MPE estimation

FCC ID: LKTERB-DS11

RF Exposure Info

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FCCID_121132

Test Report: Attach to BREFCC.14002.doc Date: September, 2000 HE R MON L AB OR AT OR IE S Table 1.2.2 Maximum peak output power test results Carrier Measured peak Peak output Antenna EIRP, EIRP Result frequency, output power, power limit, gain, dBm limit, MHz dBm dBm dBi dBm 2412 23.85 28 8 (external) 31.85 36 Pass 2412 19.65 20 16 (integral) 35.65 36 Pass 2412 11.75 12 24 (external) 35.75 36 Pass 2437 23.36 28 8 (external) 31.36 36 Pass 2437 19.86 20 16 (integral) 35.86 36 Pass 2437 11.86 12 24 (external) 35.86 36 Pass 2462 23.66 28 8 (external) 31.66 36 Pass 2462 19.96 20 16 (integral) 35.96 36 Pass 2462 11.96 12 24 (external) 35.96 36 Pass 1.2.3 Exposure limit according to part 1, §1.1310 Limit for power density for general population/uncontrolled exposure is 1 mW/cm2. π r2, where The power density P (mW/cm2) = PT / 4π PT - the transmitted power, which is equal to the transmitter output plus antenna gain. Maximal PT @ antenna gain 16 dBi is equal to 19.96 dBm + 16 dBi = 35.96 dBm = 3944.57 mW . 1(mW/cm2) = 3944.57 mW / 4π r2 The minimum allowed distance “r”, where RF exposure limits may not be exceeded, is 17.72 cm. r = sqrt ( PT / 4π) = sqrt( 3944.57/ (4 x 3.14)) = 17.72 (cm). The same limit is obtained at antenna gain 24 dBi (Maximal PT = 11.96 dBm + 24 dBi = 35.96 dBm). At antenna gain 8 dBi maximal PT is equal to 23.85 dBm + 8 dBi = 31.85 dBm and the minimum allowed distance is 11.04 cm. The EUT is an outdoor mounted unit, therefore the public cannot be exposed to dangerous RF level. Page 16 of 66


Document Created: 2000-10-16 11:10:49
Document Modified: 2000-10-16 11:10:49
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