SAR attachment 1

FCC ID: RRK-WCBN07

RF Exposure Info

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FCCID_909046

Calibration Laboratory of SchweizerischerKalibrierdienst Schmid & Partner 5'3%—//& Service suisse d‘étalonnage Engineering AG UE C Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland "4@\\? Swiss Calibration Service Ub Accredited by the Swiss Federal Offce of Metrology and Accreditation Accreditation No.: SCS 108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates Client CCS (Auden) Certificate No: D2450V2—728_Apr06 ICALIBRATION CERTIFICATE I Object D2450V2 — SN: 728 Calibration procedure(s) QA CAL—05.v6 Calibration procedure for dipole validation kits Calibration date: April 27, 2006 Condition of the callbrated item In Tolerance This calibration certiicate documents the traceabilty to national standards, which realize the physical units of measurements (S1). The measurements and the uncertainties with confidence probability are given on the following pages and are part of the certficate. All calibrations havebeen conducted in the closed laboratory facility: environment temperature (22 + 3)°C and humidity < 70%. Calibration Equipment used (MATE critical for calibration) Primary Standards 1# Cal Date (Calibrated by. Certificate No.) Scheduled Calibration Power meter EPM—442A GBsrsor04 04—0ct—05 (METAS, No. 251—00516) Oct0s Power sensor HP 8481A ussra027es 04—0ct—05 (METAS, No. 251—00516) Oct0s Reference 20 dB Attenuator Sni: soss (20g) 11—Aug—05 (METAS, No 251—00498) Aug—06 Reference 10 dB Attenuator SN: 047.2 (10r) 11—Aug—05 (METAS, No 251—00498) Aug—06 Reference Probe ESSDV2 SN sors 28—0ct—05 (SPEAG, No. ES3—8025_Oct05) Oct06 Dase Sn 601 15—Dec—05 (SPEAG, No. DAE4—601_Dec05) Dec—06 Secondary Standards 19# Check Date (in house) Scheduled Check Power sensor HP 8481A mvatosest7 18—0ct—02 (GPEAG, in housecheck Oct—05) In house check: Oct—07 RF generator Agilent E44218 my41000875 11—May—05 (SPEAG, in house check Nov—05) In house checic Nov.07 Network Analyzer HP 8753E US37390585 $4206 18—Oct—01 (GPEAG, inhousecheck Nov—05) In house checic Nov.06 Name Function Signature Calibrated by: Mike Meil Laboratory Technician | 2t 5 3 .TX 34. 7 Approved by: Katia Pokovic Technical Manager Issued: April 27.;%_4 This callbration certificate shall not be reproduced except in full without written approval of the laboratory. Certificate No: D2450V2—728_Apr06 Page 1 of 9

Calibration Laboratory of g Schweizerischer Kalibrierdienst Schmid & Partner Service sulsse d‘étalonnage Engineering AG C Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland S swiss Calibration Service Accredited by the Swiss Federal Offce of Metrology and Accreditation Accreditation No.: SCS 108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates Glossary: TSL tissue simulating liquid ConvF sensitivity in TSL / NORM x,y,z N/A not applicable or not measured Calibration is Performed According to the Following Standards: a) IEEE Std 1528—2003, "IEEE Recommended Practice for Determining the Peak Spatial— Averaged Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques", December 2003 b) CENELEC EN 50361, "Basic standard for the measurement of Specific Absorption Rate related to human exposure to electromagnetic fields from mobile phones (300 MHz — 3 GHz), July 2001 c) Federal Communications Commission Office of Engineering & Technology (FCC OET), "Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields; Additional Information for Evaluating Compliance of Mobile and Portable Devices with FCC Limits for Human Exposure to Radiofrequency Emissions", Supplement C (Edition 01—01) to Bulletin 65 Additional Documentation: d) DASY4 System Handbook Methods Applied and Interpretation of Parameters: * Measurement Conditions: Further details are available from the Validation Report at the end of the certificate. All figures stated in the certificate are valid at the frequency indicated. «_ Antenna Parameters with TSL: The dipole is mounted with the spacer to position its feed point exactly below the center marking of the flat phantom section, with the arms oriented paralle! to the body axis. * Feed Point Impedance and Return Loss: These parameters are measured with the dipole positioned underthe liquid filled phantom. The impedance stated is transformed from the measurement at the SMA connector to the feed point. The Return Loss ensures low reflected power. No uncertainty required. * Electrical Delay: One—way delay between the SMA connector and the antenna feed point. No uncertainty required. * SAR measured: SAR measured at the stated antenna input power. * SAR normalized: SAR as measured, normalized to an input power of 1 W at the antenna connector. + SAR for nominal TSL parameters: The measured TSL parameters are used to calculate the nominal SAR result. Certificate No: D2450V2—728_Apr06 Page 2 of 9

