FCCID.CO- FCC ID Database
HomeCompaniesEquipment ClassesSearch

© 2026 FCC ID Database. All rights reserved.

AboutContactData sourced from FCC public records
  1. Home/
  2. ALPS ALPINE CO., LTD./
  3. CWTWD1U827

CWTWD1U827UNIT ASSY IMMOBI & KEYLESS

ALPS ALPINE CO., LTD.
UNIT ASSY IMMOBI & KEYLESS - FCC ID CWTWD1U827 - ALPS ALPINE CO., LTD.
Click to zoom

Application Details

Equipment Class
DCD - Part 15 Low Power Transmitter Below 1705 kHz
Date of Grant
Jul 10, 2012
Application Purpose
Original Equipment
Date of Application
Jul 10, 2012
Equipment Note
UNIT ASSY IMMOBI & KEYLESS
Frequency Range
0.12500000 - 0.12500000
Company
ALPS ALPINE CO., LTD.
Country
Japan

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

Immobilizer Function Ke yless Function LOCK Button UNLOCK Button Trunk Button The connector is arran ged as shown in the figure below. Terminal No.I/O A- BI/O CI/O DI/O EI/O F- G- ■CAUTION■ MAX 2mA(@12.5V 25°C) at standby Weight Consumption current spec MAX 230mA(@12.5V 25°C) at operation User's Manual GND S-NET K-LINE This unit is installed in vehicle. It performs communication with keyless unit by LF, processes RF signal from keyless unit, and performs actions according to the signal. Unit Assy Immobi&Keylesscommunicates with the transponder in the hand unit when the user inserts the hand unit in the key cylinder, and it rotates Product name : UNIT ASSY IMMOBI &KEYLESS Type : TWD1U827 Terminal Name When the user pushes LOCK, UNLOCK, and the TRUNK button of HAND UNIT, the RF electric wave is output, and IMMOBI UNIT receives it, and an open lock, the close lock of the door, and the signal of the trunk o pening are output. W69xL90.8xH77.2(mm) FCC CAUTION B-CAN(-) B-CAN(+) IGN Operating voltage Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Size ・Give a shock. ・Get it wet. If it got wet, wipe and dry up. ・Disassembly and modification. Operation of frequency Please DO NOT the following. Engine is not started by failure of electronic parts. (Product can not receive the signal correctly) Pay attention to the following. ・It may not be operated when using the equipment of the same frequency band in the vicinity. Keyless DC9~16V Immobilizer DC6~16V +B AC/DC SupplyDC12V This device complies with Part 15 of FCC Rules and Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of this device. 0.075kg Operating temperature range -40~+85 degree C RF : 313.85MHz LF: 125kHz HUND UNIT UNIT ASSY IMMOBI&KEYLESS IG1

