User's Manual

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b) The testing should check for emissions that may occur due to the intermixing of emissions with
the other transmitters, digital circuitry, or due to physical properties of the host product
(enclosure). This investigation is especially important when integrating multiple modular
Dipole Antenna, 2.25dBi transmitters where the certification is based on testing each of them in a
stand-alone configuration.
It is important to note that host product manufacturers should not assume that because the
modular transmitter is certified that they do not have any responsibility for final product
compliance.
c) If the investigation indicates a compliance concern the host product manufacturer is obligated
to mitigate the issue. Host products using a modular transmitter are subject to all the applicable
individual technical rules as well as to the general conditions of operation in Sections 15.5, 15.15,
and 15.29 to not cause interference. The operator of the host product will be obligated to stop
operating the device until the interference has been corrected
7.9 Additional testing, Part 15 subpart B disclaimer
The final host / module combination need to be evaluated against the FCC Part 15B criteria for
unintentional radiators in order to be properly authorized for operation as a Part 15 digital
device.
The host integrator installing this module into their product must ensure that the final composite
product complies with the FCC requirements by a technical assessment or evaluation to the FCC
rules, including the transmitter operation and should refer to guidance in KDB 996369.
Frequency spectrum to be investigated For host products with certified modular transmitter, the
frequency range of investigation of the composite system is specified by rule in Sections
15.33(a)(1) through (a)(3), or the range applicable to the digital device, as shown in Section
15.33(b)(1), whichever is the higher frequency range of investigation.Operating the host product
When testing the host product, all the transmitters must be operating. The transmitters can be
enabled by using publicly-available drivers and turned on, so the transmitters are active. In
certain conditions it might be appropriate to use a technology-specific call box (test set) where
accessory devices or drivers are not available.
When testing for emissions from the unintentional radiator, the transmitter shall be placed in the
receive mode or idle mode, if possible. If receive mode only is not possible then, the radio shall
be passive (preferred) and/or active scanning. In these cases, this would need to enable activity
on the communication BUS (i.e. SDIO, USB) to ensure the unintentional radiator circuitry is
enabled. Testing laboratories may need to add attenuation or filters depending on the signal
strength of any active beacons (if applicable) from the enabled radio(s). See ANSI C63.4, ANSI
C63.10 and ANSI C63.26 for further general testing details.
The product under test is set into a link/association with a partnering WLAN device, as per the
normal intended use of the product. To ease testing, the product under test is set to transmit at a
high duty cycle, such as by sending a file or streaming some media content.
Any Changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment. 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.