Measurement Conditions DASY system configuration, as far as not given on page 1. DASY Version DASY4 V4.7 Extrapolation Advanced Extrapolation Phantom Modular Flat Phantom V5.0 Distance Dipole Center — TSL 10 mm with Spacer Area Scan resolution dx, dy = 15 mm Zoom Scan Resolution dx, dy, dz =5 mm Frequency 2450 MHz + 1 MHz Head TSL parameters Thefollowing parameters and calculations were applied. Temperature Permittivity Conductivity Nominal Head TSL parameters 22.0 °C 39.2 1.80 mhoim Measured Head TSL parameters (22.0 £0.2) °C 38.8 16 % 1.76 mho/m * 6 % Head TSL temperature during test (22.2£0.2)°C ——— —— SAR result with Head TSL SAR averaged over 1 cm* (1 g) of Head TSL condition SAR measured 250 mW input power 13.4 mW /g SAR normalized normalized to 1W 53.6 mW /g SAR for nominal Head TSL parameters ‘ normalized to 1W 53.8 mW / g + 17.0 % (k=2) SAR averaged over 10 cm* (10 g) of Head TSL condition SAR measured 250 mW input power 6.21 mw /g SAR normalized normalized to 1W 24.8 mW !g SAR for nominal Head TSL parameters ‘ normalized to 1W 24.8 mW / g + 16.5 % (k=2) * Correction to nominal TSL parameters according to d), chapter "SAR Sensitivities" Certificate No: D2450V2—728_Apr06 Page 3 of 9

Body TSL parameters The following parameters and calculations were applied. Temperature Permittivity Conductivity Nominal Body TSL parameters 22.0 °C 52.7 1.95 mho/m Measured Body TSL parameters (22.0 £0.2)°C 53.6 26 % 1.97 mho/m * 6 % Body TSL temperature during test (22.5 2 0.2)°C —— —— SAR result with Body TSL SAR averaged over 1 cm‘ (1 g) of Body TSL Condition SAR measured 250 mW input power 13.9 mW /g SAR normalized normalized to 1W 55.6 mW /g SAR for nominal Body TSL parameters ° normalized to 1W 55.9 mW / g * 17.0 % (k=2) SAR averaged over 10 cm* (10 g) of Body TSL Condition SAR measured 250 mW input power 6.43 mW /g SAR normalized normalized to 1W 25.7 mW /g SAR for nominal Body TSL parameters & normalized to 1W 25.9 mW / g + 16.5 % (k=2) * Correction to nominal TSL parameters according to d), chapter "SAR Sensitivities® Certificate No: D2450V2—728_Apr06 Page 4 of 9

Appendix Antenna Parameters with Head TSL Impedance, transformed to feed point §2.7 0 + 4.7 j Return Loss —25.5 dB Antenna Parameters with Body TSL Impedance, transformed to feed point 49.2 Q + 5.9 jQ Return Loss —24.5 dB General Antenna Parameters and Design Electrical Delay(one direction) 1.154 ns After long term use with 100W radiated power, only a slight warming of the dipole near the feedpoint can be measured. The dipole is made of standard semirigid coaxial cable. The center conductor of the feeding line is directly connected to the second arm of the dipole. The antennais therefore short—circuited for DC—signals. No excessive force must be applied to the dipole arms, because they might bend or the soldered connections near the feedpoint may be damaged. Additional EUT Data Manufactured by SPEAG Manufactured on January 9, 2003 Certificate No: D2450V2—728_Apr06 Page 5 of 9

