DFS Description letter

FCC ID: HD5-CN85L0N

Cover Letter(s)

Download: PDF
FCCID_4309853

                                                                                       Date: May 23, 2019
FCC ID: HD5-CN85L0N
Company: Honeywell International Inc

To Whom It May Concern,

AUTHORIZATION LETTER
Honeywell International Inc hereby authorizes Joanna Hung / Specialist of Bureau Veritas Consumer
Products Services (H.K.) Ltd., Taoyuan Branch (“BV CPS Taoyuan”), to act on its behalf in all matters
relating to the Federal Communication Commission (“FCC”) application for equipment authorization
in connection with the FCC ID listed above, including signing of all documents relating to these
matters. Any and all acts carried out by Joanna Hung / Specialist of BV CPS Taoyuan on Honeywell
International Inc’s behalf, within the scope of the powers granted herein, shall have the same effect as
acts of its own.

Request for Confidentiality
Pursuant to the provisions of Sections 0.457 and 0.459 of Commission’s rules (47CFR§§0.457, 0.459),
we are requesting the Commission to withhold the following attachments as confidential document
from public disclosure indefinitely.

      Schematic Diagram
      Block Diagram
      Operational Description
      Software Operational Description
      Parts List

Above mentioned document contains detailed system and equipment description are considered as
proprietary information in operation of the equipment. The public disclosure of above documents might
be harmful to our company and would give competitor an unfair advantage in the market.

In additional to above mentioned documents, pursuant to Public Notice DA 04-1705 of the
Commission’ s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the
importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains
confidential until the actual marketing of newly authorized devices. We are requesting the commission
to grant short-term confidentiality request on the following attachments until 180 days after the Grant
Date of Equipment Authorizations.

      External Photos
      Internal Photos
      Test Setup Photos
      Users Manual

It is our understanding that all measurement test reports, FCC ID label format and correspondent during
certification review process cannot be granted as confidential documents and those information will be
available for public review once the grant of equipment authorization is issued.


Label Location Declaration
There is no other space for putting the label on our device, except for the space of the battery compartment of
this device. The label will be put under the battery compartment and it is visible to the users as they
purchase the product and install the battery.


Declaration Letter for BT/WLAN
This is a WLAN/Bluetooth combination antenna. This WLAN/Bluetooth co-existence mechanism is to
ensure that the WLAN and Bluetooth transmitters would not simultaneously operate. Therefore, WLAN and
Bluetooth antenna for this device should not be considered to be able to transmit simultaneously.
Though the users can use WLAN and Bluetooth simultaneously, but the real situation is that WLAN and
Bluetooth are used by time sharing and no overlap transmission.


Declaration Letter for WLAN channels
The device does not support any non-US channels in all the operational mode(s). All non-US frequencies,
US 2.4G channel 12-13 and Country code selection are disabled through proprietary software and are not
user changeable.


DTS-UNII Device Declaration Letter
We have declared below featured for FCC equipment authorization,
(1)      DFS Device –
      Master
      Client with Radar detection capability
      Client without radar detection capability
      N/A
(2)      Active / Passive Scanning , ad-hoc mode access point capability
          Frequency Band      Active Scanning        passive scanning    Ad Hoc Mode or       Access point
              (MHz)           (the device can       (where the device     WIFI Direct          capability
                               transmit a probe     is can listen only     capability
                                   (beacon))         with no probes)
               5150-5250          Yes ,        No        Yes ,     No       Yes ,       No      Yes ,     No
               5250-5350          Yes ,        No        Yes ,     No       Yes ,       No      Yes ,     No
               5470-5725          Yes ,        No        Yes ,     No       Yes ,       No      Yes ,     No
               5725-5850          Yes ,        No        Yes ,     No       Yes ,       No      Yes ,     No


(3)      Country code selection ability -       Yes ,     No
If yes, please explain how it was implemented: (please also help to provide detail of options for each
country selection)


(4)      Meet 15.202 requirement     -      Yes,        No,
Please check below:
   A master device is defined as a device operating in a mode in which it has the capability to transmit
without receiving an enabling signal. In this mode it is able to select a channel and initiate a network by
sending enabling signals to other devices
   A client device is defined as a device operating in a mode in which the transmissions of the device are
under control of the master. A device in client mode is not able to initiate a network.
(5)     For client devices that have software configuration control to operate in different modes (active
scanning in some and passive scanning in others) in different bands (devices with multiple equipment
classes or those that operate on non-DFS frequencies) or modular devices which configure the modes of
operations through software, the application must provide software and operations description on how the
software and / or hardware is implemented to ensure that proper operations modes cannot be modified by
end user or an installer.


    Apply,         No Apply,      (If apply, please help to provide explanation on it was implement, and how
software was controlled)
Factory set only.



Should you have any question or comment regarding this matter, please have my best attention.


Sincerely yours,
                           Digitally signed by
                           venkat.dronamraju@honeywell.c
                           om
                           DN:
                           cn=venkat.dronamraju@honeyw
                           ell.com
                           Date: 2019.05.23 14:27:10 -04'00'


Venkat Dronamraju / Product Compliance
Honeywell International Inc
Tel: 803 835 8220
E-mail: Venkat.dronamraju@honeywell.com



Document Created: 2019-05-23 14:27:10
Document Modified: 2019-05-23 14:27:10

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