BEK9E3UH16Wireless Microphone

April 1, 2002 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: BEK9E3UH16. Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: - Schematics 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,

EUT EXTERNAL PHOTOGRAPHS Chassis - Front View Chassis - Rear View Chassis - Top Side View

FCC ID LABELING AND LOCATION Proposed FCC ID Labeling Proposed FCC ID Location Body of EUT/Proposed FCC ID Location FCC ID: BEK9E3UH16

Preliminary 01/02 UH-16 UHF Wireless Microphone and Instrument System 16 Channel PLL Frequency Synthesized F. SPECIFICATIONS UH-16 Transmitters Models Available: UH-16 handheld mic RF Output Power: 1 mW-50 mW max (country and band dependent) Harmonic and Spurious Emissions: - 50 dB Audio Input Level with ± 25 KHz nom. deviation: UH-16: 24 mV RMS (nom.) Input Impedance: UH-16: 10K Ohms Controls: UH-16: Off/Mute/On switch, Channel Select Up/Down buttons Input Level Control, 3-way input select switch for: lavalier, head mic, or music instrument LED Indicator: Unit “ON” (single flash), Low Battery Alert (steady), Selected Channel Display, and Transmitter Active. Connectors: UH-16: None Antenna Type: UH-16: Integral Battery Type: 2 X AA alkaline Battery Life: 8-12 hours nominal Dimensions: UH-16: 8.75” x 1.4” (222 x 36 mm) Weight: UH-16: 6.9 oz (193g) (w/o batteries) G. SERVICE FOR YOUR NADY WIRELESS SYSTEM (U.S.) If you are experiencing operational problems with your system, check out the support page on the Nady website: www.nadywireless.com for help and for contacting the Nady Service Department. Should your Wireless System require service, you must contact the Nady Service Department at 510.652.2411 for a Return Authorization (R/A) Number and a service quote (if out of warranty). Make sure the R/A Number is clearly marked on the outside of package. Cashiers' check or money order is enclosed (if not prepaid with credit card), and ship the unit prepaid to: Nady Systems, Inc., Service Department, 6701 Shellmound Street, Emeryville, CA 94608. Include a brief description of the problem you are experiencing. For service of a unit under Warranty follow the instructions of your Warranty Card regarding Warranty Service. (International) For service, please contact the NADY distributor in your country through the dealer from whom you purchased this product. DO NOT ATTEMPT TO SERVICE THIS UNIT YOURSELF, AS THAT WILL VOID YOUR WARRANTY. Preliminary 01/02 NOTE: OPERATION OF THIS DEVICE IN THE U.S. IS SUBJECT TO THE FOLLOWING CONDITIONS: 1. THIS DEVICE MAY NOT CAUSE INTERFERENCE, AND 2. THIS DEVICE MUST ACCEPT INTERFERENCE, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION OF THE DEVICE.

TUNING PROCEDURE UH16 WIRELESS MICROPHONE UH16 Transmitter: 1: The following items are adjusted and measured according to scheme 1 a) RF Power Typical result = 13 dBm b) RF Frequency Typical result, CH 1 = 726.00 MHz, CH 16 = 745.90 MHz Adjustment = VC1 for correct frequency c) Drain Current Typical result = 120 mA d) Harmonics Typical result, Fx2 <-40 dBm, Fx3 <-45 dBm, others <-65 dBm e) Spurious Typical result = <-40 dBm f) Low Battery on Typical result = 2.2V g) VCO Voltage Typical result, CH 1=0.8V, CH 16=2.22V Adjustment = VC2 to center VCO control voltage range. (Scheme 1) 50 Ω Coaxial Cable Power mA Meter VDD TP2 TX Board ANT Spectrum Analyzer Voltage Meter 2: The following items are measured according to scheme 2 a) Pilot Tone Frequency Typical result, Tone 1= 32.768 KHz Tone 2= 30.720 KHz b) Pilot Tone Modulation Deviation Typical result = 6 KHz c) 1 kHz Audio Tone Modulation Distortion Typical result = <1 % (Scheme 2) 50 Ω Coaxial Cable 3: The following items are adjusted and measured according to scheme 3 a) Normal Deviation Typical result = 25 KHz for UHT-16 = 24 mV RMS At 400 Hz UB-16 = 225 mV RMS Adjustment = VR1 for microphone level b) Maximum Deviation Typical result = 200 KHz Power VDD MIC TX Board ANT Radio Communication Analyzer Sinewave Oscillator Oscilloscope Frequency Counter Distortion Meter (Scheme 3) 50 Ω Coaxial Cable Power VDD MIC TX Board ANT Sinewave Oscillator Modulation Meter Oscilloscope

