OBBREMOTERFREMOTE RF

FCC CORRESPONDENCE REGARDING RULES INTERPRETATION Zubiel RF Systems, Inc. P.O. Box 1184 • Monument, CO 80132 Tel: (719) 488-8535 • Fax: (719) 488-8546 • e-mail: [email protected] April 2, 1998 Mr. Ray LaForge FCC-OET Customer Service Branch SUBJECT: Remote Control Transmitter Dear Mr. LaForge: I am currently designing an RF remote control transmitter for a client who will market it as part of a classroom training system. The purpose of the device is to periodically control certain functions within the classroom. The transmitter consists of 24 momentary contact pushbuttons for the selection and transmission of fixed recognition codes, and will not transmit any other type of "data". Transmission duration will not exceed 250 milliseconds. Based on the response letter (Control number 950524A, attached) from your office regarding a very similar device, I plan on designing the transmitter to comply with the periodic transmission requirements, field strength requirements, and bandwidth limits of Sections 15.231(a)-(c). The carrier frequency will be crystal controlled, and will operate on one of 16 possible (DIP switch selectable) channels in the 425 to 430 MHz band. The modulation will be narrowband FSK, ± 3 KHz peak deviation. Please respond with any comments or questions. Sincerely, Stanley T. Zubiel RESPONSE LETTER REFERENCED: Control number : 950524A Date of letter : 5/24/95 Reply date : 5/26/95 Company name : Quantum Research Int'l Address 1 : 991 Discovery Dr Address 2 : City : Huntsville State : AL Zip : 35806 Country : United States Attn : Brian R. Dotson Subjects : Remote control scoreboard Rule parts : 15.231 Keywords : Remote control Remarks : Text of reply : Dear Mr. Dotson, This is in response to your inquiry regarding a remote controlled scoreboard/sign system consisting of a 418 MHz transmitter and an associated receiver/effector box. As described in your fax, the control transmitter will employ up to 48 momentary contact switches for the selection and transmission of fixed identification/control codes, and it will not transmit any other type of "data." You also state that the transmitter will be designed to comply with the periodic transmission requirements, field strength requirements, and bandwidth limits of Sections 15.231(a)-(c). Based on the above, it appears that the equipment design you have described is suitable for equipment authorization. The control transmitter will require certification and the receiver will require either certification (if superregenerative) or notification (if superheterodyne). The transmitter and receiver units will require separate FCC ID numbers and separate applications with appropriate fees, test reports, and supporting documentation. We will be mailing you a general information package with FCC application forms, bulletins, and other information which will be useful in the preparation of the necessary applications. I trust that this has satisfactorily responded to your inquiry. If you have any additional questions, please do not hesitate to contact me.

Page 1 REMINDER THAT RULES IMPLEMENTING SECTION 5301 OF THE ANTI-DRUG ABUSE ACT ARE NOW IN EFFECT. This is a reminder to all applic ants for equipment authorization (for both new and modified equipment, and all parties filing description of measurement facilities for measurement of equipment for equipment authoriza- tion), that the Commission rules adopted in the REPORT and ORDER (R&O) in General Docket 9 0-312 (F CC 91-397) on December 27, 1991, to implement Section 5301 of the Anti-Drug Abuse Act of 1 988 have now become effective. Requests for equipment authoriz ati ons that i nvolve the filing of a specific form, e.g., FCC Form 731, the following certification provision will be incorporated into the specific form upon revision: By checking yes, the applicant certifies that, in case of an individual applicant, he or she is not subject to a denial of federal benefits, that i ncludes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862, or in the case of a non-i ndividual applicant (e.g., corporation, partnership or other unincorporated association), no party to the application is subject to a denial of federal b enefits, that includes FCC benefits, pursuant to that section. For a definition of a "party" for these purposes see 47 C.F.R 1.2002(b). [x] Yes [ ] No The term "party to the application" includes if the applicant is an individual, that individual; if the applic ant is a corporation or uni ncorporated association, all officers, directors, or persons hol ding 5 percent or more of the outstanding stock or shares (voting and/or non-voting) of the applic ant; and if the applicant is a partnership, all non-limited partners and any li mit ed partners holding a 5 percent or more int erest in the partnership. A listing of affected applic ations, including FCC Form 731, is set forth in 47 CFR Section 1.2003 of the Com- mission’s Rules. Until FCC Form 731 is revised, the signature of the person filing the form shall be deemed to constitute the requisite certification, unl ess an exhibit is included stating that t he signature does not constitute such a certification and explaining why the applicant is unable to certify. The Commission’s new anti-drug policies and requirements also encompass certain FCC authorizations that are applied for without the use of a prescribed FCC form. These informal applications or letter requests include: 1. requests for Class II permissive changes in certified devices, made in letter format, pursuant to 47 CFR 2.1043; 2. requests for Class II permissive changes and modifications to type accepted devices, made in letter format, pursuant to 47 CFR 2.1001; 3. descriptions of measurement facilities performing compliance testing of equipment, pursuant to 47 CFR 2.9 48. 4. requests for advance approval of subscription TV systems, pursuant to 47 CFR 2.1400; Although not require d by the present rules, requests for Class II permissive changes in certified and type ac- cepted equipment should be made on FCC Form 731. Requests not filed on Form 731 must include the above certificati on. A limited number of copies of the R&O in Docket 90-312 are available free of charge by calling the special request number, (301) 725-1585, Ext 639. Inquiries concerning the R&O may be directed to Sharon Diskin, (202) 632-6990. Inquiries concerning the R&O, as it applies to Form 731 and related filings may be directed to Ruby Moore, (202) 725-1585, Ext 239.

