SAR attachment 5

FCC ID: N7NAC850

RF Exposure Info

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FCCID_595562

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Schid & Parrer Engineeting AG S e a Zoughousstasse 43, 2004 Zureh,Swteatand Prone «41 1 245 9700, Fax +41 1 2sze info@speay com, itpihwinsspoen.com DASY Dipole Validation Kit Type: D1900V2 Serial: 50043 Manufactured: December 16, 2003 Calibrated: February 17, 2004

1. Measurement Conditions The measurements were performed in the flat section of the SAM twin phantom filled with head simulating solution of the following electrical parameters at 1900 MHz: Relative Dielectrcity 38.8 £5% Conductivity 147 mhoim £5% The DASY4 System with a dosimetric E—feld probe ET3DV6 (SN:1507, Conversion factor 4.96 at 1900 MHz) was used for the measurements. The dipole was mounted onthe small tripod so that the dipole feedpoint was positioned below the center marking of the flatphantom section and the dipole was oriented parallelto the body axis (the Tong side ofthe phantom). The standard measuring distance was 10mm from dipole center to the solution surface. The included distance spacer was used during measurements for accurate distance positioning The course grid with a grid spacing of15mm was aligned with the dipole. The 7x7x7 fine cube was chosen for cubs integration. The dipole input power (forward power) was 250 mW + 3 %. The result are normalized to 1 W input power. 2. SAR Measurement with DASY4 System Standard SAR—measurements were performed according to the measurement conditions described in section1. The results (see figure supplied) have been normalized to a dipole input power of 1 W (forward power). The resulting averaged SA R—values measured with the dosimetric probe ET3DV6 SN:1507 and applying the advanced extrapolation are: averaged over 1 em‘ (1 g) of tissue: 424 mWig «+ 16. % (k2) averaged over 10 em‘ (10 2) of tissue 22.8 mWig + 162 % (2)) ! valiation uncentinty

3 Dipole Impedance and Return Loss The impedance was measured at the SMA—connector with a network analyzer and numerically transformed to the dipole feedpoint. The transformation parameters from the SMA—connector to the dipole feedpoint are: Electrical delay 1.195 ns (one direction) Transmission factor: 0999 (voltage transmission, one direction) The dipole was positioned at the flat phantom sections according to section1 and the distance spacer was in place during impedance measurements Feedpoint impedance at 1900 MHz: RefZ)= 5138 Im {2) =34 0 Retur Loss at 1900 MHz 203 dB Handling Do not apply excessive force to the dipole arms, because they might bend. Bending ofthe dipole arms stresses the soldered connections nearthe feedpoint leading to a damage of the dipole. s Design The dipole is made of standard semirigid coaxial cable, The center conductor ofthe feeding line is directly connected to the second arm of the dipole. The antenna is therefore short—circuited for DC— signals Small end eaps have been added to the dipole arms in order to improve matching when loaded according to the position as explained in Section 1. The SAR data are not affected by this change. The overall dipole length is still according to the Standard. 6 Power Test After long term use with 40W radiated power, only a slight warming of the dipole near the feedpoint can be measured.

Page 1 of 1 Date/Time: 02/17/04 15:43:20 Test Laboratory: SPEAG, Zurich, Switzerland DUT: Dipole 1900 MHz; Type: D1900V2; Serial: D1900V2 — SNSd043 Communication System: CW—1900; Frequeney: 1900 MHz:Duty Cyele: 11 Medium: HSL 1900 MHz; Medium parameters used: £= 1900 MHz; a = 1.47 mho/m; c,= 38.8; p = 1000 ke/m} Phantom section: Flat Section Measurement Standard: DASY4 (High Precision Assessmen) DASY4 Configuration: « Probe: ET3DV6 — SN1507; ConvF(4.96, 4.96, 4.96); Calibrated: 122372004 Sensor—Surface; 4mm (Mechanical Surface Detection) Electronics: DAE3 Snd11; Calibrated: 11/6—2003 Phantom: SAM with CRP — TP1006; Type: SAM 4.0; Scrial: TP:1006; Measurement SW: DASY4, V4.2 Build 30; Postprocessing SW: SEMCAD, V1.8 Build 98 Pin =250 mWs d = 10 mm/Area Scan (81x81x1): Measurement grid: dx=15mm, dy=1 5mm Reference Value=93.9 /m Power Drift =—0.0 dB Maximum value of SAR = 11.9 mW/g Pin 50 mW; d = 10 mm/Zoom Sean (7x7«7)/Cube 0: Measurement grid: dx=Smm, dy=Smm, mm Peak SAR (extrapolated) = 19.1 Wike SAR(T g) = 10.6 mWigs SAR(TO ) = 547 mWig Reference Value=93.9 /m Power Drift =—0.0 dB Maximum value of SAR = 11.9 mW/g «8 o 04B =11.9mwig

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Document Created: 2005-09-23 10:36:39
Document Modified: 2005-09-23 10:36:39
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