GAO-LK300Mobile Phone

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS EUT – Front View EUT – Rear View EUT – Top View EUT – Bottom View EUT – Left Side View EUT – Right Side View EUT – Adapter View EUT – Adapter Label View EUT – Earphone View

EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS EUT –Cover off View 1 EUT –Cover off View 2 GSM Antenna EUT –Cover off View 3 EUT – Main Board Top View BT Antenna EUT – Main Board Top Shielding off View EUT – Main Board Bottom View EUT – Monitor Front View EUT – Monitor Rear View EUT – Battery View

CIRCUIT DESCRIPTION 1. Scope The equipment under test (EUT) is a single-mode mobile with GSM mode(GSM850/EGSM900/DCS/PCS1900).This document is shown and provided the more detail information about the platform used in. The basic description for the Baseband and RF section are also included. 2. Baseband MT6261D is a monolithic chip integrating leading edge power management unit, analog baseband and radio circuitry based on the low-power CMOS process. ARM7EJ-S 260M MT6261D is a feature-rich and extremely powerful single-chip solution for high-end GSM/GPRS capability. Based on the 32-bit ARM7EJ-STM RISC processor, MT6261D’s superb processing power, along with high bandwidth architecture and dedicated hardware support, provides a platform for high-performance GPRS Class 12 MODEM application and leading-edge multimedia applications. MT6261D is capable of running the ARM7EJ-STM RISC processor, which provides the best trade-off between system performance and power consumption. 3:MCU subsystem ARM7EJ-STM 32-bit RISC processor Java hardware acceleration for fast Java-based games and applets High-performance multi-layer AHB bus Dedicated DMA bus with 16 DMA channels On-chip boot ROM for factory flash programming Watchdog timer for system crash recovery 3 sets of general-purpose timers Circuit switch data coprocessor Division coprocessor User interfaces 5-row x 5-column keypad controller with hardware scanner Supports multiple key presses for gaming Dual SIM/USIM controller with hardware T = 0/T = 1 protocol control Real-time clock (RTC) operating with a low-quiescent-current power supply General-purpose I/Os (GPIOs) available for auxiliary applications 2 sets of Pulse Width Modulation (PWM) output 24 external interrupt lines 1 external channel auxiliary 10-bit A/D converter Security Supports security key and chip random ID Connectivity 3 UARTs with hardware flow control and supports baud rate up to 921,600 bps FS/LS USB 1.1 device controller Multimedia card, secure digital Memory Card, host controller with flexible I/O voltage power Supports 4-bit SDIO interface for SDIO peripherals as well as WIFI connectivity DAI/PCM and I2S interface for audio applications I2C master interface for peripheral management including image sensors SPI master/slave interface for peripheral management. Power management Li-ion battery charger 13 LDOs for the power supply of memory card, camera, Bluetooth, RF, SIM card and other diversified usage 1 open-drain output switches to supply/control the LED LDO type vibrator One NMOS switch to control keypad LED Thermal overload protection Under-voltage lock-out protection Over-voltage protection Different levels of power-down modes with sophisticated software control enables excellent power saving performance. Audio CODEC Supports AAC codec decoding Wavetable synthesis with up to 64 tones Advanced wavetable synthesizer capable of generating simulated stereo Wavetable including GM full set of 128 instruments and 47 sets of percussions PCM playback and record Digital audio playback Audio interface and audio front-end Supports I2S interface High-resolution D/A converters for stereo audio playback 3 Bluetooth Features