Regulatory Compliance
FCC
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.
This equipment has been tested and found to comply with the limits pursuant to Part 15 Subpart B. FCC
Part 22 & Part 24 is covered by the "modular approval" process for the embedded wireless module. This
approach, described by FCC Public Notice DA 00-131407 released June 26, 2000, is intended to afford
relief to equipment manufacturers by eliminating the requirement for obtaining a new equipment
authorization for the same transmitter when installed in a new device.
These limits are designed to provide reasonable protection against harmful interference in an
appropriate installation. This equipment generates, uses, and can radiate radio frequency energy and, if
not used in accordance with instructions, can cause harmful radiation to radio communication.
However, there is no guarantee that interference will not occur in a particular installation.
RF EXPOSURE
Your device is a radio transmitter and receiver. It is designed and manufactured not to exceed the
emissions limits for exposure to radio frequency (RF) energy set by the Federal Communications
Commission (FCC) of the U.S. Government. These limits are part of comprehensive guidelines and
establish permitted levels of RF energy for the general population. These guidelines are based on the
safety standards previously set by the U.S. and international standards bodies. The standards include a
substantial safety margin designed to assure the safety of all persons, regardless of age and health.
The exposure standard for wireless RF devices, such as the device, employs a unit of measurement
known as the Specific Absorption Rate, or SAR. The SAR limit set by the FCC is 1.6W/kg. SAR values at or
below that limit are considered safe for the general public.
Before a wireless RF device is made available for sale to the Public, it must be tested and certified to the
FCC that it does not exceed the SAR limits established by the FCC. Tests for SAR are conducted using
the positions and locations (e.g., at the ear or worn on the body) as required by the FCC for each device
model.
In order to use this device without additional FCC certification approvals, the installation must meet the
following conditions:
For the transmitter to meet the MPE categorical exclusion requirements of 2.1091, the ERP must be less
than 1.5 watts for personnel separation distance of at least 20 cm (7.9 in). Therefore, the maximum
antenna gain cannot exceed +3.3dBi. If greater than 1.5 watts exists, then additional testing and FCC
approval is required.
MT 4100 User Guide 48
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