RF Exposure

FCC ID: EWQ100WD

RF Exposure Info

Download: PDF
FCCID_1841286

FC CC-1300-mp peWD Page 1 of 3 REG GULA ATORY Y COMPLIA ANCE E REP PORT T TITLE: FCC & IC Te est Report for f 15.247 & RSS-210 F Frequency H Hopping Devvice Itron 100W+ AUTHOR: Roger Mulcahy M REV CCO DESCR RIPTION OF F CHANGE E DATE AP PPROVALS S Engineering g 001 INITIAL RELEASE R Regulatoryy REVISIO ON HISTO ORY 09nov12 2 Engineering g a initial uplo oad Regulatoryy Engineering g Regulatoryy Engineering g Regulatoryy NOTICE OF PRO OPRIETARY Y INFORMATIION Informationn contained hereein is proprietary and is property ofo ITRON, Inc. w where furnished w with a proposal, tthe recipient sha all use it solely to ev valuate the proposal. Where furn nished to a customer it shall be ussed solely for the e purposes of insspection, installa ation or maintenan nce. Where furnis shed to a supplie er, it shall be used solely in the pe erformance of woork contracted fo or this company. The informationn shall not be used or disclosed by b the recipient for f any other purp pose, whatsoeveer. ITRON CONFIDENT C TIAL

FCC-1300-mpeWD Page 2 of 3 Test Data Summary FCC 15.247 / IC RSS‐210; Frequency Hopping Transmitter; 100W+ – Residential, 903 MHz – 926.85 MHz for EUT FCC ID:EWQ100WD IC:864D‐100WD IC Device Models (for IC): 100WD and 100WRD Part Numbers: ERW‐1300‐201 through 220 Serial Numbers 69501161,69501228,67400051 OATS Registration Number: FCC 90716, IC 864D‐1 Pass/ Rule Description Spec Limit Max. Reading Fail Parts 1.1310 & Limits for Maximum 2 2.1091(mobile) or 2.1093 Permissible Exposure 0.315 mW / cm @ 20 cm 2 (portable)/RSS‐102 Sec 4.2 (MPE) formula 3.15 W/M @ 0.2 M Pass Rule versions: FCC Part 1; FCC Part 2; FCC Part 15, RSS‐102 Issue 4 (03‐2010); RSS‐210 Issue 8 (12‐2010); RSS‐Gen Issue 3 (12‐2010). Reference docs: ANSI C63.4‐2003; DA 00‐705 (03‐30‐2000); OET65 (08‐1997); OET65C (06‐2001); IEEE C95.3‐2002. Cognizant Personnel Name Title Roger Mulcahy Test Technician Name Title Jay Holcomb Regulatory Manager Name Title Jason Woodruff Project Lead CONDITIONS DURING TESTING No Modifications to the EUT were necessary during the testing. FCC 15.31(m) – IC _n/a_; Number of Channels This device was tested on three channels. ANSI C63.4 - Temperature and Humidity During Testing The temperature during testing was within +10º C and +40º C. The Relative humidity was between 10% and 90%. RSS-Gen 4.3: Tests shall be performed at ambient temperature EQUIPMENT UNDER TEST (EUT) DESCRIPTION Itron declares that the EUT tested was representative of a production unit. EQUIPMENT UNDER TEST EUT Module Manuf: Itron, Inc. Itron Model: Itron 100W+ and 100WP+ Endpoint Serial Number(s) Listed Below Power source Fresh Batteries Plot Information In the zero span measurements, the line in the display is the trigger level. Peripheral Devices None ITRON CONFIDENTIAL REV a

FCC-1300-mpeWD Page 3 of 3 15.247(a)(1) 1.1310 & 2.1091(mobile) or 2.1093(portable) / RSS-102 Sec 4.2-Canada Safety Code 6; Table 5 Maximum Permissible Exposure (MPE) Radiofrequency radiation exposure limits. - The criteria listed in Table 1 shall be used to evaluate the environmental impact of human exposure to radiofrequency (RF) radiation as specified in §1.1307(b), except in the case of portable devices which shall be evaluated according to the provisions of §2.1093 of this chapter. 1.1307 (b) In addition to the actions listed in paragraph (a) of this section, Commission actions granting construction permits, licenses to transmit or renewals thereof, equipment authorizations or modifications in existing facilities, require the preparation of an Environmental Assessment (EA) if the particular facility, operation or transmitter would cause human exposure to levels of radiofrequency radiation in excess of the limits in §§1.1310 and 2.1093 of this chapter. unit 69501228 unit 46550128 Field EIRP conducted power conducted antenna antenna gain strength (dbuV/m) (dbm) (dbm) power (watts) gain (dbi) numeric 109.27 15.27 8.54 .0072 6.73 4.710 120.69 26.69 21.84 .153 4.85 3.036 126.01 32.00 25.89 0.388 6.11 4.083 Determine the maximum power density for the general / uncontrolled population minimum separation distance of 20 cm. (fMHz / 1500 mW/cm2 == fMHz / 150 W/M2 ) The power density is calculated as: Pd = power density in mW/cm2 Pt × G Pt = transmit power in milliwatts Pd = 4×π × r2 G = numeric antenna gain r = distance between body and transmitter in centimeters. FCC Limits: 926.8MHz / 1500 = 0.618 mW / cm2 @ 20cm IC Limits: 926.8MHz / 150 = 6.18 W / M2 (@ 0.2M) Power level E Max antenna gain = 6.11 dBi = 4.083 numeric Max TX power = 25.89 dBm = .388 milliwatts results: PD = (388 x 4.083) / ( 4 x pi x 20cm2) = 0.315 mW / cm2 @ 20 cm W/m2 = 10 times mW/cm2 = 3.15 W/M2 @ 0.2 M Power level C Max antenna gain = 4.85 dBi = 3.036 numeric Max TX power = 21.84 dBm = .153milliwatts results: PD = (153 x 3.036) / ( 4 x pi x 20cm2) = 0.0294 mW / cm2 @ 20 cm W/m2 = 10 times mW/cm2 = .294 W/M2 @ 0.2 M Power level 8 Max antenna gain = 6.73 dBi = 4.710 numeric Max TX power = 8.54 dBm = .0072 milliwatts results: PD = (7.2x 4.710) / ( 4 x pi x 20cm2) = 0..0068 mW / cm2 @ 20 cm W/m2 = 10 times mW/cm2 = ..068W/M2 @ 0.2 M ITRON CONFIDENTIAL REV a


Document Created: 2012-11-09 10:09:00
Document Modified: 2012-11-09 10:09:00
© 2024 FCC.report
This site is not affiliated with or endorsed by the FCC