Authorization Agreement FCC Part 15 Submittal appoint Criterion Technology to act as the authorized representative in the preparation of application for registration o f equipment under CFR 47 Part 15 of the Rules and Regulations of the Federal Communications Commission. I certify that the information pro- vided to the Criterion Technology properly describes the device or system which registration is sought. This Authorization Agreement, dated this expires on the \ lb day*&.& ,19%? day of$$?~b,: 19.5~; Applicant: \pub b\F$mm 61 b&w “(Company name t o whom Grant is issued Must agree with line 2(a) on FCC Form 731) (Street and/or mailing address) -q- &2@D w\*. wL-- &qcQ- (City, State and Zip Code) _-

Mr. Errol Chang Federal Communications Commission Office of Engineering and Technology 445 12 th Street S.W. Washington, D.C. 20554 Mike Mussler Criterion Technology PO Box 387 1350 County Road 16 Rollinsville, CO 80474 E-Mail: [email protected] 20 May 1999 Dear Mr. Chang, On behalf of our client, Yamaha Corporation of America, we request that the FCC treat application OBBREMOTERF (confirmation EA93763) as Confidential Information with regards to the Schematic and Block Diagram exhibits we submitted for the design. Our client is concerned about providing information on their design that would give their competition an advantage in the market they wish to sell their product. If you have any questions concerning our request, please do not hesitate to contact me. Sincerely, Mike Mussler

REMOTE RF Transmitter, External Front View REMOTE RF Transmitter, External Rear View

2.25 2.00 REMOTE RF YAMAHA Corporation of America This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC ID: OBBREMOTERF FCC ID LABEL REMOTE RF YAMAHA Corporation of America This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC ID: OBBREMOTERF LABEL LOCATION ON REAR OF REMOTE RF

2.25 2.00 REMOTE RF YAMAHA Corporation of America This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC ID: OBBREMOTERF FCC ID LABEL REMOTE RF YAMAHA Corporation of America This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC ID: OBBREMOTERF LABEL LOCATION ON REAR OF REMOTE RF