Radio features Fully compliant with Bluetooth specification 3.0 + EDR Low out-of-band spurious emissions support simultaneous operation with GPS and GSM/GPRS worldwide radio systems Low-IF architecture with high degree of linearity and high order channel filter Integrated T/R switch and Balun Fully integrated PA provides 7.5dBm output power -95dBm sensitivity with excellent interference rejection performance Hardware AGCdynamically adjusts receiver performance in changing environments Baseband features Up to 4 simultaneous active ACL links Up to 1 simultaneous SCO or eSCO link with CVSD coding Supports eSCO Scatternet support: Up to 4 piconets simultaneously with background inquiry/page scan Supports sniff mode AFH and PTA collaborative support for WLAN/BT coexistence Idle mode and sleep mode enables ultra-low power consumption Supports PCM interface and built-in programmable transcoders for linear voice with re- transmission Built-in hardware modem engine for access code correlation, header error correction, forward error correction, CRC, whitening and encryption Channel quality driven data rate adaptation Channel assessment for AFH Platform features Embedded processor for Bluetooth protocol stac with built-in memory system Fully verifiedROM based system with code patch for feature enhancement 4 FM Features 65-108MHz worldwide FM bands with 50KHz tuning step Supports RDS/RBDS radio data system Digital stereo demodulator Adaptive FM demodulator for both high- and low-quality scenarios Low sensitivity level with superior interference rejection Programmable de-emphasis (bypass/50 uS/75 uS) Stereophonic multiplex signal (MPX) signal detection and demodulation Superior stereo noise reduction and soft mute volume control Audio dynamic range control Mono/stereo blending Audio sensitivity3dBμVemf (SINAD=26dB) Audio SINAD≥ 60dB Supports Anti-jamming algorithm Supports short antenna

Hardware RD. Document NO.: REV: ÉîÛÚÊÐ ̧£ÌïÇø³μ¹«ÃíÌ©È»¹¤ÒμÇø Spreadtrum communications, Inc. COMPANY: SHEET: 2 OF 11 Drawn: Tel£º Add£º Title: V1.0 6 B C D 1 2 3 4 5 6 D C B A 5 1 2 3 4 A LCM MSDC CAMERA KEY UART I2C Other interface USB ADC SYS_CTL MT6261 BB R15 MCCK N14 MCCM0 P15 MCDA0 J15 LSCE_B J16 LSRSTB K16 LSCK K15 LSDA L15 LSA0 M15 LPTE B12 CMPDN A12 CMRST C9 CMDAT1 A10 CMDAT0 B10 CMMCLK B11 CMPCLK C15 KROW3 B15 KROW2 A15 KROW1 A16 KROW0 C14 KCOL3 C13 KCOL2 A13 KCOL1 B13 KCOL0 D15 URXD1 D16 UTXD1 E15 GPIO_1 F15 GPIO_2 G16 GPIO_4 P10 USB11_DM P11 USB11_DP N8 AUXIN4 G15 GPIO_5 E8 SCL28 D9 SDA28 B3 EINT C16 KROW4 D14 KCOL4 E14 GPIO_0 F16 GPIO_3 H15 GPIO_6 H14 GPIO_7 H13 GPIO_8 H12 GPIO_9 D4 GPIO_10 B5 GPIO_11 N15 MCDA1 P13 MCDA2 N13 MCDA3 G5 TESTMODE C5 SRCLKENAI U100-A MT6261 USB_DM [4] USB_DP [4] URXD1 [4] UTXD1 [4] CMRST [5] LSCE_B [5] LSRSTB [5] LSCK [5] LSDA [5] LSA0 [5] KCOL0 [4,6] KCOL3 [6] KROW0 [6] KROW1 [6] SCL28_G [5] SDA28_G [5] MCCK [6] MCCM0 [6] MCDA0 [6] MCDA1 [6] MCDA2 [6] MCDA3 [6] SFSWP SFSIN SFCS0 SFSOUT SFSCK SFHOLD KCOL1 [6] KCOL2 [6] KROW2 [6] KROW3 [6] KROW4 [6] CMDAT1 [5] CMDAT0 [5] CMMCLK [5] CMPCLK [5] CMPDN [5] EAR_EINT [4] GPIO_0_LED [5] GPIO_1_CAM_LED [5] GPIO_2_PWDN2 [5] A 4 3 2 1 5 A B C D 6 5 4 3 2 1 D C B 6 V1.0 Title: Add£º Tel£º Drawn: SHEET: 2 OF 11 COMPANY: Spreadtrum communications, Inc. ÉîÛÚÊÐ ̧£ÌïÇø³μ¹«ÃíÌ©È»¹¤ÒμÇø REV: Document NO.: Hardware RD. ABB 25mils 25mils Three CAP close to MT6260 Charge Pump Pulse Charger 40mils 40mils This Cap shoud be placed near MT6261 CHRIN max. 8.0V when U290 NC N4,N5 GND TO C215 C216 GND Battery w/o NTC, R208 10K and R209 1K POWER IN VBAT IN AUDIO LED DRV PMU LDO CHARGER SIM SYS CTL MT6261 ABB Boost D8 VIO28 G2 PWRKEY K2 KPLED K3 ISINK G3 VBAT_VA P8 VCORE J14 VSF R13 VSIM1 M14 VSIM2 N11 VUSB D12 GND R10 VIBR E5 VRF G1 VREF P9 