RavenXT-Series
Sierra Wireless Airlink Digital Cellular Modems
The RavenXT-series modems are full-duplex devices
that transmit data to the local cellular tower. A PC
retrieves the data from the cellular tower via the
Internet*. Internet communications provide faster
communication rates and eliminate dialing delays
and long distance fees.
Th
e following modems are off ered:
RavenXTV
•
—Code Division Multiple Access
(CDMA) modem confi gured for Verizon networks
RavenXTG
•
—General Packet Radio Service
(GPRS) modem confi gured for AT&T networks
Features
Eliminates the dialing delays and long distance
•
fees that land-line phone modems experience
Allows simultaneous communications with
•
multiple dataloggers in the network
Housed in a rugged aluminum case
•
Operates over a wide operating temperature
•
range (see specifi cations)
Cellular Coverage
Before purchasing a digital cellular modem, ensure
that there is a CDMA or GPRS network with cover-
age at the datalogger site. For the RavenXTV, you’ll
need to contact Verizon and ask them about coverage.
For the RavenXTG, a coverage map is available at:
www.wireless.att.com/coverageviewer/
PC running PC400 or
LoggerNet Software
Base Station
CDMA or GPRS network
handles call routing
between the cell
tower and Internet
YOU
NG
YOUNG
Yagi Antenna
Solar Panel
Enclosure houses
modem, datalogger,
and power supply
Datalogger Site
Typical System*
*Th
e RavenXTV uses 1xRTT/EVDO to communicate over the Internet. It can also use IS-95 to communicate over standard telephone lines.
Contact Campbell Scientifi c for system requirements if using IS-95.
