KOREA SHIELD SYSTEM Ltd. TEST SYSTEM For MOBILE STATION Over The Air Performance 1 [ CONTENTS ] 1.About Us 2.Advantages of KSS 3.System Configuration 4.Measurement Software 5.LTE MIMO 2x2 System R everberation Chamber 6.Far/Near‐Field Antenna Measurement System 7. Other Products 8. Sales Reference A. Appendix _CTIA OTAP Test

S.B.KIM P RESIDENT DEVELO -PMENT TECHNICAL SUPPORT SALES ADMINIS -TRATION 1 ENGINEERS2 ENGINEERS 1 PEOPLE HARDWARE 5 PEOPLE 1. About Us. (Korea Shield System Ltd. ( 주 ) 한국차폐시스템 ) 1.1 Organization 1.2 Korea Shield System Ltd,. History -Establish 2005‐ Capital: US$50K‐ Employees: 13 -Location: 792‐1, BANGCHUG LI, GODUK MYEN, PYENGTAEK CITY, KYENGGI DO, 451‐841 -Manufacturing for KSS main rotating system (2D & 3D) -Manufacturing for KSS all jig & accessories -Manufacturing for VSWR measurement system for Anechoic Chamber -Manufacturing for Mobile Phone Shield Box -Have ISO14001 & ISO9001 Certification - Change the company name to Korea Shield System from AirLink Lab in KSS Advantages CDMA, GSM, WCDMA, HSDPA EVDO, GPS PLTS&ULTS DMB, Bluetooth, GPRS, TD‐SCDMA WIBRO/WIMAX, WIFI/WLAN, LTE(SISO&MIMO) 2  Various Measurement Software  Fast Measurement Speed  Cost Effective  Software Firmware Free Upgrade  Fast Delivery (1 ~ 2 Months)  Turn‐Key Solution  Long Experience (over 9 years)  BIG Company and lots of Customers : (over 160 Systems, see the below No.8 Sales Reference)  China Office_ Shenzhen  Oversea installation (China, USA, Japan, India, Vietnam and Taiwan Etc.)

3.System Configuration of KSS‐3D Antenna System 1.3D Rotator 2.AZ Rotator & Rotary Joint 3.Pol Rotator & Rotary Joint 4.Rotator Controller & PCU 5.System Controller 6.Measurement Software 7.Tx Antenna 8.Free Space Styrofoam Jig 9.Absorber & Others 10.Instrument (Network Analyzer) 11.Instrument (Base‐station Simulator) 3.1 KSS‐RT (3D Rotator) (for Head Phantom) - Accuracy: 0.1 deg ‐ Resolution: 0.01 deg ‐ Min. Ripple (Free Space Measurement) : Less +/‐1.0 dB ‐ Install Linear Slide (400 mm) ‐ Low Dielectric Material ‐ Install Rotary Joint (dc 18 GHz)& Slip Ring ‐ Up to 20kg 3.Double Rigid Horn Antenna 1.KSS‐HA800 -Frequency Range: 800 MHz ‐ 6 GHz -Impedance (Nomial): 50 Ω ‐ SWR: <2.0 nomial -Return Loss: <‐9.0dB ‐Gain : 4.5~14dBi -Connector: TypeN F ‐ HPBW: 30~120 deg (H‐plane), 25~100 deg (E‐plane) ‐ Dimension : 244 x 140 x 196mm(L) 2.KSS‐HA KSS‐CNT (Rotator Controller) ‐ High‐speed Rotator controller w ith PCU (Power Control Unit). ‐ Control of each Rotator in automated Active & Passive measurement systems. -Freq. range: 600 MHz ‐ 6 GHz -Impedance (Nomial): 50 ohms -SWR: <2.0 nomial -Return Loss: <‐9.0dB ‐ Gain : 4.1~16.3dBi -Connector: Type N F ‐ HPBW: 20.4~125 deg (H‐plane) 24.5~111 deg (E‐plane) ‐ Dimension : 236 x 148 x 317mm(L) -Frequency Range: 400 MHz ‐ 6 GHz -Impedance (Nomial): 50 Ω -SWR: <2.0 nomial‐ Return Loss: <‐9.0dB -Gain : 2.8~16.3dBi ‐ Connector: Type N F -HPBW: 17.7~138 deg (H‐ plane), 19.2~111 deg (E‐ plane) ‐Dimension : 324 x 220 x 473mm(L) (6 Kg) 4.KSS‐SC (System Controller) 1.Desk Top Computer (Latest version with 19" LCD Monit or) 2.GPIB‐USB Card & GPIB Cable 5.KSS‐PH & HPH MCL (UK) or IndexSar (UK) KSS‐HA400 Dipole Antenna Set ‐ CDMA, PCS, WCDMA. 3.6 KSS‐DIPOLE ANT. (Dipole antenna) This bracket is very suitable for free space measurement of Mobile Phone & Small Antenna. This is very strong & low dielectric constant. The below followings are the specifications 3.7 KSS‐JIG (Styrofoam Bracket) Dielectric Constant Density Compressive St rength Heat D istortion : 2.5 GHz : 52 kg/m 3 : 130 psi : C 3

