Radio Services), High-Speed CircuitSwitched Data (HSCSD), etc. Enhanced Data rates for GSM Evolution (EDGE), Enhanced GPRS (EGPRS), etc. CDMA2000 is a hybrid 2.5G / 3G protocol of mobile telecommunications standards that use CDMA, a multiple access scheme for digital radio. CDMA2000 1xRTT (1 times Radio Transmission Technology) is the core CDMA2000 wireless air interface standard. It is also known as 1x, 1xRTT, or IS-2000 and considered to be a 2.5G or 2.75G technology. 3G Packet- UMTS (Universal Mobile CDMA2000 EV-DO (Evolution-Data switched Telecommunications System), a Optimized, originally 1x Evolution- third-generation (3G) wireless standard defined in ITUA Data Only), also referred to as EVDO, EVDO, or just EV, is an specification, is sometimes evolution of CDMA2000 1xRTT and marketed as 3GSM. The UMTS enables high-speed wireless uses GSM infrastructures and W- connectivity. It is also denoted as CDMA (Wideband Code Division IS-856 or High Data Rate (HDR). Multiple Access) as the air interface. 3.5G Packetswitched HSDPA (High-Speed Downlink Packet Access) is a mobile telephony protocol, used for UMTS-based 3G networks and allows for higher data transfer speeds. Fast A. The International Telecommunication Union (ITU) is an international organization within which governments and the private sector coordinate global telecom networks and services. 110 P-661HNU-Fx User's Guide

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Chapter 5 Broadband
P-661HNU-Fx User’s Guide
110
3G Comparison Table
See the following table for a comparison between 2G, 2.5G, 2.75G and 3G
wireless technologies.
Table 11
2G, 2.5G, 2.75G, 3G and 3.5G Wireless Technologies
NAME
TYPE
MOBILE PHONE AND DATA STANDARDS
DATA
SPEED
GSM-BASED
CDMA-BASED
2G
Circuit-
switched
GSM (Global System for Mobile
Communications), Personal
Handy-phone System (PHS), etc.
Interim Standard 95 (IS-95), the
first CDMA-based digital cellular
standard pioneered by Qualcomm.
The brand name for IS-95 is
cdmaOne. IS-95 is also known as
TIA-EIA-95.
Slow
Fast
2.5G
Packet-
switched
GPRS (General Packet Radio
Services), High-Speed Circuit-
Switched Data (HSCSD), etc.
CDMA2000 is a hybrid 2.5G / 3G
protocol of mobile
telecommunications standards that
use CDMA, a multiple access
scheme for digital radio.
CDMA2000 1xRTT (1 times Radio
Transmission Technology) is the
core CDMA2000 wireless air
interface standard. It is also known
as 1x, 1xRTT, or IS-2000 and
considered to be a 2.5G or 2.75G
technology.
2.75G
Packet-
switched
Enhanced Data rates for GSM
Evolution (EDGE), Enhanced
GPRS (EGPRS), etc.
3G
Packet-
switched
UMTS (Universal Mobile
Telecommunications System), a
third-generation (3G) wireless
standard defined in ITU
A
specification, is sometimes
marketed as 3GSM. The UMTS
uses GSM infrastructures and W-
CDMA (Wideband Code Division
Multiple Access) as the air
interface.
CDMA2000 EV-DO (Evolution-Data
Optimized, originally 1x Evolution-
Data Only), also referred to as EV-
DO, EVDO, or just EV, is an
evolution of CDMA2000 1xRTT and
enables high-speed wireless
connectivity. It is also denoted as
IS-856 or High Data Rate (HDR).
3.5G
Packet-
switched
HSDPA (High-Speed Downlink
Packet Access) is a mobile
telephony protocol, used for
UMTS-based 3G networks and
allows for higher data transfer
speeds.
A.
The International Telecommunication Union (ITU) is an international organization within which governments and the private sector
coordinate global telecom networks and services.