1、 TSB-159 APRIL 20R/11-2011Private Land Mobile Radio Two-Way Mobile Equipment Radio Frequency (RF) Electromagnetic Exposure (EME) Test Report Guidelines NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufactur
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22、TATIONS. iiFORWARD This forward is not part of this Telecommunications Systems Bulletin (TSB). This TSB is the product of work undertaken by the EME working group of the TIA TR8.17 RF Exposure Engineering Subcommittee. TR8.17 is a subcommittee of TIA TR8 Private Land Mobile Engineering Committee and
23、 addresses RF exposure matters of Private Radio products. The members of TR8.17 and the members of the EME Working Group appreciate the need to provide clear and consistent information documenting device compliance with the appropriate regulatory RF Exposure requirements. During the review of RF Exp
24、osure Test Reports previously submitted to relevant regulatory bodies the members of the Working Group encountered wide variety in the formats of the reports submitted. While the Working Group believes the devices covered in these test reports previously submitted demonstrate compliance with all nec
25、essary regulatory requirements, the Working Group found the diversity of the test report format made the review of the report contents time-consuming, confusing and inefficient. The Working Group realized a more uniform reporting format would likely improve the efficiency of the review process by re
26、ducing if not eliminating the confusion encountered during the review of previously submitted RF Exposure Test Reports. The Working Group believes the amount of time necessary to adequately review the test reports will decrease significantly if reviewers know exactly where the information being soug
27、ht is located in the test report. The sole purpose of this Bulletin is to suggest a consistent RF Exposure test report format for mobile two way land mobile radio products. This Bulletin does not alter, in any way, the relevant regulatory requirements for RF Exposure. The information in this Bulleti
28、n is intended to be solely informative. iiiPrivate Land Mobile Radio Two-Way Mobile Equipment Radio Frequency (RF) Electromagnetic Exposure (EME)Test Report Guidelines TABLE OF CONTENTS Forward ii Table of Contents iii 1. INTRODUCTION .1 1.1. Scope.1 1.2. Relevant Documents2 1.3. Definitions 2 2. SU
29、GGESTED TEST REPORT CONTENTS3 2.1. Cover Page4 2.2. Test Report Table of Contents.4 2.3. Introduction and Overview .5 2.4. References, Standards and Guidelines .5 2.4.1 MPE Limits.5 2.5. Description of Device Under Test (DUT) .6 2.6. Description of Test System6 2.6.1. Description of Ground Plane or
30、Test Vehicle and Antenna locations 6 2.6.2. Description of Test Site.7 2.6.3. Description of Measurement Equipment.7 2.7. Additional Test Equipment.7 2.8 DUT Test Strategy and methodology.7 2.8.1 DUT Configuration 7 2.8.2. Test Plan.7 2.8.3. Environmental Test Conditions8 2.9. Test Results Summary.8
31、 2.10. Conclusion .8 2.11. Appendices 9 ANNEX A.1 Suggested Cover Page Format Template A ANNEX A.2 Suggested Test Report Format Template B 1Private Land Mobile Radio Two-Way Mobile Equipment Radio Frequency (RF) Electromagnetic Exposure (EME) Test Report Guidelines 1. INTRODUCTION Exposure to radio
32、frequency (RF) energy has been identified as an environmental factor to be considered before a radio transmitter will be certified by various regulatory agencies. Federal Communications Commission (FCC) Office of Engineering and Technlogy (OET) Bulletin 65 (Evaluating Compliance with FCC Guidelines
33、for Human Exposure to Radiofrequency Electromagnetic Fields, edition 97-01, August 1997) outlines various EME evaluation methods as they apply to mobile, portable and base station Land Mobile Radio Products and provides assistance in determining whether a proposed or existing transmitting facility,
34、operation or device complies with established FCC RF Exposure requirements. 47 CFR Code of Federal Regulations (CFR) 2.1091, 2.1093, 1.1307(b) and 1.1310 require RF exposure compliance for fixed, mobile and portable transmitting devices. 47 CFR 1.1310 lists the field strength and power density limit
35、s that are applicable to mobile and fixed transmitters. 47 CFR 2.1093 (d) lists the specific absorption rate (SAR) limits for portable transmitters that are applicable for general population and for occupational exposure conditions. OET Bulletin 65 (97-01), Supplement C (01-01) to OET Bulletin 65, A
