Gr64 Wireless Cpu; About The Gr64 - Wavecom GR64 GSM/GPRS Integrator's Manual

2

GR64 Wireless CPU

2.1

About the GR64

The Wavecom Gx64 family of devices are Quad Band GSM/GPRS Wireless CPUs
operating in the GSM 850/900/1800/1900 bands.
These products belong to a new generation of Wavecom Wireless CPUs, and are
intended to be used in machine-to-machine applications and man-to-machine
applications. They are used when there is a need to send and receive data (by SMS,
CSD, or GPRS), and make voice calls over the GSM network.
The GR64 conforms to the European Union (EU) Restriction of Hazardous Substances
(RoHS) directive 2002/95/EC.
The GR64 is available in two hardware variants. Table 1 lists the hardware features for
each variant. The device is available in two hardware variants:
•
•
Table 1: GR64 HW Variants
Variant
GR64001
GR64002
Each hardware variant comes in two software variants.
designed to be controlled from a micro-controller situated on the host application.
The other software variant offers the option to run applications embedded onto the
Wireless CPU itself. When using the embedded application version the controlling
script can be run internal to the Wireless CPU, with or without the use of an external
control.
A typical application, involves a micro-controller and a Wireless CPU, in which the
micro-controller
communications link.
GR64 Integrators Manual
Page: 10/104
GR64001. No USB interface or an integrated SIM card holder. VREF is an
output to the application.
GR64002. USB interface and an integrated SIM card holder. VREF is on this
variant an input from the application.
VREF Input
No
Yes
sends AT commands
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USB SIM Card Holder
No No
Yes Yes
to the Wireless
One software variant is
CPU via an RS232