FCCID.CO- FCC ID Database
HomeCompaniesEquipment ClassesSearch

© 2026 FCC ID Database. All rights reserved.

AboutContactData sourced from FCC public records
  1. Home/
  2. HYUNDAI MOBIS CO., LTD./
  3. TQ8-RKE-4F31

TQ8-RKE-4F31Remote Keyless Entry

HYUNDAI MOBIS CO., LTD.
Remote Keyless Entry - FCC ID TQ8-RKE-4F31 - HYUNDAI MOBIS CO., LTD.
Click to zoom

Application Details

Equipment Class
DSC - Part 15 Security/Remote Control Transmitter
Date of Grant
Mar 29, 2015
Application Purpose
Original Equipment
Date of Application
Mar 29, 2015
Equipment Note
Remote Keyless Entry
Frequency Range
433.92000000 - 433.92000000
Company
HYUNDAI MOBIS CO., LTD.
Country
South Korea

Documents & Files

Select a file to view

Users Manual

↗
↗

Cover Letter(s)

↗
↗

External Photos

↗

ID Label/Location Info

↗

Internal Photos

↗

Test Report

↗

Test Setup Photos

↗

Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

Hyundai MOBIS Co., Ltd. RKE-4F31 Remote Keyless Entry User Manual OUTLINE 1.How to use RKE-4F31 - RKE-4F31 is Remote Keyless System. - This unit controls door lock/unlock/trunk/panic with wireless. 2.Introduction of Transmitter (RKE-4F31) - Transmitter has three buttons - Transmitter use the battery - Frequency is 433.92MHz GENERAL DESCRIPTION PRIMARY FUNCTION - Remote door lock/unlock/trunk /panic - Operating distance : over 30m - Id input (setting mode) Manual 1) LOCK Button If the LOCK button is pushed over 30ms, then TRANSMITTER sends the LOCK Data. 2) UNLOCK Button If the UNLOCK button is pushed over 30ms, then TRANSMITTER sends the UNLOCK Data. 3) TAILGATE Button If the TAILGATE button is pushed over 1000ms, then TRANSMITTER sends the TAILGATE OPEN Data.

Users Manual

FCC Warning This equipment has been tested and found to comply with the limits for a ClassB digital device, pursuant to part 15 of the FCCRules. These limits are designedtoprovide reasonable protectionagainstharmful interference ina residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is noguarantee that interference will not occur ina particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ■Reorient or relocate the receiving antenna. ■Increasethe separation between the equipment and receiver. ■Connect the equipment into an outlet on a circuit different fromthat to which the receiver is connected. ■Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not causeharmful interference, and(2) this device must accept any interference received, including interference that may causeundesired operation. IC Warning "This device complies with Industry Canada licence-exempt RSS standard(s)." Operation is subject to the following conditions: (1) this device may not causeinterference, and (2) this device must accept any interference, including interference that may causeundesired operation of the device. Le présent appareil estconforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation estautorisée aux deux conditions suivantes : (1) l'appareil ne doit pas provoquer de brouillage, et (2) l'appareil doitacceptertoutbrouillageradioélectriquesubi, mêmesilebrouillageestsusceptibled'en compromettre le fonctionnement.

Cover Letter(s)

Hyundai MOBIS Co., Ltd. 203, Teheran‐ro, Gangnam‐gu, Seoul, 135‐977, Korea Tel. 82‐31‐260‐0092 11 February 2014 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 Letter of Authorization We, Hyundai MOBIS Co., Ltd. hereby authorize SGS Korea Co., Ltd. to act on our behalf in all matters of certification. Any and all acts carried out by SGS Korea on our behalf shall have the same effect as acts of our own. This authorization is valid until further written notice. Sincerely, __________________________ Seung Hoon Choe Senior Researcher Hyundai MOBIS Co., Ltd.

Cover Letter(s)

Hyundai MOBIS Co., Ltd. 203, Teheran‐ro, Gangnam‐gu, Seoul, 135‐977, Korea Tel. 82‐31‐260‐0092 30 March 2015 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 Request of Confidentiality for FCC ID: TQ8‐RKE‐4F31 To Whom It May Concern: Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules (CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, Hyundai MOBIS Co., Ltd. hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short‐Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04‐1705. This provision will give Hyundai MOBIS Co., Ltd. temporary confidentiality of commercially sensitive information prior to product release. The requested Permanent and Temporary Confidential exhibits are listed as follows: CONFIDENTIAL LIST Permanent 1 Block Diagram 2 Operational Descriptions 3 Schematics Short‐Term 4 External Photos 5 Internal Photos 6 Test‐Setup Photos 7 User’s Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Sincerely, __________________________ Seung Hoon Choe Senior Researcher Hyundai MOBIS Co., Ltd.

