Exhibit 11 MPE Evaluation

FCC ID: PY76220502-BV

RF Exposure Info

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FCCID_280201

Application PY76220502-BV Prediction of MPE limit at given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 PG S= 4πR 2 where: S = power density P = power input to the antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna The table below is excerpted from Table 1B of 47 CFR 1.1310 titled Limits for Maximum Permissible Exposure (MPE), Limits for General Population/Uncontrolled Exposure: 2 Frequency Range (MHz) Power Density (mW/cm ) Averaging Time (minutes) 300 – 1500 f/1500 30 1500 – 100.000 1.0 30 where f = frequency in MHz Prediction Antenna Type: 0dBi Antenna / 3dBi Antenna / 6 dBi Antenna GSM 850 GSM 1900 Maximum peak output power at antenna input 30.7 dBm 27.1 dBm terminal: Maximum peak output power at antenna input 1174,9 mW 512.86 mW terminal: Antenna gain(typical): 0 dBi 0 dBi Maximum antenna gain: 1 numeric 1 numeric Prediction distance: 20 cm 20 cm Prediction frequency: 839 MHz 1880 MHz MPE limit for uncontrolled exposure at mW mW prediction frequency: 1 1 cm 2 cm 2 Power density at prediction frequency: mW mW with Antenna Gain of 0dBi 0,234 0,102 cm 2 cm 2 Power density at prediction frequency: mW mW with Antenna Gain of 3dBi 0,467 0,204 cm 2 cm 2 Power density at prediction frequency: mW mW with Antenna Gain of 6dBi 0,934 0,408 cm 2 cm 2 Maximum allowable antenna gain: 6.31 dBi 9.9 dBi This predictions demonstrate the following: 1) The power density levels at a distance of 20 cm with typical antennas of 0-6dBi are below the maximum levels allowed by the FCC regulations. mW 2) The antenna gain where 1 cm would be reached at 20 cm distance, is 2 G= 6.31 dBi for GSM 850 G= 9.9 dBi for GSM 1900 Dipl.-Ing. Karin Silberhorn CETECOM GmbH, Essen, Germany


Document Created: 2002-10-29 17:00:01
Document Modified: 2002-10-29 17:00:01
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