TT2BHF500WIRELESS HANDSFREE CARKIT

1. Getting Started 1) Connection, Battery, FM Status 2) Microphone 3) Multi-function button 4) FM/TTS Button 5) Volume Up Button 6) Volume Down Button 7) Charging Port 8) Speaker 2. Charging the Product Be sure to use the vehicle charger and USB charger cable provided. 1 2 7 6 8 5 4 3 The product uses an advanced lithium polymer rechargeable battery. It is important that you charge the product for 2 hours the first time you use it, to ensure the battery is fully charged ready for use and for best performance. 1) How to charge Connect the product to the USB charger cable to the vehicle charger. Plug the vehicle charger into your car’s power outlet. The light on the USB charger cable will light up red while it is charging. When the light on the USB charger cable turns green, this indicates that the product is fully charged. Note: When the battery of the product is low, the battery icon on the product will blink, indicating that it needs to be charged again. 3. Pairing Before you use the product you must first pair it with your mobile phone. Note: you can only pair devices that are Bluetooth enabled. To see if you mobile phone is Bluetooth enabled. Check your mobile phone’s user guide. 1) If product is powered on, turn off the product. 2) Press the Multi-function button for 7 sec. Release the button when Bluetooth status icon on the product begins to flash quickly with beep sound (or TTS Message: Pairing succeeded). 3) Find the product (BHF-500) by using device find function on the mobile phone. 4) Enter the passkey 0000 on your mobile phone. 5) When the product is successfully paired, you will see a change of Bluetooth status icon or hear the message or tone that it is paired with your mobile phone. Note: If both devices do not pair within 2 minute, the product will go into stand by mode and you will need to initiate re-pairing by repeating steps 1 to 4. 4. Using the product 1) Turning the product On/Off Power On: Push the multi-function button of the product for 2 seconds to turn it on. Power Off: Push the multi-function button of the product for 4 seconds to turn it off. 2) Connection To connect between the product and mobile phone, quick press on the Multi- function button. 3) Call Functions *Answer a call: Push with one quick press on the multi-function button. *End a call: Push with one quick press on the multi-function button. *Voice Dialing: To place a call using voice dialing, push with one quick press ( 1 second) on the multi-function button of the product. You will hear the beep. Next, say the name that wish to call using the voice tag that you previously recorded for that number. * the voice dialing function is handset dependant. Consult your mobile phone’s user guide to see if it supports voice dialing. Transferring calls between the product and mobile phone: To transfer a call from the product to mobile phone, push with two quick presses on multi-function button of the product during the call. Repeat this to transfer a call from your mobile phone back to the product. 6) Reject a call: To reject an incoming call when the product is ringing, press on for 1 seconds on the multi-function of the product. A busy tone will be sent to the caller. * The reject a call function is handset dependant. Last numbers redial To redial the last number you called, press the multi-function button of the product twice. 8) Volume Up / Down Use the Volume Up / Down button to adjust the volume. 9) Mute / Un-mute Hold down the Volume Down button for 1 second during the call. In this case, you will be able to hear the other person but they won’t be able to hear you. To un- mute the call, hold down the Volume Up or Volume Down button. 10) Remove a registered mobile phone name from a list. The product has a registered mobile phone list that is recently connected. To remove the lists, hold down the multi-function button, Volume Up button and FM/TTS Button at the same time for 7 seconds. The product will beep indicating that the lists were removed. Note: The product will function in pairing mode after removing the lists. 11) Blind Mode To turn off the status icon while using the product, hold down the Volume Up button and FM/TTS button for 1 second at the same time. The light on the status icon will be switched off but the product will continue to Note: To end up the Blind Mode, you will need to repeat the above steps. 12) FM Transmission To use the car audio system, push with one quick press on FM/TTS button of the product. The FM status icon will be lit on. Before using this function, tune into an unused frequency channel between the product and car audio system. [See the 14) ] Note: 1. To end the FM transmitter function, push with one quick press on FM/TTS button. 2. The FM transmitter function will automatically switch off itself after 1 minute if you don’t try to make a call or transfer music via car audio system. 12) FM Frequency Selection Mode When FM transmission mode is not active, press on the FM/TTS button for 2 seconds. Release the FM/TTS button when you are able to hear the beep. Then FM status icon will be blinking each 1 second indicating that FM Frequency Selection Mode is on. Note: To end the FM Frequency Selection Mode, repeat the above steps. 13) Tuning a FM Frequency When the product is in FM Tuning mode, select 7 frequencies saved by pushing Volume Up and Volume down button. This function is operated only after exiting the selection mode. 15) Scanning one from available FM Frequency To save the frequency available, press on the FM/TTS button for 4 seconds while the product is paired with mobile phone. The frequencies will automatically be saved. Those frequencies will be used for 13) Tuning a FM Frequency Note: You do not need to scan again if you use it in the same area. 16) Caller ID There is an incoming call, the caller’s ID number will be displayed on the car audio system LCD when there is an incoming call. Note: Caller ID function is car audio system dependant. (RDS feature should…