TEST REPORT April 2, 1999 1:31 pmZSI 9902 1701a Page 1 of 26 CONFIDENTIAL AND PROPRIETARY QUALIFICATION TEST REPORT EMISSIONS -FCC Part 15 Test Report Number:ZSI 9902 1701a Date of Issue: 3/23/99 Model No: REMOTE RF Date of Test Article Receipt: 3/2/99 Type of product: Part 15 Intentional Radiator Manufacturer:Yamaha Corporation of America Address: Test Results:[X] Complies [ ] Does Not Comply _____R. Barry Wallen_________________Lab Director _____Michael E. Mussler _______________Compliance Engineer Accredited Since 1993 TEST REPORT April 2, 1999 1:31 pmZSI 9902 1701a Page 2 of 26 CONFIDENTIAL AND PROPRIETARY Disclaimers: This report is the confidential property of the client. For the protection of our clients and ourselves, extracts from this test report cannot be produced without prior written approval from Criterion Technology. Reproduc- tion of the complete report can be performed at the client’s discretion. The client is aware that Criterion Technology has performed testing in accordance with the applicable stan- dard(s). Test data is accurate within ANSI parameters for Emissions testing, unless a specific level of accuracy has been defined in writing prior to testing, by Criterion Technology and the client. Criterion Technology reports apply only to the specific Equipment Under Test (EUT) sample(s) tested under the test conditions described in this report. If the manufacturer intends to use this report as a document demon- strating compliance of this model, additional models of this product must have electrical and mechanical char- acteristics identical to the device tested for this report. Criterion Technology shall have no liability for any deductions, inferences, or generalizations drawn by the client or others from Criterion Technology issued reports. Total liability is limited to the amount invoiced for the testing of this EUT and the contents of this report are not warranted. Compliance with the appropriate governmental standards is the responsibility of the manufacturer. Any questions regarding this report should be directed to: Laboratory Director Criterion Technology P.O. Box 387 1350 County Road 16 Rollinsville, Colorado 80474 Phone: 1-303-682-6600 Fax:1-303-682-6672 email: [email protected] Criterion Technology has been accredited by the following groups: NVLAP, VCCI, BCIQ, NMi (EU Compe- tent Body Accreditation) and Industry Canada. All Criterion Technology instrumentation and accessories used to test products for compliance to the indicated standards are calibrated regularly in accordance with ISO 9001, ISO Guide 25, ANSI/NCSL Z540-I-1994 and are traceable to national standards. TEST REPORT April 2, 1999 1:31 pmZSI 9902 1701a Page 3 of 26 CONFIDENTIAL AND PROPRIETARY Table of Contents Section 1Executive Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Section 2Emissions Test Standards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Part 2.1FCC Part 15 Subpart C –Intentional Radiated Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Section 3Test Setup Photographs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Section 4Original Test Data / Plots. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Part 4.1 Radiated Emissions Data, 30 MHz to 1000 MHz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Part 4.2 Radiated Emissions Data, 1000 MHz to 5000 MHz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Part 4.3 Radiated Emissions Plot, 30 MHz to 1000 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Part 4.4 Radiated Emissions Plot, 1000 MHz to 5000 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Part 4.5 Emission Bandwidth Plot, 435.6 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Part 4.6 Transmission Duration Plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Section 5Product Information Forms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 TEST REPORT April 2, 1999 1:31 pmZSI 9902 1701a Page 4 of 26 CONFIDENTIAL AND PROPRIETARY TEST REPORT April 2, 1999 1:31 pmZSI 9902 1701a Page 5 of 26 CONFIDENTIAL AND PROPRIETARY Section 1Executive Summary The test article was in compliance with all the test standards listed below. FCC Part 15 Subpart AGeneral FCC Part 15 Subpart CIntentional Radiators, 15.231 All test methods were performed in accordance with the standards listed above. TEST REPORT April 2, 1999 1:31 pmZSI 9902 1701a Page 6 of 26 CONFIDENTIAL AND PROPRIETARY TEST REPORT April 2, 1999 1:31 pmZSI 9902 1701a Page 7 of 26 CONFIDENTIAL AND PROPRIETARY Section 2Emissions Test Standards The emissions tests were performed according to following standards: FCC Part 15, Subpart C, Paragraph 15.231 Other: TEST REPORT April 2, 1999 1:31 pmZSI 9902 1701a Page 8 of 26 CONFIDENTIAL AND PROPRIETARY Part 2.1 FCC Part 15 Subpart C –Intentional Radiated Fields Measurement or radiated emissions (electric field) in the frequency range of 30 MHz-1000 MHz were tested in a horizontal and vertical polarization as indicated below: Environmental conditions in the lab: Date(s) of Test:mm/dd/yy 3/2/99 ________________ Temperature: 71° F Rel. Humidity 15% Test Voltage[ ]120 V, 60Hz [X] 9.0 VDC*, Hz *Battery Powered Te s t l o c a t i o n : [X]Criterion Technology Open Area Test Site [ ]Pre-Scan In Semi-Anechoic Chamber [ ]Not applicable Test distance (antenna - EUT): [ ]1 meter[ ]Preliminary Measurement[ ]Final Measurement [X]3 meters[X]Preliminary Measurement[X]Final Measurement, f > 1000 MHz [X]10 meters[X]Preliminary Measurement[X]Final Measurement, f < 1000 MHz [ ]30 meters[ ]Preliminary Measurement[ ]Final Measurement [ ]Not appl…

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REMOTERF Test Setup, Close-up of EUT REMOTERF Test Setup, Front View REMOTERF Test Setup, Rear View