VRTC R16 VMC M1 SPK_OUTN N1 SPK_OUTP R4 AU_HSN R2 AU_HPL R3 AU_HSP R1 AU_HPR M7 AU_VIN0_P N7 AU_VIN0_N P6 AU_VIN1_P P7 AU_VIN1_N P12 SIM1_SCLK R12 SIM1_SRST N16 SIM2_SCLK M16 SIM2_SRST M13 SIM2_SIO C12 VDDK H2 CHR_LDO H3 BATSNS H4 ISENSE K1 DRV J2 BATON L7 AU_MICBIAS0 M4 VSBST R9 VBAT_DIGITAL L8 ACCDET J13 RESETB M12 VIO18 G4 VCAMA J1 VCDT N4 AVSS44_BOOST M2 AVSS_SPK N2 AVSS_SPK G6 AVSS44_ALDO P4 VSBST_OUT R7 AVSS28_ABB E12 GND E9 GND F10 GND G7 GND G9 GND G8 GND H8 GND H9 GND J9 GND K10 GND E2 AVSS44_ALDO J12 GND L2 AVSS44_PMU P2 AVDD_SPK M11 SIM1_SIO R5 VA L4 AVDD25_V2P5 M5 VSBST E13 GND P5 AVSS28_ABB N5 AVSS44_BOOST L10 AVSS44_DLDO U100-B MT6261 1 E 5 G 4 S 2 B 8 D 3 D 6 C 7 C U200 MC2539 C200 1uF C201 1uF C202 1uF C230 0.01uF R200 NC C203 1uF C358 NC/10nF R201 1K R202 1K C204 1uF C205 1uF C206 1uF C207 1uF C208 1uF C209 1uF R207 1.5K C211 1uF C217 4.7uF D301 SOD523 C215 4.7uF C212 1uF R206 0.2R / 0805 R203 330K R204 39K R205 3.3K C213 330PF C216 2.2uF R208 10K R209 1K C218 NC/470NF C214 1uF C677 0603_1UF_10V D4 NC/SOD523 L200 INDUCTORB 0.68uH C:PROGRAM FILESORCADCAPTURELIBRARYIECDEVICE.OLB C1 1uF 1 + 2 - J302 MOT_PAD C210 1uF 1 2 3 J4 VABT_3PIN-L26 1 2 3 4 5 6 J5 VBAT_L26_4PIN KPLED [6] ISINK0 [5] PWRKEY [4,6] SIM1_SRST [6] SIM1_SCLK [6] SIM1_SIO [6] SPKN0 [4] SPKP0 [4] MICN0 [4] MICP0 [4] AVDD43_VBOOST [2] AVDD43_VBOOST [2] ISENSE [2] DRV [2] CHR_LDO [2] VCDT [2] VCDT [2] CHR_LDO [2] DRV [2] ISENSE [2] VBAT [2,3,4,5,6] VIO18 [2,5] BATON [2] BATON [2] VBAT [2,3,4,5,6] CHR_LDO [2] VSIM1 [6] VMC [2,6] VRTC [2] VA [2] VSIM2 [6] SIM2_SRST [6] SIM2_SCLK [6] SIM2_SIO [6] VIBR [2] HSP [4] HSN [4] MICP1 [4] MICN1 [4] ACCDET [4] HPR [4] HPL [4] VCAMA [5] MICBIAS0 [4] VBAT [2,3,4,5,6] VCORE [2] VBOOST [2] VBAT [2,3,4,5,6] VBOOST [2] VBAT [2,3,4,5,6] VBAT [2,3,4,5,6] VCHG [4] VCORE [2] VIO28 [2,3,4,5] VSF [2] VRF [2] VIO18 [2,5] VBAT [2,3,4,5,6] VUSB [2] VIBR [2] VMC [2,6] VIO28 [2,3,4,5] VIO18 [2,5] VSF [2] VRF [2] VA [2] VUSB [2] VRTC [2] Hardware RD. Document NO.: REV: ÉîÛÚÊÐ ̧£ÌïÇø³μ¹«ÃíÌ©È»¹¤ÒμÇø Spreadtrum communications, Inc. COMPANY: SHEET: 2 OF 11 Drawn: Tel£º Add£º Title: V1.0 6 B C D 1 2 3 4 5 6 D C B A 5 1 2 3 4 A Close to IC 26M All block close to MT6260 50 ohm 50 ohm 50 ohm 50 ohm 50 ohm 50 ohm 50 ohm 50 ohm 50 ohm 50 ohm Design output low(JTAG trap) (BPI_BUS1 , BPI_BUS2 ) 00 : X (BPI_BUS1 , BPI_BUS2 ) 01 : KEYPAD (BPI_BUS1 , BPI_BUS2 ) 11 : CAM Optional signal for ATV connect to GND when no ATV 50ohm match Close to IC For BT ANT matching POWER IN GSM BT FM 26M & CLK BUFFER MT6261 RF M8 APC B9 BPI_BUS0 B8 BPI_BUS1 A9 BPI_BUS2 A3 XTAL1 A4 XTAL2 F2 FM_ANT_P D2 TX_HB C1 TX_LB B2 RXHB A1 RXLB B6 FREF A7 BT_LNA A2 AVSS_2GHF C2 AVSS_2GHF D1 AVSS_2GHF B4 AVSS_2GLF A6 AVSS_BT F1 AVSS_FM B7 AVSS_BT C8 AVDD15_BTRF D5 EXT_CLK_SEL U100-C MT6261 23 ANT 12 BS 11 TX_EN 10 VRAMP 9 VLOGIC 7 VBATT 13 RVSD 16 RVSD 18 RVSD 15 DCS_RX 17 GSM_RX 1 GND 2 GND 4 GND 6 GND 8 GND 14 GND 3 DCS_TX 5 GSM_TX 19 GND 20 GND 21 GND 22 GND 24 GND 25 GND 26 GND 27 GND 28 GND 29 GND 30 GND 31 GND U300 HS8269 1 2 P301 RF_TEST ANT1 ANT2 C300 1uF C310 0.5PF/15NH C301 4.3NH/3.3NH C312 NC C313 18NH C314 1.5PF/1.8PF C315 NC/1.2NH C308 8.2NH C309 0R L301 4.3nH R302 10K R303 10K C306 2.2PF C307 2.2PF C303 22PF C304 0.01uF C305 4.7uF C302 220PF R301 10K RF300 NC L300 4.3nH R304 0R R300 24K 2 1 4 3 X201 XTAL-CRYSTAL-SQ3D02600B2IBA C316 NC R306 0R C317 NC C318 NC/0.5PF L302 NC/1.2nH C319 NC/1.5PF L303 NC/4.3nH C320 NC/1.8PF L304 NC/2.7nH C321 NC/1.5PF L305 NC/4.7nH C322 NC/1.2PF ANT3 C491 22uF GND 1 IN 2 OUT 3 4 5 6 J12 NC/ECT818000001 C311 NC APC_VBIAS [3] DCS1800 [3] GSM900 [3] TX_EN [3] BANDSW [3] TR_SW_EN [3] HB_TX [3] LB_TX [3] HB_TX [3] LB_TX [3] GSM900 [3] DCS1800 [3] TR_SW_EN [3] TX_EN [3] BANDSW [3] APC_VBIAS [3] TR_SW_EN [3] TX_EN [3] VIO28 [2,4,5] FM_ANT-P [4] VBAT [2,4,5,6] Hardware RD. Document NO.: REV: ÉîÛÚÊÐ ̧£ÌïÇø³μ¹«ÃíÌ©È»¹¤ÒμÇø Spreadtrum communications, Inc. COMPANY: SHEET: 2 OF 11 Drawn: Tel£º Add£º Title: V1.0 6 B C D 1 2 3 4 5 6 D C B A 5 1 2 3 4 A HANDSET MICOPHONE near BB located in Shielding case SPK TEST MARK I/O Near to BB Near to IO R400 1K R403 1.5K R402 1.5K R401 1K C402 4.7uF R404 0R R405 0R C403 10…