Note: This test report is specially limited to the above client company and the product model only. It may not be duplicated without prior written consent of Bay Area Compliance Laboratory Corporation. This report must not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. FCC PART 74 EMI MEASUREMENT AND TEST REPORT For Nady Systems, Inc. 6701 Shellmond Street Emeryville, CA 94608 USA FCC ID: BEK9E3UH16 April 11, 2002 This Report Concerns: Original Report Equipment Type: Transmitter Test Engineer: Benjamin Jin Report Number: R0201188 Test Date: February 4, 2002 Reviewed By: Jeff Lee Prepared By: Bay Area Compliance Laboratory Corporation 230 Commercial Street Sunnyvale, CA 94085 Tel: (408) 732-9162 Fax: (408) 732 9164 Nady Systems, Inc. FCC ID: BEK9E3UH16 Report # R0201188_Rpt FCC Part 74 Test Report Page 2 of 20 TABLE OF CONTENTS 1 - GENERAL INFORMATION..................................................................................................................................3 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..............................................................................3 1.2 OBJECTIVE.............................................................................................................................................................3 1.3 TEST METHODOLOGY............................................................................................................................................3 1.4 TEST FACILITY.......................................................................................................................................................3 1.5 TEST EQUIPMENT LIST...........................................................................................................................................4 2 - REQUIREMENTS OF PROVISIONS ...................................................................................................................5 2.1 DEFINITION............................................................................................................................................................5 2.2 FREQUENCIES AVAILABLE.....................................................................................................................................5 2.3 REQUIREMENTS AND TEST SUMMARY...................................................................................................................6 2.4 LABELING REQUIREMENT......................................................................................................................................6 3 - OUTPUT POWER MEASUREMENT ..................................................................................................................7 3.1 PROVISION APPLICABLE.........................................................................................................................................7 3.2 TEST PROCEDURE..................................................................................................................................................7 3.3 TEST EQUIPMENT...................................................................................................................................................7 3.4 TEST RESULTS.......................................................................................................................................................7 4 - MODULATION CHARACTERISTICS ................................................................................................................9 4.1 PROVISION APPLICABLE.........................................................................................................................................9 4.2 TEST PROCEDURE..................................................................................................................................................9 4.3 TEST EQUIPMENT...................................................................................................................................................9 4.4 TEST RESULTS.......................................................................................................................................................9 5 - OCCUPIED BANDWIDTH OF EMISSION.......................................................................................................11 5.1 PROVISION APPLICABLE.......................................................................................................................................11 5.2 TEST PROCEDURE................................................................................................................................................11 5.3 TEST EQUIPMENT.................................................................................................................................................11 5.4 TEST RESULTS.....................................................................................................................................................11 5.5 EMISSION DESIGNATOR........................................................................................................................................11 6 - FIELD STRENGTH OF EMISSION ...................................................................................................................14 6.1 PROVISION APPLICABLE.......................................................................................................................................14 6.2 TEST PROCEDURE................................................................................................................................................14 6.3 TEST EQUIPMENT.................................................................................................................................................15 6.4 TEST RESULTS.........................................................................................................................…

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