3.8 KSS‐RF cable (Low Loss Coaxial Cables) Cable Series Max Freq Vel of Prop Time Delay 280&18018 GHz83 %1.2 ns/ft Attenuation at: (30m) 1GHz 5 dB 10 GHz 15 dB 18 GHz 20 dB * R.F. Shielding (MIL STD ‐285 Test) FieldFrequencyPerformance Magnetic Field Electric Field Plane wave Microwave 14kHz 200kHz 1MHz ~ 50MHz 400MHz ~ 1GHz 10GHz ~ 18GHz More than 70dB More than 90dB more than 100dB more than 100dB more than 100dB * Performance (dB) FrequencyQuiet Zone Performance 800 MHz 1.8 GHz 3.0 GHz 6.0 GHz 0.8 m 0.5 m 0.4 m 0.3 m ‐30 dB ‐43 dB ‐47 dB ‐50 dB -Self Supported Structure Steel -R.F Shielding Door: 1set -Wave guide air vent: 1set -Signal Connector Panel: 1set -Power Line Filter: 1set -Ground Stud: 1 set -Electrical & Lighting System: 1 set - W/G Pipe Penetration: 1set‐ CCTV: 1set ‐ HVAC: Optional (23 ℃ ± 2 ℃, 50% ± 10%) * 3.9 KSS‐ABS (Anechoic Chamber & Shielding Room) Size : 2.8 x 1.8 x 1.6m (H) 3.0 x 2.5 x 2.5m (H) 4.0 x 2.0 x 2.0m (H) 5.0 x 2.5 x 2.5m (H) 6.0 x 3.0 x 3.0m (H) 7.0 x 3.5 x 3.5m (H) 8.0 x 4.0 x 4.0m (H) R.F. Shielding Test (MIL STD‐285 Test) ‐ Test by KSS or Test by 3rd Party *Ripple Testing (CTIA Method, using Slive Dipole Antenna & Loop Antenna) ‐ Test by KSS or Test by 3rd Party *VSWR Testing (Transverse, Longitudinal) ‐ Test by KSS or Test by 3rd Party [Recommend SIS company (Shielding Integrity Service: U.S] Example. Compact Chamber Figures [3 X 2.5 X 2.5m] [The forms of other Chambers are very similar with the below.] 4

4. KSS‐3D Measurement Software 4.1 KSS‐1E (Air Sensitivity & Channel Power Measurement Software) -2D & 3D Automated Air Sensitivity Measurement (TIS / TRP) -2D & 3D Automated Ch. Power Measurement -Simultaneous Measurement of Air Sensitivity&Ch. Power -OS : Windows XP & Window 7 -User Select Positioner Angle -User Select FER -Handoff Function -Various Protocol -Easy Up‐Grade - the most Compatible simulator : Agilent Direct Data Export to Microsoft Excel -Advanced Plotting: Data Listing, Cartesian, Polar and 3D -Export Plots to bmp, jpg Files * Measurement Time : TRP All Band TISNormal Mode 10 min. 3 Channel 60 Min. 3 Channel 40 Min. 3 Channel 60 Min. 3 Channel 50 Min. 3 Channel CDMA GS M WCDMA TD‐SCDMA Quick Mode CDMA G SM WCD MA GS M 45 degree 40 Min. 3 Channel 25 Min. 3 Channel 40 Min. 3 Channel 12 Min. 3 Channel Estimated TIS Additional De gree * Base‐station Simulator : Agilent8960 (E5515C) FIGURE 6‐1: ILLUSTRATION OF INTERMEDIATE CHANNEL TEST. GREEN LINES IN DICATE A PASS‐FAIL TEST PERFORMED 5 DB ABOVE THE CORRESPONDING EIS LEVEL OF THE NEAREST CHANNEL FOR WHICH A FULL TIS MEASUREMENT WA S PERFORMED For both the full TIS test and the intermediate channel tests, head‐ adjacent and/or free‐space testing shall be conducted based on device type, as specified in the CTIA Certification Program Management Document. Refer to Appendix C for head‐adjacent testing requirements. Perform each test on all specified frequencies with the EUT antenna extended and retracted, as applicable HSDPA Measurement Function * Base‐station Simulator : Agilent 8960 (E5515C) *Full 3D TIS & TRP Measurement *Simultaneous Measurement of TIS & TRP *Instrument Drivers: Willtek 4405, Anritsu MT8820B, Star‐point SP6010, Agilent 8960_5515C CDMA, GSM, WCDMA4.1.2Channel Flatness Measurement Function TD‐SCDMA Measurement Function 5