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Note: This test report is prepared for the customer shown above and for the equipment described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. FCC PART 15.247 TEST REPORT For Collage Investments LLC. 11437 NW 34 STREET, DORAL, FLORIDA 33178 U.S.A FCC ID:GAO-LK300 Report Type: Original Report Product Type: Mobile Phone Test En gineer: Mike Hu Re port Number: RSH150124050-00A Re port Date: 2015-02-09 Reviewed B y: Jimmy Xiao RF En gineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F, the 3rd Phase of WanLi Industrial Building ShiHua Road, FuTian Free Trade Zone Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH150124050-00A FCC Part 15.247 Page 2 of 63 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 SPECIAL ACCESSORIES ................................................................................................................................................. 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 EXTERNAL I/O CABLE .................................................................................................................................................. 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 FCC §15.247 (i) & §2.1093 – RF EXPOSURE ............................................................................................................ 9 APPLICABLE STANDARD .............................................................................................................................................. 9 FCC §15.203 – ANTENNA REQUIREMENT .......................................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 10 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 MEASUREMENT UNCERTAINTY .................................................................................................................................. 11 EUT SETUP ................................................................................................................................................................ 11 EMI TEST RECEIVER SETUP ....................................................................................................................................... 12 TEST PROCEDURE ...................................................................................................................................................... 12 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 12 CORRECTED FACTOR & MARGIN CALCULATION ....................................................................................................... 12 TEST RESULTS SUMMARY .......................................................................................................................................... 13 TEST DATA ................................................................................................................................................................ 13 FCC §15.205, §15.209 & §15.247(d) – RADIATED EMISSIONS ........................................................................... 16 APPLICABLE STANDARD ............................................................................................................................................ 16 MEASUREMENT UNCERTAINTY ................…

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