SWSecurity Declaration 190601

FCC ID: T8GNTG6NEM

Cover Letter(s)

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FCCID_4349224

HARMAN AUTOMOTIVE DIVISION HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH BECKER-GOERING-STRASSE 16 76307 KARLSBAD, GERMANY TEL: +49 7248 71 3382 FAX: +49 7248 71 4667 E-MAIL: STEFAN.BLASCHEK@HARMAN.COM Harman Becker Automotive Systems GmbH | Postfach 2260 | 76303 Karlsbad To whom it may concern Karlsbad, 2019-06-01 SW Security Declaration WiFi 5GHz – NTG6N Related to product: Type of equipment: automotive headunit Brand name: Mercedes-Benz FCC ID: T8GNTG6NH / T8GNTG6NEM IC ID: 6434A-NTG6NH / 6434A-NTG6NEM Dear Ladies and Gentleman, we hereby declare that above mentioned device is programmed to operate only in the following frequencies: 2.4 GHz Band, Frequency Range 2.401 - 2.482 GHz • Channels 1-11 (BW 22 MHz) • Channels 1-11 (BW 20 MHz) • Channels 3 and 11 (BW 40 MHz) 5GHz Band, In Canada, the device won’t operate in the frequency range 5.6 – 5.65 GHz (channels within this range won’t be used) • Frequency Range 5.170 – 5.330 GHz o Channels 36-64 (BW 20 MHz) o Channels 38-62 (BW 40 MHz) o Channels 42 and 58 (BW 80 MHz) • Frequency Range 5.490 – 5.730 GHz o Channels 100-144 (BW 20 MHz) (Except 120, 124, 128 in Canada) o Channels 102-142 (BW 40 MHz) (Except channels 118 and 126 in Canada) o Channels 106 and 138 (BW 80 MHz) (not in channel 122 in Canada) Operation modes, DFS and TPC This device does not support Ad-Hoc / Wi-Fi hotspot mode in 5 GHz frequency band where the device operates as a client device without Radar detection. Ad-hoc / Wi-Fi hotspot feature is limited to 11 channels available in 2.4 GHz frequency band. As client device, this product does not initiate transmission of any probes, beacons and does not initiate Ad-Hoc operations when not associated with and under the control of a certified master device, according to Section 15.202 of FCC rules. Geschäftsführung: Holger Mann, Michael Mauser Vorsitzender des Aufsichtsrats: Dr. Frank Groth Sitz der Gesellschaft: Karlsbad | Amtsgericht Mannheim: HRB-Nr. 361395

Future changes in this device will not change theses operational characteristics, in any mode of operation. Software security description per KDB 594280 D02: NTG6N will be installed within car by OEM 1. Describe how any software/firmware customer. Service (as SW updates) will be updates for elements than can affect the executed by car service garages or Over-The- device’s RF parameters will be obtained, Air from OEM customer server. End downloaded, validated and installed. For customer has no possibility to do SW update. software that is accessed through manufacturer’s website or device’s Additionally, all SW update packages are management system, describe the different signed and the signature is verified on the levels of security as appropriate. system before new SW can be installed. 2. Describe the RF parameters that are modified by any software/firmware without any hardware changes. Are these parameters RF Parameters are determined by the binary in some way limited such that any other image. The end user cannot modify RF General software/firmware changes will not allow the parameters. Description device to exceed the authorized RF characteristics? All software is signed by using public-private key signatures. No software is installed without valid signatures. 3. Describe in detail the authentication protocols that are in place to ensure that the The installed SW is verified on each boot source of the RF-related software/firmware is using the Secure Boot mechanism which valid. Describe in detail how the RF-related ensures that the SW has not been software is protected against modification. altered/changed. No port available/open to install any software or do changes on the existing one. Seite 2 / 4

The SW is checked on each startup using Secure Boot with digital signatures and a fused public key (not changeable). Further 4. Describe in detail any encryption methods parts are integrity protected using dm-verity. used to support the use of legitimate RF- The update/installation data of RF related software/firmware. parameters is encrypted and secure by the secure SW update process. Changes in the RF parameters at runtime are only done by SW covered by secure boot. 5. For a device that can be configured as a master and client (with active or passive Device is master and Client. scanning), explain how the device ensures By configuration file (clm/blob) which is compliance for each mode? In particular if the written during production and protected device acts as master in some band of it is ensured that only allowed channels and operation and client in another; how is modes are used. EndCustomer has no compliance ensured in each band of possibility to change that configuration file. operation? Not possible for 3rd parties to load any 1. Explain if any third parties have the software or drivers. Country settings can capability to operate a U.S.-sold device on any only be changed by Daimler and authorized other regulatory domain, frequencies, or in service garages. any manner that may allow the device to System is bind to car and cannot be used operate in violation of the device’s outside its regulatory domain. authorization if activated in the U.S. Option is not provided for any third party usage. Third-Party 2. Describe, if the device permits third-party Access software or firmware installation, what Control mechanisms are provided by the manufacturer to permit integration of such functions while ensuring that the RF parameters of the device cannot be operated outside its authorization Not possible for 3rd parties to load any for operation in the U.S. In the description software or drivers. include what controls and/or agreements are in place with providers of third-party functionality to ensure the devices’ underlying RF parameters are unchanged and how the manufacturer verifies the functionality. Seite 2 / 4

3. For Certified Transmitter modular devices, The parameters are adjusted during describe how the module grantee ensures that manufacturing process and cannot be host manufacturers fully comply with these changed at later time. software security requirements for U-NII devices. If the module is controlled through driver software loaded in the host, describe how the drivers are controlled and managed such that the modular transmitter RF parameters are not modified outside the grant of authorization. In case of any question please do not hesitate and contact us. With kind regards i.V. i.V. Stefan Blaschek Simon Vögele Regulatory Compliance Management Regulatory Compliance Management Harman Infotainment Division Harman Infotainment Division Harman Becker Automotive Systems GmbH Harman Becker Automotive Systems GmbH Becker-Göring-Straße 16 Becker-Göring-Straße 16 76307 Karlsbad 76307 Karlsbad Phone: +49 7248 71 3382 Phone: +49 7248 71 3667 Fax: +49 7248 71 3802 Fax: +49 7248 71 3802 Mobile: +49 172 94 191 49 Mobile: +49 175 4366188 Email: stefan.blaschek@harman.com Email: simon.voegele@harman.com Web: www.harman.com Web: www.harman.com Seite 2 / 4


Document Created: 2019-07-05 10:44:24
Document Modified: 2019-07-05 10:44:24
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