Hints For Integrating The Wireless Cpu; Precautions; Where To Install The Wireless Cpu; Safety Standards - Wavecom CM52 Integrator's Manual

5 Hints for Integrating the Wireless CPU

This section, which gives you advice and helpful hints on how to integrate the CM52 with the
application, should be taken as a guide.
Note!
The circuits on the test board are not shielded. Therefore take proper precautions for
avoiding ESD and EMI.
5.1

Precautions

Following is a list of preparations that you should make before beginning the integration work that
is described in this section.

Where to install the Wireless CPU

Safety standards

Network and subscription
Antenna
5.2 Where to Install the Wireless CPU
Make sure that the Wireless CPU
temperature, humidity, vibration, etc., are not beyond the limits specified for it.
Make sure that the signal strength is sufficient. To improve signal strength, move the antenna to
another position. Signal strength may depend on how close the Wireless CPU
station. Degradation in signal strength could be a result of disturbance from another source, for
example, an electronic device nearby.
You can verify signal strength by issuing the AT command AT+CSQ. See the CM52 Software User's
Guide and AT Command Manual for a description of this and other useful AT commands.
Tip! Before installing the Wireless CPU
location for it. Consider signal strength as well as cable length in determining the location for the
Wireless CPU
where you intended.
5.3 Safety Standards
You are responsible for observing your country's safety standards and the relevant wiring rules,
where applicable.
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is installed in proper environmental conditions such that
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and antenna. That way you will find out if it is practical to install the Wireless CPU
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, use an ordinary mobile telephone to check a possible
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CM52 Integrators' Manual
is to a radio base
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