4.2 KSS‐ANT (2D & 3D Antenna Pattern Measurement Software [passive]) * Passive Instrument : Network Analyzer E5071 Series or Agilent 8753(up to 6GHz) ‐ Full 3D Antenna Gain And Pattern Measurement. [Average Gain, Efficiency, Directivity, Peak Gain, Full 3D Graph] ‐ 2D Antenna Gain And Pattern Measurement. (Peak Gain, Average Gain, Polar & Cartesian Graph) * Instrument : Tescom TC‐3000 B&C [ Test Band ] CDMA, K‐PCS, US‐PCS [ Elapsed Time ] Conductio n Test: 20Min. 3D C/No Pattern Test: 40Min. Sensitivity: 30Min. * Now, ULTS, also is available. * Instrument : Sprint CDMA Po sition Location Te st System (PLTS‐D X) 4.3 KSS‐BT (Bluetooth TIS&TRP Measurement SW) 4.6 KSS‐WiFi (WIFI/WLAN Measurement SW) 4.4 KSS‐GPS (GPS Measurement Software) PLT S: Position Location Test System & ULTS Agilnet E6651AR&S CMW270 Anritsu MT8860CR&S PTW KSS‐LTE (LTE Measurement SW for SISO Type) Anritsu MT8820CR&S CMW500 Anritsu MT8820C * Go to next page for detail. R&S CMW KSS‐WIBRO (WIBRO/WIMAX Measurement SW) * Instrument : 4.8 KSS‐MIMO (MIMO Measurement SW) * Instrument : 6

5.2 Hardware Configuration5.3 Electrical Configurations 5. LTE MIMO 2x2 Reverberation Chamber System 5.1 General Specification [1] Depends on System SW setup situation & each instrument [2] Antenna Efficiency (SISO/MIMO), Diversity gain(MIMO), Correlation(MIMO), Channel Capacity(MIMO) Throughput (SISO/MIMO) * Further Information, feel free to contact us. Frequency Range Type Volume Measuring Mode Measu ring Time [1] Accuracy / Repeatability Supported Instrument D UT Volume Panel Po wer LED Light 650 ~ 6000MHz 2X2 MIMO Reverberation Chamber Furthe r Information, feel free to contact us MIMO / SISO MIMO_Active(Typ.) TRP < 2 min / ch. TIS < 10 min / ch. Thro ughput < 2min/ch. TRP 0.3 dB (STD.) TIS 0.5 dB (STD.) Anritsu MT8820C, Rhode & Schwarz CMW500 40cm x 40cm x 40cm (max.) MIMO_Passive [2] (Typ.) < 2min 0.5 dB Agilent’s N/A (m ost available) SMA type(8ea), N type(2ea), Video port(1ea) 220V 2 ea 7

