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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-W028 labeled as below. 

FCC ID: EW4DWMW028 

The proposed with FCC ID label format is to be placed on the module. If FCC ID is not 

visible when the module is installed into the system, “Contains FCC ID: EW4DWMW028” 

shall be placed on the outside of final host system. 

Caution: Exposure to Radio Frequency Radiation. 

Minimum 20cm safe separation distance warning required for the module which must 

comply with RF exposure requirement. 

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