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ENUSTECH.,INC. JnJ Bldg., 5 Yeoksam 2(i)-dong,785-12,Gangnam-gu,Seoul 135-515,Korea Tel. +82-2-565-0785 Fax +82-2-3452-3603 January 25, 2008 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 LETTER OF AUTHORIZATION To whom it may concern: We, the undersigned, hereby authorize LTA Co., Ltd., to act on our behalf in all manners relating to application for equipment authorization for FCC ID: TT2BHF500. including signing of all documents relating to these matters. Any and all acts carried out by LTA Co., Ltd., on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from ENUSTECH.,INC. LTA Co.,LTD. (Contact Person) Contact name: LEE, Kyung-Taek Position: Manager Phone:(82)31-323-6008 E-mail: [email protected] Sincerely, Sang-Yong, Shin / Product Manager Company name: ENUSTECH.,INC. Phone:(82)2-565-0785

ENUSTECH.,INC. JnJ Bldg., 5 Yeoksam 2(i)-dong,785-12,Gangnam-gu,Seoul 135-515,Korea Tel. +82-2-565-0785 Fax +82-2-3452-3603 January 25, 2008 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 In re : ENUSTECH.,INC. FCC ID : TT2BHF500 Request for Confidentiality Gentlemen: Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Schematics [TT2BHF500] SCH.pdf Parts list [TT2BHF500] PL.pdf Block diagram [TT2BHF500] BLK.pdf Operational description [TT2BHF500] OpDes.pdf The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, __________________________ Sang-Yong, Shin /Manager ENUSTECH.,INC.

Model No.: BHF-500 FCC ID: TTEBHF500 Copyright ○ c 2008, LTA Co., Ltd. Page 1 of 3 Model No.: BHF-500 FCC ID: TTEBHF500 Copyright ○ c 2008, LTA Co., Ltd. Page 2 of 3 Model No.: BHF-500 FCC ID: TTEBHF500 Copyright ○ c 2008, LTA Co., Ltd. Page 3 of 3

FCC ID: TT2BHF500 Copyright Ⓒ 2008, LTA Co., Ltd. SAMPLE LABEL & LOCATION ENUSTECH FCC ID:TT2BHF500 M/N: BHF-500 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Made in Korea

Model No.: BHF-500 FCC ID: TT2BHF500 Copyright ○ c 2008, LTA Co., Ltd. Page 1 of 3 Model No.: BHF-500 FCC ID: TT2BHF500 Copyright ○ c 2008, LTA Co., Ltd. Page 2 of 3 Model No.: BHF-500 FCC ID: TT2BHF500 Copyright ○ c 2008, LTA Co., Ltd. Page 3 of 3 FMT ANTENNA Bluetooth ANTENNA

