Fcc part 15 information to user, Commercial mobile alerting system (cmas), System (cmas) – Samsung SPH-M840MBAVMU User Manual
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model phone, this site uses the phone FCC ID 
number which is usually printed somewhere on 
the case of the phone. Sometimes it may be 
necessary to remove the battery pack to find the 
number. Once you have the FCC ID number for a 
particular phone, follow the instructions on the 
website and it should provide values for typical 
or maximum SAR for a particular phone. 
Additional SAR information can also be obtained 
at 
.
FCC Part 15 Information to
User
Pursuant to part 15.21 of the FCC Rules, you are 
cautioned that changes or modifications not 
expressly approved by Samsung could void your 
authority to operate the device. 
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. 
Note: This equipment has been tested and found 
to comply with the limits for a Class B digital 
device, pursuant to part 15 of the 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 and, if not installed and used in 
accordance with the instructions, 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 turning the equipment off and on, 
the user is encouraged to try to correct the 
interference by one or more of the following 
measures: 
•
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and
receiver.
•
Connect the equipment into an outlet on a circuit
different from that to which the receiver is
connected.
•
Consult the dealer or an experienced radio/TV
technician for help.
Commercial Mobile Alerting
System (CMAS)
This device is designed to receive wireless 
emergency alerts from the Commercial Mobile 
Alerting System ("CMAS"; which may also be 
known as the Personal Localized Alerting 
Network ("PLAN")). If your wireless provider has 
chosen to participate in CMAS/PLAN, alerts are 
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