CRMA Express is upgradeable and when WWAN radio technology changes, you an change with it.
These radios are ideal for the mobile worker. The fast speeds from EV-DO/1xRTT/ and
HDSPA/UMTS/EDGE facilitate greater productivity with fast email retrieval and fast and secure access
to your information and applications. Refer to the installation instructions included with your CRMA
Express module(s). After installation, refer to radio help, found on your desktop, for information about
setting up and using your radio(s).
About 1xEV-DO/1xRTT Network
1xEV-DO
Evolution Data Only or Evolution Data Optimized (EV-DO) is a 3G wireless technology with average
user download speeds ranging from 400 to 700 Kbps with peak rates up to 2.0 Mbps in release 0.
Release A's peak rates may reach up to 3.1 Mbps.
1XRTT - Single Carrier (1x) Radio Transmission Technology
1xRTT is a pre-3G wireless technology based on the CDMA platform. It has the capability to provide
ISDN like speeds of up to 144 Kbps with typical speeds in the 50-70 Kbps. 1xRTT is also referred to as
CDMA2000.
About HSDPA/UMTS/EDGE Network
HSDPA/UMTS
High-Speed Downlink Packet Access (HSDPA) / Universal Mobile Telecommunications Systems
(UMTS) are 3G wireless technologies. HSDPA averages 400-700 Kbps with peak rates up to 10 Mbps
in future releases. UMTS has an average user download speed of 384 Kbps with peak rates up to 2.0
Mbps.
EDGE
Enhanced Data Rates for Global Evolution (EDGE) is a pre-3G wireless technology based on the GSM
platform. It has the capability to provide ISDN like speeds of up to 144 Kbps with typical speeds in the
50-70 Kbps.
GPS (option)
About GPS
The Global Positioning System (GPS) is a worldwide radio-navigation system formed from a
72_0130_001
2006-07-10
© 2006 Itronix Corporation. All rights reserved.
GoBook
®
XR-1 Help
Page 44 of 92
GoBook XR-1 Help
8/3/2006
file://C:\Documents and Settings\harwoodm\Local Settings\Temp\~hh2D1C.htm