Ref. No.: LR500190801A Copyright ○ c 2008, LTA Co., Ltd. Page 1 of 28 243 Jubug-Ri,Yangji-Myeon, Yongin-Si, Gyeonggi-Do, Korea 449-822 Tel: +82-31-323-6008 Fax: +82-31-323-6010 http://www.ltalab.com Dates of Tests: Jan. 15 ~ 24 2008 Test Report S/N: LR500190801A Test Site : LTA CO., LTD. CERTIFICATION OF COMPLIANCE FCC ID. APPLICANT FCC Classification : FHSS Sequence Spread Spectrum (FHSS) Manufacturing Description : Wireless Handsfree Carkit Manufacturer : ENUSTECH.,INC. Model name : BHF500 Test Device Serial No.: : Identical prototype Rule Part(s) : FCC Part 15.247 Subpart C; ANSI C-63.4-2003 Frequency Range : 2402 ~ 2480MHz RF power : 6.12dBm - Conducted Data of issue : January 24, 2008 This test report is issued under the authority of: The test was supervised by: Dong –Min JUNG, Technical Manager Kyung-Taek LEE, Test Engineer This test result only responds to the tested sample. It is not allowed to copy this report even partly without the allowance of the test laboratory. This report must not be used by the applicant to claim product endorsement by any agency. NVLAP LAB Code.: 200723-0 TT2BHF500 ENUSTECH.,INC. Ref. No.: LR500190801A Copyright ○ c 2008, LTA Co., Ltd. Page 2 of 28 TABLE OF CONTENTS 1. GENERAL INFORMATION’S -------------------------------------------------------------------------- 2. INFORMATION’S ABOUT TEST ITEM ------------------------------------------------------------- 3. TEST REPORT --------------------------------------------------------------------------------------------- 3.1 SUMMARY OF TESTS ------------------------------------------------------------------------------ 3.2 TECHNICAL CHARACTERISTICS TEST ------------------------------------------------------- 3.2.1 CARRIER FREQUENCY SEPARATION ---------------------------------------------------- 3.2.2 NUMBER OF HOPPING FREQUENCIES -------------------------------------------------- 3.2.3 20 dB BANDWIDTH ---------------------------------------------------------------------------- 3.2.4 TIME OF OCCUPANCY (Dwell Time) ------------------------------------------------------- 3.2.5 TTANSMITTER OUTPUT POWER ---------------------------------------------------------- 3.2.6 BAND – EDGE ----------------------------------------------------------------------------------- 3.2.7 FIELD STRENGTH OF HARMONICS ------------------------------------------------------ 3.2.8 AC CONDUCTED EMISSIONS -------------------------------------------------------------- APPENDIX APPENDIX TEST EQUIPMENT USED FOR TESTS -------------------------------------------- 3 4 5 5 6 6 8 11 13 15 17 22 24 27 Ref. No.: LR500190801A Copyright ○ c 2008, LTA Co., Ltd. Page 3 of 28 1. General information’s 1-1 Test Performed Company name : LTA Co., Ltd. Address : 243, Jubug-ri,Yangji-Myeon,Youngin-Si, Kyunggi-Do, Korea. 449-822 Web site : http://www.ltalab.com E-mail : [email protected] Telephone : +82-31-323-6008 Facsimile +82-31-323-6010 Quality control in the testing laboratory is implemented as per ISO/IEC 17025 which is the “General requirements for the competents of calibration and testing laboratory”. 1-2 Accredited agencies LTA Co., Ltd. is approved to perform EMC testing by the following agencies: Agency Country Accreditation No. Validity Reference NVLAP U.S.A 200723-0 2008-09-30 ECT accredited Lab. RRL KOREA KR0049 2009-06-20 EMC accredited Lab. FCC U.S.A 610755 2008-03-28 FCC filing VCCI JAPAN R2133, C2307 2008-06-22 VCCI registration IC CANADA IC5799 2008-04-23 IC filing Ref. No.: LR500190801A Copyright ○ c 2008, LTA Co., Ltd. Page 4 of 28 2. Information’s about test item 2-1 Applicant & Manufacturer Company name : ENUSTECH.,INC. Address : JnJ Bldg., 5 Yeoksam 2(i)-dong,785-12,Gangnam-gu, Seoul 135-515,Korea Tel / Fax : +82-2-565-0785 / +82-2-565-0785 2-2 Equipment Under Test (EUT) Trade name : Wireless Handsfree Carkit FCC ID : TT2BHF500 Model name : BHF500 Serial number : Identical prototype Date of receipt : January 08, 2008 EUT condition : Pre-production, not damaged Antenna type : Pattern Antenna Max Gain -1.6dBi Frequency Range : 2402 ~ 2480MHz RF output power : 6.12 dBm - Conducted Number of channels : 79 Duty cycle : 78.7 % Channel spacing : 1MHz Channel Access Protocol : Frequency Hopping Type of Modulation : GFSK Power Source : 1100mAh rechargeable Lithium Polymer 2-3 Tested frequency LOW MID HIGH Frequency (MHz) 2402 2441 2480 2-4 Ancillary Equipment Equipment Model No. Serial No. Manufacturer DC Power Supply E3615A KR72705061 HP DC/DC Charger - - - Ref. No.: LR500190801A Copyright ○ c 2008, LTA Co., Ltd. Page 5 of 28 3. Test Report 3.1 Summary of tests FCC Part Section(s) Parameter Limit Test Condition Status (note 1) 15.247(a) Carrier Frequency Separation > 25 kHz C 15.247(a) Number of Hopping Frequencies > 75 hops C 15.247(a) 20 dB Bandwidth - C 15.247 Dwell Time < 0.4 seconds C 15.247(b) Transmitter Output Power < 1Watt C 15.247(d) Conducted Spurious emission > 20 dBc C 15.247(d) Band Edge > 20 dBc Conducted C 15.249 / 15.209 Field Strength of Harmonics < 54 dBuV (at 3m) C 15.109 Field Strength - Radiated C 15.207 /15.107 AC Conducted Emissions EN 55022 Line Conducted C 15.203 Antenna requirement - - C Note 1: C=Complies NC=Not Complies NT=Not Tested NA=Not Applicable Note 2: The data in this test report are traceable to the national or international standards. The sample was tested according to the following specification: FCC Parts 15.247; ANSI C-63.4-2003 Æ Antenna Requirement The ENUSTECH.,INC. BHF500 unit complies with the requirement of §15.203. The antenna is PCB Pattern antenna. Ref. No.: LR500190801A Copyright ○ c 2008, LTA Co., Ltd. Page 6 of 28 3.2 Transmitter requirements 3.2.1 Carrier Frequency Separation Procedure: The carrier frequency separation was measured with a spectrum analyzer connected to the antenna terminal, while EUT had its hopping function enabled. After the trace being stable, the reading value between the peaks of the adjacent channels using the marker-delta function was recorded as the measurement results. T…

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FCC ID: TT2BHF500 Copyright Ⓒ 2008, LTA Co., Ltd. Page 1 of 2 Radiated Emission FCC ID: TT2BHF500 Copyright Ⓒ 2008, LTA Co., Ltd. Page 2 of 2 Conducted Emission