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. CWTWB1U821

CWTWB1U821Remote Keyless Entry Transmitter

ALPS ALPINE CO., LTD.
Remote Keyless Entry Transmitter - FCC ID CWTWB1U821 - ALPS ALPINE CO., LTD.
Click to zoom

Application Details

Equipment Class
DSR - Part 15 Remote Control/Security Device Transceiver
Date of Grant
May 25, 2010
Application Purpose
Original Equipment
Date of Application
May 25, 2010
Equipment Note
Remote Keyless Entry Transmitter
Frequency Range
315.00000000 - 315.00000000
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

↗

Operational Description

↗

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.

External Photos

  TestreportReference:MDE_ALPS_1001_FCCaPage23of32    Photo3:EUT(enclosureopen,bottomandtopoutsideview)   Photo4:EUT(enclosureopen,bottomandtop,insideview)

ID Label/Location Info

INSERT Actual insert for the housing with the new FCC ID is not available yet. A cut out of the drawing for the drawing is used.

Internal Photos

  TestreportReference:MDE_ALPS_1001_FCCaPage24of32   Photo5:PCB(bottomside)   Photo6:PCB(topside) 

Test Report

7 layers AG Aufsichtsratsvorsitzenderh Registergerichth registered in: Borsigstrasse 11 Chairman of the Supervisory Board: Düsseldorf, HRB 44096 40880 Ratingen, Germany Markus Becker USt-IdNr h VAT No.: Phone: +49 (0) 2102 749 0 Vorstandh Board: DE 203159652 Fax: +49 (0) 2102 749 350 Wilfried Klassmann TAX No. 147/5869/0385 www.7Layers.com InterLab ® is a registered trademark of 7 layers AG FCC Measurement/Technical Report on Vehicle remote keyless entry transmitter TFWB1U822 Report Reference: MDE_ALPS_1001_FCCc Test Laboratory: 7 layers AG Borsigstrasse 11 40880 Ratingen Germany email: [email protected] DGA-PL-192/99-02 Note: The following test results relate only to the devices specified in this document. This report shall not be reproduced in parts without the written approval of the testing laboratory. Test report Reference: MDE_ALPS_1001_FCCc Page 2 of 32 Table of Contents 0 Summary 3 0.1 Technical Report Summary 3 0.2 Measurement Summary 4 1 Administrative Data 5 1.1 Testing Laboratory 5 1.2 Project Data 5 1.3 Applicant Data 5 1.4 Manufacturer Data 5 2 Test object Data 6 2.1 General EUT Description 6 2.2 Product labeling 6 2.3 EUT Main components 7 2.4 Ancillary Equipment 7 2.5 EUT Setups 7 2.6 Operating Modes 7 3 Test Results 8 3.1 Spurious radiated emissions 8 3.2 Duty cycle measurement (based on dwell time measurement) 12 3.3 Peak power output 13 3.4 Occupied bandwidth 14 4 Test Equipment 15 5 Photo Report 23 6 Setup Drawings 26 7 Annex measurement plots 27 7.1 Duty cycle measurement (based on dwell time measurement) 27 7.2 Occupied bandwidth 31 Test report Reference: MDE_ALPS_1001_FCCc Page 3 of 32 0 Summary 0.1 Technical Report Summary Type of Authorization Certification for an Intentional Radiator (Periodic operation in the band above 70 MHZ) Applicable FCC Rules Prepared in accordance with the requirements of FCC Rules and Regulations as listed in 47 CFR Ch.1 Parts 2 (10-1-09 Edition) and 15 (10-1-09 Edition). The following subparts are applicable to the results in this test report. Part 2, Subpart J - Equipment Authorization Procedures, Certification Part 15, Subpart C – Intentional Radiators § 15.201 Equipment authorization requirement § 15.207 Conducted limits § 15.209 Radiated emission limits; general requirements § 15.231 Periodic operation in the band 40.66-40.70 MHz, above 70 MHz Note: none Summary Test Results: The EUT complied with all performed tests as listed in chapter 0.2 Measurement Summary. Test report Reference: MDE_ALPS_1001_FCCc Page 5 of 32 1 Administrative Data 1.1 Testing Laboratory Company Name: 7 Layers AG Address Borsigstr. 