SAR Report D2450V2

FCC ID: NM8BG

RF Exposure Info

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FCCID_579027

Calibration Laboratory of
Schmid & Partner
  Engineering AG
Zeughausstrasse 43, 8004 Zurich, Switzerland




Client




 Object(s)

 Calibration procedure(s)




 Calibration date:

 Sondiion of the caliated ttem                                             ; migfiu::mwwfimim:WEEW” m“iffi‘ s



 This calbration statement documents traceabilty of METE used in the callbration procedures and conformity of the procedures with the ISO/EC
 17025 intemational standard.


 All calbrations have been conducted in the closed laboratory faciity: environment temperature 22 +/2 degrees Celsius and humidity < 75%.


 Callbration Equipment used (M&TE criical for calibration)


 Model Type                            i#                       Cl Date (Calibrated by, Certiicate No.)           Scheduled Calibration
 Power meter EPM E442                  cBarsor0«                6—Nov—03 (METAS, No. 252—0254)                     Nov—04
 Power sensor HP 8481A                 ussrzs27es               6—Nov.03 (METAS, No. 252—0254)                     Nov.04
 Power sensor HP 8481A                 myatoszsi7               18—0ct—02 (Aglent, No. 20021018)                   Oct04
 RF generator R&S SML—03               1oosss                   27—Mear—2002 (R&S, No. 20—92389)                   in house check: Mar—05
 Network Analyzer HP 8753E             ussrssosss               18—0ct—01 (GPEAG, in house check Nov—03)           In house check: Oct05



 Callbrated by:


 Approved by:


                                                                                                                    Date issued: March 23, 2004



 This calbration certiicate is issued as an intermediate solttion untll the accreditation process (based on ISO/IEC 17025 Interational Standard) for
 Calibration Laboratory of Schmid & Partner Engineering AG is completed.




$80—KPO301061—A                                                                                                                             Page 1 (1)


Schmid & PartnerEngineering AG                         s          e   a
Zeughausstrasse 43, 8004 Zurich, Switzerland
Phone +41 1 245 9700, Fax +41 1 245 9779
info@speag.com, http://www.speag.com




                                               DASY
                      Dipole Validation Kit

                           Type:                D2450V2

                         Serial:                728

                     Manufactured:              January 9, 2003
                            Calibrated:         March 23, 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 2450 MHz:

         Relative Dielectricity                 37.6         £5%
         Conductivity                           1.88 mho/m   +5%

The DASY4 System with a dosimetric E—field probe ES3DV2 (SN:3013, Conversion factor 4.8 at 2450
MHz) was used for the measurements.

The dipole was mounted on the small tripod so that the dipole feedpoint was positioned below the
center marking of the flat phantom section and the dipole was oriented parallel to the body axis(the
long side of the phantom). The standard measuring distance was 10mm from dipole center to the
solution surface. Lossless spacer was used during measurements for accurate distance positioning.

The coarse grid with a grid spacing of 1 5mm was aligned with the dipole. The 7x7x7 fine cube was
chosen for cube integration.
The dipole input power (forward power) was 250mW +3 %. The results 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
section 1. The results (see figure supplied) have been normalized to a dipole input power of 1 W
(forward power). The resulting averaged SAR—values measured with the dosimetric probe ES3DV2
SN:3013 and applying the advanced extrapolation are:


         averaged over 1 cm‘ (1 g) of tissue:        58.4 mWig + 16.8 % (=2)‘

         averaged over 10 cm‘ (10 g) oftissue:       26.4 mWig +16.2 % (—2)‘




‘ validation uncertainty


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—connectorto the
dipole feedpoint are:

      Electrical delay:           1.154 ns   (one direction)
      Transmission factor:        0.993      (voltage transmission, one direction)


The dipole was positioned at the flat phantom sections according to section 1 and the distance spacer
was in place during impedance measurements.


         Feedpoint impedance at 2450 MHz:            Re{Z} = 53.0 o

                                                     Im {Z} =3.5 0

         Return Loss at 2450 MHz                     —27.0 dB




4.       Measurement Conditions

The measurements were performed in the flat section of the SAM twin phantom filled with body
simulating solution of the following electrical parameters at 2450 MHz:

         Relative Dielectricity              52.0              +5%
         Conductivity                        2.00 mho/m        +5%

The DASY4 System with a dosimetric E—field probe ES3DV2 (SN:3013, Conversion factor 4.02 at
2450 MHz) was used for the measurements.

The dipole was mounted on the small triped so that the dipole feedpoint was positioned below the
center marking ofthe flat phantom section and the dipole was oriented parallel to the body axis(the
long side of the phantom). The standard measuring distance was 10mm from dipole center to the
solution surface. Lossless spacer was used during measurements for accurate distance positioning.

The coarse grid with a grid spacing of 15mm was aligned with the dipole. The 7x7x7 fine cube was
chosen for cube integration.
The dipole input power (forward power) was 250mW + 3 %. The results are normalized to 1 W input
power.