External Photos

External Photo FRONTBACK UPDOWN RightLEFT

ID Label/Location Info

TWD1U827 FCC ID:CWTWD1U827 IC: 1788D-FWD1U827 Model: TWD1U827 T2AF0

Internal Photos

Internal Photo φ34.8 φ26.2 22.4 unit : mm

Test Report

Test report No. : 32KE0010-HO-01-B-R1 Page : 2 of 16 Issued date : July 3, 2012 Revised date : July 9, 2012 FCC ID : CWTWD1U827 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 CONTENTS PAGE SECTION 1: Customer information ..................................................................................................... 3 SECTION 2: Equipment under test (E.U.T.) ........................................................................................ 3 SECTION 3: Test specification, procedures & results ........................................................................ 4 SECTION 4: Operation of E.U.T. during testing ................................................................................. 7 SECTION 5: Radiated emission (Fundamental and Spurious Emission) .......................................... 8 SECTION 6: -26dB Bandwidth ............................................................................................................ 10 SECTION 7: 99% Occupied Bandwidth ............................................................................................. 10 APPENDIX 1: Data of EMI test ........................................................................................................... 11 Radiated Emission below 30MHz (Fundamental and Spurious Emission) ................................. 11 Radiated Emission above 30MHz (Spurious Emission) ................................................................. 12 -26dB Bandwidth and 99% Occupied Bandwidth ......................................................................... 13 APPENDIX 2: Test instruments .......................................................................................................... 14 APPENDIX 3: Photographs of test setup ............................................................................................ 15 Radiated Emission ............................................................................................................................. 15 Worst Case Position .......................................................................................................................... 16 Test report No. : 32KE0010-HO-01-B-R1 Page : 3 of 16 Issued date : July 3, 2012 Revised date : July 9, 2012 FCC ID : CWTWD1U827 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 SECTION 1: Customer information Company Name : Alps Electric Co., Ltd. Address : 6-3-36, Nakazato, Furukawa, Osaki-city, Miyagi-pref, 989-6181, Japan Telephone Number : +81-229-23-5111 Facsimile Number : +81-229-22-3755 Contact Person : Toru Kinoshita SECTION 2: Equipment under test (E.U.T.) 2.1 Identification of E.U.T. Type of Equipment : UNIT ASSY IMMOBI & KEYLESS Model No. : TWD1U827 Serial No. : Refer to Clause 4.2 Receipt Date of Sample : Refer to Section 4, Clause 4.2 Country of Mass-production : June 20, 2012 Condition of EUT : Japan Modification of EUT : Engineering prototype (Not for Sale: This sample is equivalent to mass-produced items.) 2.2 Product description Model No: TWD1U827 (referred to as the EUT in this report) is the UNIT ASSY IMMOBI & KEYLESS. General Specification Clock frequency(ies) in the system : 8MHz, 16MHz, 29.4014MHz Radio Specification (Immobilizer System: LF Transceiving function) Equipment Type : Transceiver Frequency of Operation : 125kHz Type of Modulation : ASK Mode of Operation : Half duplex Antenna Type : Loop Antenna Method of Frequency Generation : Ceramic resonator Operating voltage (inner) : DC 12.0V Operating Temperature : -40 deg. C to +85 deg. C (Keyless Entry System: RF Receiving function) *1) Equipment type : Receiver Frequency of operation : 313.85MHz Type of modulation : FSK Antenna Type : Metallic Antenna Method of Frequency Generation : Crystal + PLL IC Local frequency : 313.65MHz IF frequency : 220 kHz Operating voltage (inner) : DC 12.0V Operating Temperature : -40 deg. C to +85 deg. C *1) Reference: EUT also has this function. Please refer to No. 32KE0010-HO-01-C. Test report No. : 32KE0010-HO-01-B-R1 Page : 4 of 16 Issued date : July 3, 2012 Revised date : July 9, 2012 FCC ID : CWTWD1U827 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 SECTION 3: Test specification, procedures & results 3.1 Test Specification Test Specification : FCC Part 15 Subpart C: 2012, final revised on May 17, 2012 and effective June 18, 2012 Title : FCC 47CFR Part15 Radio Frequency Device Subpart C Intentional Radiators Section 15.207 Conducted Emission Section 15.209 Radiated emission limits, general requirements FCC 15.31 (e) This test was performed with the New Battery (DC 12V) and the constant voltage was supplied to this EUT during the tests. Therefore, this EUT complies with the requirement. FCC Part 15.203 Antenna requirement It is impossible for end users to replace the antenna, because the antenna is mounted inside of the vehicle. Therefore, the equipment complies with the antenna requirement of Section 15.203. 3.2 Procedures and results No. Item Test Procedure Specification RemarksDeviation Worst marginResults 1 Conducted Emission <FCC> ANSI C63.4:2003 7. AC powerline conducted emission measurements <IC> RSS-Gen 7.2.4 <FCC> Section 15.207 <IC> RSS-Gen 7.2.4 - N/A *1) N/A N/A 2 Electric Field Strength of Fundamental Emission <FCC> ANSI C63.4:2003 13. Measurement of intentional radiators <IC> RSS-Gen 4.8, 4.11 <FCC> Section 15.209 <IC> RSS-210 2.5.1 RSS-Gen 7.2.5 Radiated N/A 19.6dB 0.12500MHz 0 deg. PK *2) Complied 3 Electric Field Strength of Spurious Emission <FCC> ANSI C63.4:2003 13. Measurement of intentional radiators <IC> RSS-Gen 4.9, 4.11 <FCC> Section 15.209 <IC> RSS-210 2.5.1 RSS-Gen 7.2.5 Radiated N/A 18.6dB 30.511MHz, Vertical, QP Complied 4 -26dB Bandwidth <FCC> ANSI C63.4:2003 13. Me…

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

Test Setup Photos

Test report No. : 32KE0010-HO-01-B-R1 Page : 15 of 16 Issued date : July 3, 2012 Revised date : July 9, 2012 FCC ID : CWTWD1U827 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 APPENDIX 3: Photographs of test setup Radiated Emission Photo 1 Photo 2 Test report No. : 32KE0010-HO-01-B-R1 Page : 16 of 16 Issued date : July 3, 2012 Revised date : July 9, 2012 FCC ID : CWTWD1U827 UL Japan, Inc. Head Office EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8116 Facsimile : +81 596 24 8124 Worst Case Position Below 30MHz: Y-axis Above 30MHz Hori:X-Axis Vert:X-Axis X-axis Y-axis Z-axis

Contact Information

Applicant

Yuji Ouchi
[email protected]229 23 5111Fax: 229 24 6334

Technical Contact

UL Japan, Inc.Takahiro Hatakeda
[email protected]81-596-24-8116

4383-326 Asama-cho, Ise-shi · Mie-ken · Japan

Test Firm

UL Japan, Inc. Head office EMC Lab.Tetsuya Hashimoto
[email protected]+81-596-24-8116Fax: +81-596-24-8095

Technical Specifications

#Rule PartsFrequency RangePower Output
115C0.125 MHz - 0.125 MHz-
Confidentiality
Long Term

Other Applications from ALPS ALPINE CO., LTD.

CWTUMNZ1A2

5G Communication Module

Oct 06, 2024

Equipment Class

PCB - PCS Licensed Transmitter
CWTB2311

Automatic access gesture control

Apr 09, 2024

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter
Sensor for opening and closing doors in cars - FCC ID CWTB230X - ALPS ALPINE CO., LTD.
CWTB230X

Sensor for opening and closing doors in cars

Feb 07, 2024

Equipment Class

FDS - Part 15 Field Disturbance Sensor
Automatic access gesture control - FCC ID CWTB2211 - ALPS ALPINE CO., LTD.
CWTB2211

Automatic access gesture control

Dec 26, 2023

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter
KEYLESS ENTRY SYSTEM - FCC ID CWTB1G496 - ALPS ALPINE CO., LTD.
CWTB1G496

KEYLESS ENTRY SYSTEM

Aug 01, 2021

Equipment Class

DSC - Part 15 Security/Remote Control Transmitter