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User's Manual

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Silicon Laboratories Finland Oy
Page 39 of 45
12 Certifications
12.1 Bluetooth
The WT41u module is Bluetooth qualified and listed as a controller subsystem and it is Bluetooth compliant to
the following profiles of the core spec version 2.1/2.1+EDR.
Baseband
HCI
Link Manager
Radio
The WT41u-E and WT41u-N radios have been tested using an external antenna with a maximum gain of 2.3
dBi and the Bluetooth qualification is valid for any antenna with the same or less gain.
12.2 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.
Any changes or modifications not expressly approved by Bluegiga Technologies could void the user’s
authority to operate the equipment.
FCC RF Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End
users must follow the specific operating instructions for satisfying RF exposure compliance. This transmitter
meets both portable and mobile limits as demonstrated in the RF Exposure Analysis. This transmitter must not
be co-located or operating in conjunction with any other antenna or transmitter except in accordance with FCC
multi-transmitter product procedures.
As long as the condition above is met, further transmitter testing will not be required. However, the OEM
integrator is still responsible for testing their end-product for any additional compliance requirements required
with this module installed (for example, digital device emissions, PC peripheral requirements, etc.).
OEM Responsibilities to comply with FCC Regulations
The WT41U Module has been certified for integration into products only by OEM integrators under the
following conditions:
The antenna(s) must be installed such that a minimum separation distance of 42 mm is maintained
between the radiator (antenna) and all persons at all times.