5.       SAR Measurement with DASY4 System

Standard SAR—measurements were performed according to the measurement conditions described in
section 4. The results (see figure supplied) have been normalized to a dipole input power of 1 W
(forward power). The resulting averaged SAR—values measured with the dosimetric probe ES3DV2
SN:3013 and applying the advanced extrapolation are:


         averaged over 1 cm> (1 g) of tissue:         53.6 mWig + 16.8 % (=2)

         averaged over 10 cm> (10 g) of tissue:        25 mWig + 16.2 % (k=2)



6.       Dipole Impedance and Return Loss

The dipole was positioned at the flat phantom sections according to section 4 and the distance spacer
was in place during impedance measurements.


         Feedpoint impedance at 2450 MHz:             Re{Z} = 48.60

                                                      Im {Z} = 5.8 0
         Return Loss at 2450 MHz                      —24.4 dB



7.       Handling

Do not apply excessive force to the dipole arms, because they might bend. Bending ofthe dipole arms
stresses the soldered connections near the feedpoint leading to a damage of the dipole.


8.       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 antennais therefore short—circuited for DC—
signals.

Small end caps have been added to the dipole arms in order to improve matching when loaded
according to the position as explained in Sections land 4. The SAR data are not affected by this change.
The overall dipole length is still according to the Standard.


9.       Power Test

After long term use with 40W radiated power, only a slight warming of the dipole near the feedpoint
can be measured.




* validation uncertainty


                                                                                             Page 1 of 1
                                                                            Date/Time: 03/23/04 13:23:36

Test Laboratory: SPEAG, Zurich, Switzerland

DUT: Dipole 2450 MHz; Type: D2450V2; Serial: D2450V2 — SN728

Communication System: CW—2450; Frequency: 2450 MHz;Duty Cycle: 1:1
Medium: HSL 2450 MHz;
Medium parameters used: {= 2450 MHz; 0 = 1.88 mho/m; 8.= 37.6; p = 1000 kgms
Phantom section: Flat Section
Measurement Standard: DASY4 (High Precision Assessment)

DASY4 Configuration:

              Probe: ES3DV2 — SN3013; ConvF(4.8, 4.8, 4.8); Calibrated: 1/23/2004
  e e e e e




              Sensor—Surface: 4mm (Mechanical Surface Detection)
              Electronics: DAE3 Sn411; Calibrated: 11/6/2003
              Phantom: SAM with CRP — TP1006; Type: SAM 4.0; Serial: TP:1006;
              Measurement SW: DASY4, V4.2 Build 44; Postprocessing SW: SEMCAD, V1.8 Build 112

Pin = 250 mW; d = 10 mm/Area Scan (81x81x1): Measurement grid: dx=15mm, dy=1 5mm
Reference Value = 92.8 V/m; Power Drift = 0.0 dB
Maximum value of SAR (interpolated) = 17 mW/g

Pin = 250 mW; d = 10 mm/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm,
dy=Smm, dz=Smm
Reference Value = 92.8 V/m; Power Drift = 0.0 dB
Maximum value of SAR (measured) = 16.3 mW/g
Peak SAR (extrapolated) = 32.2 W/kg
SAR(I g) = 14.6 mW/g; SAR(10 g) =6.59 mW/g

      dB




                     0 dB = 16.3mW/g


                                                                                  128


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                                                                                            Page 1 of 1
                                                                           Date/Time: 03/23/04 11:35:14

Test Laboratory: SPEAG, Zurich, Switzerland

DUT: Dipole 2450 MHz; Type: D2450V2; Serial: D2450V2 — SN728

Communication System: CW—2450; Frequency: 2450 MHz;Duty Cycle:1:1
Medium: Muscle 2450 MHz;
Medium parameters used: £= 2450 MHz; 0 = 2 mho/m; 8, = 52; p= 1000 kg/m3
Phantom section: Flat Section
Measurement Standard: DASY4 (High Precision Assessment)

DASY4 Configuration:

              Probe: ES3DV2 — SN3013; ConvF(4.02, 4.02, 4.02); Calibrated: 1/23/2004
  e e e e e




              Sensor—Surface: 4mm (Mechanical Surface Detection)
              Electronics: DAE3 Sn411; Calibrated: 11/6/2003
              Phantom: SAM with CRP — TP1006; Type: SAM 4.0; Serial: TP:1006;
              Measurement SW: DASY4, V4.2 Build 44; Postprocessing SW: SEMCAD, V1.8 Build 112

Pin = 250 mW; d = 10 mm/Area Scan (81x81x1): Measurement grid: dx=15mm, dy=1 5mm
Reference Value = 87.5 V/m; Power Drift = 0.0 dB
Maximum value of SAR (interpolated) = 16.2 mW/g

Pin = 250 mW; d = 10 mm/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm,
dy=5mm, dz=5mm
Reference Value = 87.5 V/m; Power Drift= 0.0 dB
Maximum value of SAR (measured) = 15.2 mW/g
Peak SAR (extrapolated) = 26.8 W/kg
SAR(I g) = 13.4 mW/g; SAR(10 g) =6.25 mWi/g
      dB




                     0 dB = 15.2mW/g


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Document Created: 2005-08-10 18:39:12
Document Modified: 2005-08-10 18:39:12

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