11 40880 Ratingen Germany This facility has been fully described in a report submitted to the FCC and accepted under the registration number 96716. The test facility is also accredited by the following accreditation organisation: - Deutscher Akkreditierungs Rat DAR-Registration no. DGA-PL-192/99-02 Responsible for Accreditation Scope: Dipl.-Ing. Bernhard Retka Dipl.-Ing. Robert Machulec Dipl.-Ing. Andreas Petz Report Template Version: 2010-01-28 1.2 Project Data Responsible for testing and report: Dipl.-Ing. Robert Machulec Date of Test(s): 2010-02-10 and 2010-05-20 Date of Report: 2010-05-25 1.3 Applicant Data Company Name: ALPS Automotive Inc. Address: 1500 Atlantic Boulevard 48326 Auburn, Michigan USA Contact Person: Mr. John Cabigao 1.4 Manufacturer Data Company Name: please see applicant data Address: Contact Person: Test report Reference: MDE_ALPS_1001_FCCc Page 6 of 32 2 Test object Data 2.1 General EUT Description Equipment under Test vehicle remote keyless entry transmitter Type Designation: TFWB1U822 Kind of Device: (optional) 315 MHz transmitter Voltage Type: DC Voltage level: 3.0 V General product description: The vehicle remote keyless entry transmitter is a wireless handheld remote control unit.(Transmitter only, periodic operation in the band above 70 MHz)the operating frequency is 315 MHz. The transmitter is activated manually by a switch and is deactivated automatically within 5 seconds after release of the switch. The EUT provides the following ports: Ports enclosure The main components of the EUT are listed and described in Chapter 3.2 2.2 Product labeling 2.2.1 FCC ID label Please refer to the documentation of the applicant. 2.2.2 Location of the label on the EUT Please refer to the documentation of the applicant. Test report Reference: MDE_ALPS_1001_FCCc Page 7 of 32 2.3 EUT Main components Type, S/N, Short Descriptions etc. used in this Test Report Short Description Equipment under Test Type Designation Serial No. HW Status SW Status Date of Receipt EUT A (Code: 1H031a01) vehicle remote keyless entry transmitter TFWB1U822 - TFWB1U822 3SQ01383T 10-02-2010 Remark: EUT A is equipped with an integral antenna (gain= -15.2 dBi). NOTE: The short description is used to simplify the identification of the EUT in this test report. 2.4 Ancillary Equipment For the purposes of this test report, ancillary equipment is defined as equipment which is used in conjunction with the EUT to provide operational and control features to the EUT. It is necessary to configure the system in a typical fashion, as a customer would normally use it. But nevertheless Ancillary Equipment can influence the test results. Short Description Equipment under Test Type Designation HW Status SW Status Serial no. FCC ID - 2.5 EUT Setups This chapter describes the combination of EUTs and ancillary equipment used for testing. Setup No. Combination of EUT’s Description Setup_a01 EUT A setup for measurements 2.6 Operating Modes This chapter describes the operating modes of the EUT's used for testing. Op. Mode Description of Operating Modes Remarks op-mode 1 periodic operation Transmitter is sending a pulse coded signal op-mode 2 continues operation Transmitter is sending a CW signal continuously. Special op mode for test purpose only. Test report Reference: MDE_ALPS_1001_FCCc Page 8 of 32 3 Test Results 3.1 Spurious radiated emissions Standard FCC Part 15, 10…

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

Test Setup Photos

  TestreportReference:MDE_ALPS_1001_FCCaPage22of32 5 PhotoReport  Photo1:Testsetupforradiatedmeasurementsbelow1GHz   Photo2:Testsetupforradiatedmeasurementsabove1GHz

Contact Information

Applicant

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

Test Firm

7layers AGRobert Machulec
[email protected]49-2102-749-313Fax: 49-2102-749-350

Technical Specifications

#Rule PartsFrequency RangePower Output
115.231315 MHz - 315 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