BYM400Base Station, Model SYS 400

15 April 1998 Chief, Equipment Authorization Branch Federal Communications Commission P. O. Box 358315 Pittsburgh, PA 15251-5315 RE:Application for HM ELECTRONICS, Base Station, Model SYS 400 FCC ID:TXBYM400 Dear Sir/Madam: Transmitted herewith, on behalf of HM ELECTRONICS, is the application (FCC Form 731) for the Equipment Authorization by the Type Acceptance Procedure for the Base Station, Model SYS 400. Please note that TÜV Product Service is the authorized agent for HM ELECTRONICS. Direct all communications and send the grant to TÜV Product Service. If you have any questions concerning this application, please contact me at 619 546 3999. Sincerely, Mary Washington EMC Engineer enclosures

Report No. S8473-08 (FCC ID: TXBYM400) Page 1 of 21 Rev.No 1.0 MEASUREMENT AND TECHNICAL REPORT EXHIBIT 2 HM ELECTRONICS 6675 Mesa Ridge Road San Diego, CA 92121-2937 DATE: 02 October 1998 This Report Concerns: Original Grant: XClass II Change: Equipment Type: Base Station, Model SYS 400 Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? Yes: Defer until: No: X Company Name agrees to notify the Commission by: N/A of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? Yes:*No: (*) FCC Part 2, Paragraphs 2.985, 2.989, , 2.991 and 2.993; and Part 90, Paragraph 90.217(b) Report Prepared by: TÜV PRODUCT SERVICE 10040 Mesa Rim Road San Diego, CA 92121-2912 Phone: 619 546 3999 Fax: 619 546 0364 Report No. S8473-08 (FCC ID: TXBYM400) Page 2 of 21 Rev.No 1.0 TABLE OF CONTENTS Pages 1GENERAL INFORMATION A3 1.1Product DescriptionA3 1.2Related Submittal GrantA13 1.3Tested System DetailsA13 1.4Test MethodologyA14 1.5Test FacilityA14 1.6Part 2 RequirementsA15 Production Quantity RF Output Power Frequency Tolerance Function of Each Semiconductor or Active Device Description of circuitry used for Suppression of Spurious Radiation DC Voltage Current Schematics - Appendix A User Manual - Appendix B Photograph, Internal (board) - Appendix C Photograph, Test Setup Appendix D BOM - Appendix E Tune Up Procedure Appendix F Equipment Specifications Appendix G Block Diagram Appendix H Product Labeling Appendix I 2SYSTEM TEST CONFIGURATION A20 2.1JustificationA20 2.2EUT Exercise SoftwareA20 2.3Special AccessoriesA20 2.4Equipment ModificationsA20 2.5Configuration of Tested SystemA20 33.1 CONDUCTED EMISSIONS DATA, EQUIPMENT, ETC. Appendix J A20 3.2 RADIATED MEASUREMENT DATA, EQUIPMENT, ETC. Appendix J A20 3.3 MODULATION CHARACTERISTICS Appendix K A20 CARRIER FREQUENCY STABILITY Appendix K A20 AUDIO LOW PASS FILTER RESPONSE Appendix K A20 AUDIO FREQUENCY RESPONSE Appendix K A20 4Cover Letters A20 5Signature Page A21 Report No. S8473-08 (FCC ID: TXBYM400) Page 3 of 21 Rev.No 1.0 1 GENERAL INFORMATION 1.1Product Description Base Station, Model SYS 400 Report No. S8473-08 (FCC ID: TXBYM400) Page 13 of 21 Rev.No 1.0 1 GENERAL INFORMATION (continued) 1.2Related Submittal/Grant None 1.3Tested System Details The FCC IDs for all equipment, plus descriptions of all cables used in the tested system are: None Report No. S8473-08 (FCC ID: TXBYM400) Page 14 of 21 Rev.No 1.0 1.4Test Methodology Purpose of Test:To demonstrate compliance with the ANSI C63.4 setup. Test Performed:x1. Conducted Emissions, FCC Part 2, Paragraphs 2.985, 2,989, 2.991, and Part 90, Para 90.217(b), 2. Radiated Emissions, EN55022: 1992 Class B limit, 30 - 1,000 MHz, 10 meters x3. Radiated Emission per FCC Part 2, Paragraph 2.993 4. Engineering evaluations 1.5Test Facility The open area test site and conducted measurement data were tested by: TÜV PRODUCT SERVICE 10040 Mesa Rim Road San Diego, CA 92121-2912 Phone: 619 546 3999 Fax: 619 546 0364 The Test Site Data and performance comply with ANSI 63.4 and are registered with the FCC, 7435 Oakland Mills Rd, Columbia Maryland 21046. All Measurement Data is acquired according to the content of FCC Measurement Procedure and ANSI C63.4, unless supplemented with additional requirements as noted in the test report. Report No. S8473-08 (FCC ID: TXBYM400) Page 15 of 21 Rev.No 1.0 1.6 Part 2 Requirements Emission Code 25K6F3E DC Voltage 243.6 mV Current 24.4 mA Production Quantity - 500 per year up to 2,000 in the third year. RF Output Power Frequency Tolerance Function of Each Semiconductor or Active Device Description of circuitry used for Suppression of Spurious Radiation DC Voltage Current Schematics - Appendix A User Manual - Appendix B Photograph, Internal (board) - Appendix C BOM - Appendix E Tune Up Procedure Appendix F Equipment Specifications Appendix G Block Diagram Appendix H Product Labeling Appendix I Report No. S8473-08 (FCC ID: TXBYM400) Page 20 of 21 Rev.No 1.0 2.SYSTEM TEST CONFIGURATION 2.1Justification The Base Station, Model SYS 400 was initially tested for FCC emission in the following configuration: See Block Diagram, Appendix H. 2.2EUT Exercise Software None 2.3Special Accessories None 2.4Modification None 2.5Configuration of Tested System See Block Diagram, Appendix H. 3.1 CONDUCTED EMISSIONS DATA, EQUIPMENT, ETC. Appendix J 3.2 RADIATED MEASUREMENT DATA, EQUIPMENT, ETC. Appendix J 3.3 MODULATION CHARACTERISTICS Appendix K CARRIER FREQUENCY STABILITY Appendix K AUDIO LOW PASS FILTER RESPONSE Appendix K AUDIO FREQUENCY RESPONSE Appendix K 4.Cover Letters - Appendix L Report No. S8473-08 (FCC ID: TXBYM400) Page 21 of 21 Rev.No 1.0 5SUMMARY: All tests according to the regulations cited on page 1 were n - Performed o - Not Performed The Equipment Under Test n - Fulfills the general approval requirements cited on page 1. o - Does not fulfill the general approval requirements cited on page 1. _______________________ - TÜV PRODUCT SERVICE, INC. - Responsible Engineer: Mary Washington (EMC Engineer)