36、merican National Standards Institute/Institute of Electrical and Electronics Engineers, Inc. (ANSI/IEEE) C95.3, National Council on Radiation Protection and Measurements (NCRP) Report 119, and Industry Canada (IC) Radio Standards Specification(RSS) -102 also provide guidance on RF exposure evaluatio
37、n for meeting field strength, power density and SAR requirements. Numerous rules sections and other documents discuss RF exposure requirements and methods to be used for verification of compliance with such requirements, but there exists no information outlining any recommended formats for reports s
38、ubmitted to document compliance with relevant RF Exposure requirements. 1.1. Scope To recommend uniform format guidelines that can be used in the preparation of test reports submitted to the FCC and other relevant regulatory agencies, where such mobile two-way radio equipment test reports are intend
39、ed to document compliance with relevant regulatory RF Exposure requirements. 21.2. Relevant Documents This Telecommunications Systems Bulletin (TSB) ought to be interpreted in conjunction with definitions and procedures described in the following documents: IEEE C95.1-1999 IEEE C95.3-2002 47 CFR 1.1
40、307, 1.1310, 2.1091 and 2.1093 FCC OET Bulletin 65, edition 97-01 Supplement C to OET Bulletin 65, edition 01-01 (June 2001 release) NCRP Report No. 86, 1986 IC RSS-102, Issue 1, 1999. 1.3. Definitions 1.3.1. Portable 2-way device1For purposes of FCC RF exposure requirements, a portable device is de
41、fined as a transmitting device designed to be used with its radiating structures located within 20 centimeters of a persons body. Portable devices are evaluated for RF exposure compliance with respect to specific absorption rate (SAR) limits. 1.3.2. Mobile 2-way device2For purposes of FCC RF exposur
42、e requirements, a mobile device is defined as a transmitting device designed to be used in other than fixed locations3and to be generally used in such a way that a separation distance of at least 20 centimeters is normally maintained between the transmitters radiating structures and the body of the
43、user and nearby persons. A 2-way radio operating with a vehicular-mounted antenna is an example of a mobile transmitter device. Mobile devices are normally evaluated for RF exposure compliance with respect to field strength or power density limits. When appropriate, mobile devices may also be evalua
44、ted with respect to SAR limits to demonstrate compliance. 1.3.3. FCC RF Exposure Limits The RF exposure limits adopted by the FCC are generally based on recommendations from the National Council on Radiation Protection and Measurements (NCRP) Report No. 86 and the American National Standards Institu
45、te (ANSI/IEEE) C95.1-1992.4In the frequency range from 100 MHz to 1500 MHz, exposure limits for field strength and power density are also generally based on guidelines recommended by the American 1See 47 CFR 2.1093 2See 47 CFR 2.1091 3In this context, the term “fixed location“ means that the device,
46、 including its antenna, is physically secured at a permanent location and is not able to be easily moved to another location. 4NCRP Report No. 86, “Biological Effects and Exposure Criteria for Radiofrequency Electromagnetic Fields“, sections 17.4.1, 17.4.1.1, 17.4.2 and 17.4.3; copyright NCRP, 1986,
47、 Bethesda, Maryland 20814. ANSI/IEEE C95.1-1992, “IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz”, Section 4.1; copyright 1992 by the Institute of Electrical and Electronics Engineers, Inc., New York, New York 10017. 3FCC RF
48、 exposure compliance for mobile devices is determined according to the frequency dependent field strength and power density limits described in 47 CFR 1.1310. The SAR limits for portable devices are described in 47 CFR 2.1093. 1.3.4 Maximum Permissible Exposure (MPE)5The rms and peak electric and ma
49、gnetic field strengths, their squares, or the plane-wave equivalent power densities associated with these fields and the induced and contact currents to which a person may be exposed without harmful effect and with an acceptable safety factor. 1.3.5. RF Exposure Categories 1.3.5.1. Controlled environment The occupational/controlled exposure limits are applicable to situations in which persons are exposed as a consequence of their employment, and such persons have been made aware of the pot