DASY4 Validation Report for Head TSL Date/Time: 27.04.2006 12:44:00 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 U1O0 BB_060425; Medium parameters used: £= 2450 MHz; 0 = 1.76 mho/m; & = 38.8; p = 1000 kg/m3 Phantom section: Flat Section Measurement Standard: DASY4 (High Precision Assessment) DASY4 Configuration: * Probe: ES3DV2 — SN3025 (HF); ConvF(4.4, 4.4, 4.4); Calibrated: 28.10.2005 * Sensor—Surface: 4mm (Mechanical Surface Detection) * Electronics: DAE4 Sn601; Calibrated: 15.12.2005 * Phantom: Flat Phantom 5.0 (front); Type: QDOOOPS0AA * Measurement SW: DASY4, V4.7 Build 21; Postprocessing SW: SEMCAD, V1.8 Build 165 Pin = 250 mW; d = 10 mm/Area Scan (71x71x1): Measurement grid: dx=1 Smm, dy=1 5tom Maximum value of SAR (interpolated) = 16.1 mW/g Pin = 250 mW; d = 10 mm/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=3mm, dz=5mm Reference Value = 92.3 V/m; Power Drift = 0.024 dB Peak SAR (extrapolated) = 27.8 W/kg SAR(I g) = 13.4 mW/g; SAR(10 g) =6.21 mWi/g Maximum value of SAR (measured) = 15.0 mW/g dB 0.000 —8.00 16.0 ~24.0 32.0 ~40.0 0 dB =15.0mW/e Certificate No: D2450V2—728_Apr06 Page 6 of 9

Impedance Measurement Plot for Head TSL 27 Apr 2006 10:18:23 sin £ U FS 1526970 4.71290 306.15 pH 2 +50.000 000 MHz CENTER 2 450.000 000 MHz Spait 400.000 000 Mz Certificate No: D2450V2—728_Apr06 Page 7 of 9

DASY4 Validation Report for Body TSL Date/Time: 25.04.2006 11:46:36 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: MSL U10; Medium parameters used: £= 2450 MHz; 0 = 1.97 mho/m; s = 53.6; p = 1000 kg/m3 Phantom section: Flat Section Measurement Standard: DASY4 (High Precision Assessment) DASY4 Configuration: * Probe: ES3DV2 — SN3025 (HF); ConvF(4.06, 4.06, 4.06); Calibrated: 28.10.2005 * Sensor—Surface: 4mm (Mechanical Surface Detection) * Electronics: DAE4 Sn601; Calibrated: 15.12.2005 * Phantom: Flat Phantom 5.0 (front); Type: QDOOOP50AA * Measurement SW: DASY4, V4.7 Build 21; Postprocessing SW: SEMCAD, V1.8 Build 165 Pin =250 mW; d = 10 mm/Area Scan (61x61x1): Measurement grid: dx=1 5mm, dy=1 5mm Maximum value of SAR (interpolated) = 16.6 mW/g Pin = 250 mW; d = 10 mm/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=Smm, dz=5mm Reference Value = 89.3 V/m; Power Drift = —0.001 dB Peak SAR (extrapolated) =29.9 W/kg SAR(I g) = 13.9 mW/g; SAR(10 g) = 6.43 mWi/g Maximum value of SAR (measured) = 15.7 mW/g dB 0.000 —7.00 14.0 ~21.0 —28.0 35.0 0 dB =15.7mWig Certificate No: D2450V2—728_Apr06 Page 8 of 9

Impedance Measurement Plot for Body TSL 25 fpr 2006 der25:27 CHI sit i u rs i:49.215 a 5.0750 8 SB1.65 pH 2 450.000 000 MHz ber Cor fv 16° ch2 Av 129 CENTER 2 450.000 000 MHz span 400.000 000 mz Certificate No: D2450V2—728_Apr06 Page 9 of 9


Document Created: 2008-02-22 10:52:51
Document Modified: 2008-02-22 10:52:51
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