6.2 Physical Specifications6.3 RF Specifications 6.Far/Near‐Field Antenna Measurement System 1.Precision Antenna Measurement System Features  Extendable T‐frame scanner based on the robust metal casting  Systematic design of RF configuration based on computer simulation  EM simulation for whole chamber including microwave absorber  User accessibility to level 1 of software code  User‐defined GUI parameter and action  XY‐scan area : Typical 2.1m(X) x 2.1m(Y) * Adjustable for customer requirements 8  T‐shaped frame based on metal casting. *Cheaper than marble but stable and robust *Extendable up to several tens of meter in the x‐direction  Maximum 8‐axes motion * X, Y, Z, Probe‐Roll, Lower‐Slide, Upper‐Slide, Azimuth, AUT‐Roll  High‐precision encoder and sensor * Automatic home and origin searching  Direct and fast control for motion, encoder and sensor  Systematic design of RF configuration based on computer simulation  Direct S21 configuration * SIMPLE & LOW COST  Mixer‐based RF configuration *Recommended for high‐power or mm‐wave *RF, LO source generator, mixer, LO/IF distribution unit  EM simulation for whole chamber including microwave absorber *Check the link budget and undesirable scattering *Increase the measurement reliability

2.KSS‐3D Mini Chamber(3D Air Sensitivity & Channel Power Measurement system)  Size : 1.6 x 0.76 x 1.4m (H)  KSS‐3 axis Rotator  Manual Open/Close System 7. Other Products 7.1 Absorbers ”, 12”, 18”, 24” Pyramidal Absorber Field Absorber Model Height Tips (inch) (ea) MHz MHz GHz Absorption at normal incidence GHz GHz GHz GHz GHz ‐ Size : 600mm x 600mm x (H) Size : Depends on User’s request Manual Open/Close System RF Shield Performance : > 90dB  Size : W600 x L600 x H475 (mm) (Acrylonitrile Butadiene Styrene copolymer) - Finishing : Urethane [ 3D‐Mini Chamber‐Inside ] [ 3D‐Mini Chamber ]  Absorber : 4” Absorber Installed  RF Shield Performance : > 90dB  Present Customer :  34 set is sold to Samsung. [ Motion Controller ] [ Head Phantom Holder ] [ Antenna Holder ][ Antenna Holder ] [ Hand Phantom Holder ] [ Hand Phantom Holder (Joint Type) ] [ Laptop Holder ] [ Head & hand Phantom Holder ] [ Test Head Phantom Set ] [ Hand Phantom (Joint Type) ] Shield Room7.4 Holders dB  Weight : 6.12 kg ( ± 0.2)  Content [ Pyramidal Absorber ] KSS‐ KSS‐ KSS‐ Material : Polyurethane KSS‐ Finishing : Insulation Paint Cover KSS‐ Material : ABS Resin