External Photos

External photos of EUT Front view of EUT Rear view of EUT Top view of EUT Bottom view of EUT Side view of EUT

ID Label/Location Info

Label Information RKE ‐ 4F31 Label FCC ID: TQ8-RKE-4F31 FCC MODEL: RKE-4F31 IC: 5074A-RKE4F31 IC MODEL: RKE-4F31 LABEL Made in Korea Hyundai MOBIS Co., Ltd. BACK SIDE OF EUT Label Position Hyundai MOBIS Co., Ltd.

Internal Photos

Internal photos of EUT Internal view of EUT Top view of Main PCB Bottom view of Main PCB PCB Antenna

Test Report

Report Number:F690501/RF-RTL008541 Page:2of18 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGSKoreaCo.,Ltd.(GunpoLaboratory)4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 435-040 http://www.sgsgroup.kr RTT5041-20(2014.01.20)(2)Tel. +82 31 428 5700 / Fax. +82 31 427 2370 A4(210 mmx297 mm) TABLE OF CONTENTSPage 1. General Information -----------------------------------------------------------------------3 2. Field Strength of Fundamental ----------------------------------------------------------6 3. Spurious Emission--------------------------------------------------------------------------11 4. Bandwidth of Operation Frequency----------------------------------------------------13 5. Transmission Time--------------------------------------------------------------------------15 6. Duty Cycle Correction Factor------------------------------------------------------------17 Report Number:F690501/RF-RTL008541 Page:3of18 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGSKoreaCo.,Ltd.(GunpoLaboratory)4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 435-040 http://www.sgsgroup.kr RTT5041-20(2014.01.20)(2)Tel. +82 31 428 5700 / Fax. +82 31 427 2370 A4(210 mmx297 mm) 1. General Information 1.1. Testing Laboratory SGS Korea Co., Ltd. (Gunpo Laboratory) - Wireless Div. 2FL, 10-2, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 435-837 All SGS services are rendered in accordance with the applicable SGS conditions of service available on request and accessible athttp://www.sgs.com/en/Terms-and-Conditions.aspx. Phone No.:+ 82 31 688 0901 Fax No.:+ 82 31 688 0921 1.2. Details of applicant Applicant:Hyundai Mobis Co., Ltd. Address:203, Teheran-ro, Gangnam-gu, Seoul, 135-977 Republic of Korea Contact Person:Choi, Seung-Hoon Phone No.:+82 31 260 0098 1.3. Description of EUT Kind of Product Remote Keyless Entry Model Name RKE-4F31 Power Supply DC 3.0 V (Lithium type of battery) Frequency Range Tx: 433.92㎒ Modulation Type FSK Number of Channels 1 Antenna Type PCB Antenna Report Number:F690501/RF-RTL008541 Page:4of18 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGSKoreaCo.,Ltd.(GunpoLaboratory)4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 435-040 http://www.sgsgroup.kr RTT5041-20(2014.01.20)(2)Tel. +82 31 428 5700 / Fax. +82 31 427 2370 A4(210 mmx297 mm) 1.4. Test Equipment List EquipmentManufacturerModelS/NCal Date Cal Interval Cal Due. Signal GeneratorAgilentE8257DMY51501169Jul. 17, 2014AnnualJul. 17, 2015 Spectrum AnalyzerAgilentN9030AMY53120526Jul. 17, 2014AnnualJul. 17, 2015 Spectrum AnalyzerR&SFSV30103100Jul. 16, 2014AnnualJul. 16, 2015 DC power SupplyAgilentU8002AMY48490027Dec. 22, 2014AnnualDec. 22, 2015 AttenuatorMini-CircuitsBW-N20W5+0950-4Dec. 23, 2014AnnualDec. 23, 2015 PreamplifierH.P.8447F2944A03909Aug. 27, 2014AnnualAug. 27, 2015 PreamplifierR&SSCU-1810117Dec. 26, 2014AnnualDec. 26, 2015 High Pass FilterMini-CircuitsNHP-800+VUU16801113-2Jul. 01, 2014AnnualJul. 01, 2015 High Pass FilterWainwrightWHK3.0/18G-10SS344Jun. 10, 2014AnnualJun. 10, 2015 EMI Test ReceiverR&SESU26100109Mar. 03, 2015AnnualMar. 03, 2016 Loop AntennaSCHWARZBECKFMZB15191519-039Jul. 09, 2013BiennialJul. 09, 2015 Bilog AntennaSCHWARZBECKVULB9163396Jun. 07, 2013BiennialJun. 07, 2015 Horn AntennaR&SHF906100326Dec. 10, 2013BiennialDec. 10, 2015 Antenna MasterINN-COMM4000N/AN.C.R.N/AN.C.R. Turn TableINN-CODS 1200SN/AN.C.R.N/AN.C.R. Anechoic ChamberSY Corporation L × W × H (9.6 m × 6.4 m × 6.6 m) N/AN.C.R.N/AN.C.R. Report Number:F690501/RF-RTL008541 Page:5of18 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGSKoreaCo.,Ltd.(GunpoLaboratory)4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 435-040 http://www.sgsgroup.kr RTT5041-20(2014.01.20)(2)Tel. +82 31 428 5700 / Fax. +82 31 427 2370 A4(210 mmx297 mm) 1.5. Summary of Test Results The EUT has been tested according to the following specifications: APPLIED STANDARD Section in FCC Part 15 Test ItemResult 15.209(a) 15.231(b) Radiated emission, Spurious Emission and Field Strength of Fundamental Complied 15.231(c)Bandwidth of Operation frequencyComplied 15.231(a)Transmission TimeComplied 1.6. Test Report Revision RevisionReport numberDate of issueDescription 0F690501/RF-RTL0085412015. 03. 25Initial Report Number:F690501/RF-RTL008541 Page:6of18 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGSKoreaCo.,Ltd.(GunpoLaboratory)4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 435-040 http://www.sgsgroup.kr RTT5041-20(2014.01.20)(2)Tel. +82 31 428 5700 / Fax. +82 31 427 2370 A4(210 mmx297 mm) 2. Field Strength of Fundamental 2.1. Test Setup The diagram below shows the test setup that is utilized to make the measurements for emission from 9㎑ to 30㎒Emissions. The diagram below shows the test setup that is utilized to make the measurements for emission from 30㎒ to 1㎓Emissions. Report Number:F690501/RF-RTL008541 Page:7of18 The results shown in this test report refer only to the sample(s) tested unless otherwise stated. This test report cannot be reproduced, except in full, without prior written permission of the Company. SGSKoreaCo.,Ltd.(GunpoLaboratory)4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 435-040 http://www.sgsgroup.kr RTT5041-20(2014.01.20)(2)Tel. +82 31 428 5700 / Fax. +82 31 427 2370 A4(210 mmx297 mm…

