mpe

FCC ID: 2AJXY-GW100

RF Exposure Info

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FCCID_4159866

313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 47 C.F.R. Part 1, Subpart I, Section 1.1310 47 C.F.R. Part 2, Subpart J, Section 2.1091 Maximum Permissible Exposure Calculations For Kinestral Technologies Inc M/N: GW100 802.15.4 Zigbee Transceiver EUT Device Category = General Population/Uncontrolled Exposure EUT consists of one ISM band radio transmitting operating over a range of: 2405 MHz to 2475 MHz MPE Summary: According subpart 1.1307 (b)(1) and 2.1091 systems operating under the provisions of this section shall be operated in a manner that ensures the public is not exposed to RF energy level in excess of the communication guidelines. Limits for General Population/Uncontrolled Exposure Limits for General Population/Uncontrolled Exposure Frequency Range Electric Field Magnetic Field Power Density Averaging Time (MHz) Strength (V/m) Strength (A/m) (mW/cm2) (Minutes) 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f2) 30 30-300 27.5 0.073 0.2 30 300-1500 / / f/1500 30 1500-100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density Gateway MPE Page 1 of 2 PROPRIETARY

313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 Calculated Formulary: Predication of MPE limit at a given distance S = power density (in appropriate units, e.g. mW/cm2) R = distance to the center of radiation of the antenna (appropriate units, e.g., cm) PG = EIRP MPE and Limit are calculated as follows: Output Antenna EIRP EIRP Power Density Limit f (MHz) Power Gain ∆ (dBm) (mW) (mW/cm^2) (mW/cm^2) (dBm) (dBi) 2405 15.41 2.0 17.41 55.08 0.011 1000 999.98 2440 14.65 2.0 16.65 46.24 0.009 1000 999.99 2475 14.67 2.0 16.67 46.45 0.009 1000 999.99 Result: The device meets FCC MPE limit at 20 cm for General Population/Uncontrolled Exposure as specified in 47 CRF §1.1310 and §2.1091. Gateway MPE Page 2 of 2 PROPRIETARY


Document Created: 2018-11-07 20:52:39
Document Modified: 2018-11-07 20:52:39
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