8. Sales Reference of KSS (Customers) KOREA AND OTEHRS 10 No CustomerProducts No CustomerProducts 1AMOTECHKSS‐3D HW&SW( 3sys.)35 PartronKSS‐1S SW 2AT&CKSS‐3D HW&SWPartronKSS‐3D HW&SW( 2sys.) 3DaeYoung KTXKSS‐3D HW&SW36 ‐KSS‐3D HW&SW( 2sys.) 4DIFKSS‐1S 3D SW37 Quest LabKSS‐3D HW&SW 5EMW AntennaKSS‐1S 2D SW38 RRL (Wave Institute)KSS‐1S 3D SW EMW AntennaKSS‐1S 3D SW39 RoswinKSS‐3D HW&SW 6Ethertronics (Korea)KSS‐3D HW&SW40 Samsung Elec. (Suwon)KSS‐1S 3D SW( 2sys.) 7Ethertronics (USA)KSS‐3D HW&SWSamsung Elec. (Suwon)KSS‐1S 2D SW 8Ethertronics (Taiwan)KSS‐3D HW&SWSamsung Elec. (Gumi)KSS‐1S 3D SW( 3sys.) 9EXA TelecomKSS‐3D HW&SWSamsung Elec. (Gumi)KSS‐3D HW&SW( 32sys.) 10EZ CommKSS‐3D HW&SWSamsung Elec. (Suwon)KSS‐2D HW&SW( 4sys.) 11FlextronicsKSS‐3D HW&SWSamsung Elec. (Suwon)KSS‐3D W&SW( 56sys.) 12HCTHCTKSS‐3D HW&SW41 Samsung Elec. MechKSS‐1S 2D SW 13High TechKSS‐2D HW&SWSamsung Elec. MechKSS‐3D HW&SW( 3sys.) 14HitachiKSS‐3D HW&SW42 SB TelcomKSS‐3D HW&SW( 3sys.) 15INTOPSKSS‐3D HW&SW( 2sys.)43 SK TeletekKSS‐3D HW&SW 16Joosung UniversityKSS‐1S 2D SW44 SKY CrossKSS‐3D HW&SW 17KAEKSS‐1S 2D SW45 SM TelKSS‐3D HW&SW 18KosanKSS‐3D HW&SW( 2sys.)46 U‐GentechKSS‐3D HW&SW 19DongnamKSS‐3D HW&SW( 2sys.)47 UZONE WirelessKSS‐3D HW&SW 20KTFT(KT TECH)KSS‐3D HW&SW( 5sys.)48 VK Corp.KSS‐2D HW&SW 21Korea Telecom. [KT]KSS‐3D HW&SW CHINA AND OTEHRS 22Kwanghyun AirtechKSS‐3D HW&SW No CustomerProducts 23Kwangjin TelecomKSS‐3D HW&SW( 3sys.)1 Samsung Elec. (VietNam)KSS‐3D HW&SW( 2sys.) 24Kyunhee Univ.KSS‐1S 3D SW2 Samsung Elec. (India)KSS‐3D HW&SW 25Kyungwoon Univ.KSS‐1S 3D SW3 Samsung Elec. (ShenZhen)KSS‐3D HW&SW( 2sys.) LG Elec. LG Elec. LS Cable KSS‐3D HW&SW( 7sys.) KSS‐2D HW&SW( 2sys.) KSS‐3D HW&SW 4Samsung Elec. (TianJin) 5Samsung Elec. (HuiZhou) 6Samsung Elec. (GuangZhou) KSS‐3D HW&SW( 3sys.) KSS‐3D HW&SW( 2sys.) KSS‐3D HW&SW( 5sys.) 28MobillinkKSS‐3D HW&SW7 TIANLI(NingBo)KSS‐3D HW&SW 29MotorolaKSS‐3D HW&SW8 HTW‐MORROW (ShenZhen)KSS‐3D HW&SW 30MRWMRWKSS‐1S 2D SW9 BIRD(ShenZhen)KSS‐3D HW(6x3x3m) 31Nex1 FutureKSS‐3D HW&SW10 Etheta(Xi’an & ShenZhen)KSS‐3D HW&SW( 2sys.) 32Panasonic(Japan)KSS‐1S 2D SW11 Speed HZ(Xi’an&SuZhou)KSS‐3D HW&SW( 2sys.) 33Panasonic(Korea)KSS‐3D HW&SW12 Hand Set(Xi’an & ShenZhen)KSS‐3D HW&SW( 2sys.) 34 Pantech Pantech Pantech KSS‐1S 3D HW&SW KSS‐1S 2D SW KSS‐3D HW&SW 13WASGE(ShenZhen) 14Coolpad(ShenZhen) KSS‐3D HW&SW PantechKSS‐GPS PLTS SW

A. APPENDIX ‐ CTIA OTAP (Over the Air Performance) Test TRP (Total Radiated Power) Theta : 15 deg, 180 deg (N = 11, 0 & 180 deg excluded) Phi: 15 deg, 360 deg, (M = 24 ) * GREAT CIRCLE CUT method (Free Space) TIS (Total Isotropic Sensitivity) Theta: 30 deg, 180 deg (N = 5, 0 & 180 deg exclude) Phi: 30 deg, 360 deg, (M = 12) * CONICAL CUT method (Free Space) CHINA Office Address2F Tao Yuan Xiaoqu PingHuan PingShan SHENZHEN CHINAPOST CODE: 中国深圳市坪山坪环桃园小区综合楼 2 楼 +86‐755‐ ‐755‐ ‐ (Park Chul 部长 朴哲 ) ahoo.com.cn ahoo.com.cn Tel FAX Mobile W ebpage E ‐mail KOREA SHIELD SYSTEM Ltd. [ 한국 차폐 시스템 ] KOREA Office Address 792‐1, BangChugLi, GoDukMyen, PyengTae k City, KyengGiDo, 451‐841, Korea 경기도 평택시 고덕면 방축리 792‐1 +82‐31‐663‐5573~4 +82‐31‐663‐5547 Tel Fax Webpage 11 * Minimum Measurement Distance:Cellular (824 – 894 MHz)1.09 m PCS (1850 – 1990 MHz)1.19 m