Text truncated - open the document above for the full version.

Test Setup Photos

Test setup photo of EUT A. Orthogonal planes of EUT - The testing was set in the three orthogonal planes and measured for each position (X, Y, Z). 1. X- axis 2. Y-axis 3. Z-axis B. Photo of Test setup (13.56 ㎑ ~ 30 ㎒) C. Photo of Test setup (30 ㎒ ~ 1 ㎓) D. Photo of Test setup (1 ㎓ ~ 4.5 ㎓) - DUT was tested in the X-axis

Contact Information

Applicant

Seung Hoon Choe(Senior Engineer)
[email protected]+82-31-260-0098Fax: +82-31-899-1788

Test Firm

SGS Korea Co., LtdHwang Gihee
[email protected]+82-31-688-0901Fax: +82-31-427-2370

Technical Specifications

#Rule PartsFrequency RangePower Output
115.231433.92 MHz - 433.92 MHz-
Confidentiality
Long Term

Other Applications from HYUNDAI MOBIS CO., LTD.

TQ8-FOB-4FC1U44

FOB Smart Key

Jul 20, 2026

Equipment Class

DSC - Part 15 Security/Remote Control Transmitter
TQ8-FOB-4FC1M44

FOB Smart Key

Jul 08, 2026

Equipment Class

DSC - Part 15 Security/Remote Control Transmitter
TQ8-FOB-4FC0U22

FOB Smart Key

Jun 17, 2026

Equipment Class

DSC - Part 15 Security/Remote Control Transmitter
TQ8-DCSA0ZZZGX

Car Infortainment System

Jun 17, 2026

Equipment Class

DSS - Part 15 Spread Spectrum Transmitter
TQ8-VCSA0ZZZXX

Car Infotainment System

Jun 17, 2026

Equipment Class

NII - Unlicensed National Information Infrastructure TX