FCC ID: NYOMBECSCIM2106 SCIM (Security Cab & Interface Module)

Technical Introduction of SCIM Package 1 SCIM PACKAGE Configuration SCIM UNIT General Specifications Operating Voltage Range : 16V ~ 32V (nom 24V) Operating Temperature : -40 ~ 85 Storage Temperature : -40 ~ 100 LF Frequency : 125KHz RF Frequency : 433.92MHz(315MHz Only Japan) Dark Current Mode Operational, ref state ISS0 Standby State(LIN Sleep) Standby State(Security) Sleep State RFQ

< 40

< 4

< 3

< 0.3 Package 1. Size : 175 x 145 x 45 mm 2. Weight : Less than 300g Design and specification can be changed Proposal

< 30

< 2.5

< 2

< 0.3 2 / 9

<REFERENCE UNIT VIEW>

1 SCIM PACKAGE Configuration SCIM UNIT Mounting Layout Sliding assembly structure will be applied with its external case hook (Separate Bracket will not be applied) Mounting Proposal : 1st slot in the EC(Electrical Center) In order to meet RKE(RF) Operation Distance with 40M, Seoyon proposes the minimization of interruption made by metal material at RF radiated field Necessary to have 53mm separation from SCIM conductor material (Ideal Distance is more than 86mm)

<REFERENCE UNIT VIEW>

Mounting Point

< MOUNTING Proposal >

3 / 9 1 SCIM PACKAGE Configuration SCIM UNIT LF / RF BLOCK DIAGRAM RF Ex Antenna SAW Filter LF LF Antennas Door Handles Transponder Antenna Amplifier 24,74 MHz Crystal Driver Modules Transponder RF front-end XTO Power-

Transponder management interface Watchdog LF Chip Atmel ATA5291 I P S s e n i l t n e v E V 2 1

D D V s e n i l t n e v E RF receiver Atmel ATA5781 I P S V 5

D D V ECU 4 / 9 2 System Configuration Reaction Time Review FOB Searching Sequence LF&RF sending and receiving Sequence Start Stop or Toggle Button 20ms 1st 2nd 3rd LF Frequency : 125KHz RF Frequency : 433.92MHz LF Baud Rate : 3.91kbit/s RF Baud Rate : 9.6kbit/s RKE Baud Rate : 5kbit/s Encryption algorithm : AES128 RELAY output 10ms SCIM

(LF Send) FOB

(RF Receive) 15ms 24ms REGISTER SEARCH

(33ms) Common 1st 2nd AUTHENTICATION SEARCH 9.8ms 9.8ms 9.8ms 20ms LOCATION RF answer(33ms) AUTHENTICATION RF answer FOB Location determination Time: 66ms FOB Auth Time : 44ms 140ms ( for Fob 2EA ) 5 / 9 2 System Configuration Reaction Time Review Issue on quantity of FOB 35ms (FOB 4EA) 35ms (FOB 8EA) - Proposal 55.63ms ( for Fob 4EA ) 1st / 5st , 2st / 6st., 3st / 7st, 4st/8st RF DATA Overap 88ms (FOB 8EA) All keys do not overlap but have more action time

< Location RF Answer Time Slot >

6 / 9 3 System Configuration Search Areas Area II 2.5M 2.5M Area I WAL 2M 2M Technical Requirements LF Antenna Coverage : Over 3 meters FOB detected in Area I = Lock Standby FOB detected in Area II = Locking When the FOB is detected in Area I for more than 3 minutes in Lock Standby state, autodoor locking SAU FOB detected in Area II = Unlock Standby FOB detected in Area I = Unlocking WAL Lock Fail Warning Func. 7 / 9 4 System Configuration Security Issues (Relay Station Attack) Relay Attack Protection

: Using Angle of Multiple LF Antenna VAnt2 VAnt1 ANT1-2 ANT 1 ANT 2 8 / 9 5 System Configuration Security Issues (Relay Station Attack)

< Threshold Value >

VAnt2 VAnt1 ANT1-2 ANT 1 ANT 2 Magnitude of Vector = (, , ) Standard Deviation of RSSI value(X, Y, Z) No RSA Case : Standard Deviation > Threshold value RSA Case : Standard Deviation < Threshold value Angle between two vectors Angle Calculation No RSA Case : ANT1-2 > Threshold Value RSA Case : ANT1-2 < Threshold Value Test Results : RSA 100% Protection 9 / 9

CTK Co., Ltd.

(Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com Label and Location FCC ID : NYOMBECSCIM2106

Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID : NYOMBECSCIM2106 Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, we hereby request confidential treatment of information accompanying this application as outlined below:

Exhibit Type Block diagram Parts List Schematics File Name

(NYOMBECSCIM2106)_Block Diagram.pdf

(NYOMBECSCIM2106)_Part List.pdf

(NYOMBECSCIM2106)_Schematics.pdf

(NYOMBECSCIM2106)_Schematics_PCB Layout.pdf

(NYOMBECSCIM2106)_Operational Description.pdf Operational description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, NAME: Hee-Tack Ryu Applicant: MOBASE ELECTRONICS CO., LTD. Rev 11/20/07

Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date : December 18, 2020 SUBJECT: FCC Application for (FCC ID : NYOMBECSCIM2106) To Whom It May Concern:

We, the undersigned, hereby authorize Young-taek Lee at CTK on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by CTK on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, NAME: Hee-Tack Ryu Applicant: MOBASE ELECTRONICS CO., LTD.