FCCID.CO- FCC ID Database
HomeCompaniesEquipment ClassesSearch

ยฉ 2026 FCC ID Database. All rights reserved.

AboutContactData sourced from FCC public records
  1. Home/
  2. OKAYO Electronics Co., Ltd./
  3. NTMEJ-2LT3LT

NTMEJ-2LT3LTWireless Microphone

OKAYO Electronics Co., Ltd.
Wireless Microphone - FCC ID NTMEJ-2LT3LT - OKAYO Electronics Co., Ltd.
Click to zoom

Application Details

Equipment Class
TBF - Licensed Broadcast Transmitter Held to Face
Date of Grant
Sep 25, 2000
Application Purpose
Original Equipment
Date of Application
Aug 14, 2000
Equipment Note
Wireless Microphone
Frequency Range
174.50000000 - 214.75000000
Company
OKAYO Electronics Co., Ltd.
Country
Taiwan

Documents & Files

Select a file to view

Users Manual

โ†—

Block Diagram

โ†—

ID Label/Location Info

โ†—

Internal Photos

โ†—

Schematics

โ†—

Test Report

โ†—

Document Text

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

ID Label/Location Info

List of Exhibit EXHIBIT A Sample Label EXHIBIT B Test Report EXHIBIT C User Manual EXHIBIT D Circuit Diagram EXHIBIT E Block Diagram EXHIBIT F Photographs of EUT EXHIBIT A Sample Label LABEL Format: This device complies with Part 74 of the FCC Rules FCC ID:NTMEJ-2LT3LT LABEL Size: 22 X 13 mm LABEL Position:

Internal Photos

EXHIBIT F Photographs of EUT

Test Report

EXHIBIT B Test Report Test Report ------------------------------------------------------------------------------ 2/37 Report No.: E1474969 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Contents Chapter 0Application for Certification........................................................ 4 Chapter 1General 1.1 Introduction.................................................................................................................... 5 1.2 Description of Support Equipment.................................................................................. 5 1.3 Configuration of System Under Test................................................................................ 6 1.4 Location of the Measurement Site................................................................................... 6 1.5 General Test Condition................................................................................................... 6 Chapter 2Power Output Measurement 2.1 Rules and Specification Limits......................................................................................... 7 2.2 Measurement Condition and Setup................................................................................. 7 2.3 List of Measurement Instrument...................................................................................... 8 2.4 Measurement Configuration............................................................................................ 9 2.5 Measurement Result...................................................................................................... 10 Chapter 3Modulation Characteristics Measurement 3.1 Rules and Specification Limits........................................................................................ 11 3.2 Test Configuration & List of Test Instruments................................................................. 11 3.3 Measurement Condition & Setup................................................................................... 12 3.4 Frequency Response of Audio Low Pass Filter Measurement Condition & Setup........... 12 3.5 Modulation Limiting Measurement Condition & Setup.................................................... 12 Chapter 4Occupied Bandwidth Measurement & Calculation 4.1 Rules and Specification Limits........................................................................................ 15 4.2 Test Condition & Test Instruments................................................................................. 15 4.3 Measurement Procedure................................................................................................ 16 4.4 Measurement Result...................................................................................................... 16 Test Report ------------------------------------------------------------------------------ 3/37 Report No.: E1474969 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Chapter 5Field Strength of Spurious Radiation Measurement 5.1 Rules and Specification Limits........................................................................................ 17 5.2 Measurement Condition & Setup................................................................................... 17 5.3 List of Measurement Instruments.................................................................................... 18 5.4 Measurement Configuration........................................................................................... 19 5.5 Measurement Result...................................................................................................... 21 Chapter 6Frequency Stability Tolerance Measurement 6.1 Rules and Specification limits......................................................................................... 33 6.2 Measurement Condition & Setup with Temperature Variation......................................... 33 6.3 List of Measurement Instruments with Temperature Variation......................................... 33 6.4 Measurement Configuration with Temperature Variation................................................. 34 6.5 Measurement Result with Temperature Variation............................................................ 35 6.6 Measurement Condition & Setup with Voltage Variation................................................ 36 6.7 List of Measurement Instruments with Voltage Variation................................................. 36 6.8 Measurement Configuration with Voltage Variation........................................................ 36 6.9 Measurement Result with Voltage Variation................................................................... 37 Test Report ------------------------------------------------------------------------------ 4/37 Report No.: E1474969 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Chapter 0 Application for Certification 2.983 ( a ):E-J ELECTRONICS CO., LTD.โ€“ applicant and manufacturer 2.983 ( b ):The equipment is a transmitter, wireless microphone Model No.: EJ2LT, EJ-3LT 2.983 ( c ):Quantity production is planned 2.983 ( d ) ( 1 ):Type of emission โ€“ F3E- FM Modulation 2.983 ( d ) ( 2 ):100Hz ~ 21.22KHz 2.983 ( d ) ( 3 ):14.766 mW 2.983 ( d ) ( 4 ):Specification of 250 mW is met by the equipment in the applicable part 74.861 (e)(1) 2.983 ( d ) ( 5 ):Final RF amplifier stage current : 3V, UM-3*2 2.983 ( d ) ( 6 ):Description follows 2.983 ( d ) ( 7 ):Complete circuit diagrams are included. No modification was made 2.983 ( d ) ( 8 ):Instruction sheet to user included 2.983 ( d ) ( 9 ):Tune up procedure follows 2.983 ( d ) (11):Description follows 2.983 ( d ) (12):N/A Test Report ------------------------------------------------------------------------------ 5/37 Report No.: E1474969 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Chapter 1 GENERAL 1.1 Introduction : The following measurement report is submitted on behalf of E-J ELECTRONICS CO., LTDโ€ฆ

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

Contact Information

Applicant

Karl Yeh(Sales Manager)
[email protected]886 4 2491-4666Fax: 886 4 2491-3066

Technical Contact

Training Research Co., Ltd.Jack Tsai
[email protected]886-2-26935155

No. 2, Lane 194, Huan Ho Street, Hsichih, ยท Taipei Hsien ยท Taiwan

Non-Technical Contact

Training Research Co., Ltd.Jack Tsai
[email protected]886-2-26935155

Test Firm

Training Research Co., Ltd.Jack Tsai
[email protected]886-2-26935155Fax: 886-2-26934440

Technical Specifications

#Rule PartsFrequency RangePower OutputEmissionTolerance
174.861174.5 MHz - 214.75 MHz14.80 mW148KF3E0.0050000000 %

Other Applications from OKAYO Electronics Co., Ltd.

Portable Sound System - FCC ID NTMPA558081 - OKAYO Electronics Co., Ltd.
NTMPA558081

Portable Sound System

Oct 08, 2024

Equipment Class

DSS - Part 15 Spread Spectrum Transmitter
Group Guide System - FCC ID NTMEARME - OKAYO Electronics Co., Ltd.
NTMEARME

Group Guide System

Sep 26, 2023

Equipment Class

DTS - Digital Transmission System
Wireless Microphone System - FCC ID NTMDRAGONFLYDTX - OKAYO Electronics Co., Ltd.
NTMDRAGONFLYDTX

Wireless Microphone System

Aug 11, 2020

Equipment Class

DTS - Digital Transmission System
Group Guide System - FCC ID NTMOTG-102T - OKAYO Electronics Co., Ltd.
NTMOTG-102T

Group Guide System

Feb 07, 2020

Equipment Class

DTS - Digital Transmission System
Digital Tour Guide System Transmitter - FCC ID NTMWT-600T - OKAYO Electronics Co., Ltd.
NTMWT-600T

Digital Tour Guide System Transmitter

Feb 23, 2015

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter