User Manual

FCC ID: EW4DWMW042

Users Manual

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FCCID_1339022

User Manual
802.11bgn WLAN MODULE
MODEL DWM-W042

The purpose of this manual is to explain correct way how to integrate module
DWM-W042 to the end product. It includes procedures that shall assist you to avoid
unforeseen problems. This manual presents information that shows how module
and OEM product, where module integrated, complies with regulations in certain
regions. Any modifications, not expressly approved by the manufacturer could void
the authority to operate in these regions.

The 802.11bgn WLAN MODULE, model DWM-W042 has to be installed and used
in accordance with the technical description/installation instructions provided by the
manufacturer.

For detail information concerning type approval of this module (e.g. where this
module is already pre-approved) please contact the authorized local distributor or
the manufacturer.

The system may only be implemented in the configuration that was authorized.
Note that any changes or modifications to this equipment not expressly approved
by the manufacturer could void the user’s authority to operate this equipment.

Regulatory Information

Operational Information

Wireless Interoperability
The end product integrating this module is designed to be interoperable with any
wireless LAN product that is based on direct sequence spread spectrum (DSSS)
and orthogonal frequency division multiplexing (OFDM) radio technology and to
comply with the following standards.

･IEEE Std 802.11b Standard on 2.4GHz Wireless LAN
･IEEE Std 802.11g Standard on 2.4GHz Wireless LAN
･IEEE Std 802.11n Standard on 2.4GHz Wireless LAN

Safety
The end product integrating this module, like other radio devices, emits radio
frequency electromagnetic energy. The level of energy emitted by this device,
however, is less than the electromagnetic energy emitted by other wireless devices
such as mobile phones. The end product integrating this module operates within
the guidelines found in radio frequency safety standards and recommendations.
These standards and recommendations reflect the consensus of the scientific
community and result from deliberations of panels and committees of scientists
who continually review and interpret the extensive research literature. In some
situations or environments, the use of the end product integrating this module may
be restricted by the proprietor of the building or responsible representatives of the
applicable organization. Examples of such situations include the following:

･Using the end product integrating this module onboard airplanes, or
･Using the end product integrating this module in any other environment
where the risk of interference with other devices or services is perceived or
identified as being harmful.

If uncertain of the policy that applies to the use of wireless devices in a specific
organization or environment (an airplane, for example), ask for authorization to use
the end product integrated into this module before turning it on.

USA-Federal Communications Commission (FCC)

This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency
energy. If not installed and used in accordance with the instructions, it may cause
harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception,
which can be determined by tuning the equipment off and on, the user is
encouraged to try and correct the interference by one or more of the following
measures:
-Reorient or relocate the receiving antenna.
-Increase the distance between the equipment and the receiver.
-Connect the equipment to outlet on a circuit different from that to which the
receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that
may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.

Labeling
MITSUMI WiFi MODULE DWM-W042 labelled as below.
FCC ID: EW4DWMW042
The label with FCC ID is to be placed on the module. If FCC ID is not visible when
the module is installed into the system, “Contains FCC ID: EW4DWMW042” shall
be placed on the outside of final host system.

Caution: Exposure to Radio Frequency Radiation.
To comply with FCC RF exposure compliance requirements, a separation distance
of at least 20 cm must be maintained between the antenna of this device and all
persons. This device must not be co-located or operating in conjunction with any

To comply with FCC RF exposure compliance requirements, a separation distance
of at least 2.2 cm must be maintained between the antenna of this device and all
persons. This device must not be co-located or operating in conjunction with any
other antenna or transmitter, without further RF Exposure evaluation.

Document Created: 2010-08-31 14:36:03
Document Modified: 2010-08-31 14:36:03

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