Free Manual Wireless Headset & Dongle CONTENTS I. Introduction II. FCC Notice III. Features IV. Included in This Kit V. Location of Controls VI. Description of Key Components VII. Specifications VIII. How to Use IX. For the Best Use X. Troubleshooting XI. Warranty Guideline I. Introduction No wires. No limits. Enjoy the convenience of hands-free communication with total freedom of movement. DOnetworks' DOFree Bluetooth headset, very comfortable when it's worn, easy to use, is a high-tech wireless hands-free product. Automatically link to other Bluetooth technology enabled products up to 10 meters(33 ft) away without ever touching the devices. Store in a pocket, in a briefcase, across the room or even in the trunk of a car and enjoy effortless, quality communication. All calls are transmitted wirelessly to your earpiece. DOFree gives you easy, intuitive access to volume controls, features LED and audible status indicators. Much work has gone into making the DOFree as practical and easy to use as possible. The ear loop is flexible enough to fit most ears and sturdy enough to hold the headset firmly in place. The user can put it on with one hand and move around freely just pressing a button on the control unit to answer or reject calls. The DOFree is the ideal accessory for people who lead an active life. DOnetworks' DOFree Bluetooth headset will be the key to the people who use cell-phone excessively while driving, sporting, travel, etc. Notice : The changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. II. FCC Notice The Headset and Dongle(Audio Gateway) may cause TV or radio interference if used in close proximity to receiving equipment. The FCC can require you to stop using the phone if such interference cannot be eliminated. Vehicles using liquefied petroleum gas (such as propane or butane) must comply with the National Fire Protection Standard (NFPA-58). For a copy of this standard, contact the National Fire Protection Association. One Battery March Park, Quincy, MA 02269, Attn: Publication Sales Division. Cautions Any changes or modifications to your phone not expressly approved in this document could void your warranty for this equipment, and void your authority to operate this equipment. Only use approved batteries and chargers. The use of any unauthorized accessories may be dangerous and void the Headset and Dongle(Audio Gateway) warranty if said accessories cause damage or a defect to the phone. Although your Headset and Dongle(Audio Gateway) are quite sturdy, it is complex piece of equipment and can be broken. Avoid dropping, hitting, bending or sitting on it. IMPORTANT NOTE: To comply with the FCC RF exposure compliance requirements, no change to the antenna or the device is permitted. Any change to the antenna or the device could result in the device exceeding the RF exposure requirements and void user’s authority to operate the device. III. Features The smallest size, ultra lightweight DOFree is ultra lightweight; extremely portable, comfortable to wear for a long phone call. DOFree is easy to quickly and conveniently put the headset on your ear, and to take off again and easy to use the control buttons on the headset. Free Your Hands - Free Your Life Invest in increased efficiency, greater freedom of movement, and a major upgrade in mobile style with the DOnetworks. This compact headset is equipped with a wireless connection, giving you hands-free control over your mobile phone without the need for obtrusive cables or wires. Designed for both looks and comfort, the DOFree fits inconspicuously in either ear, allowing you convenient and discreet access to all basic call controls-whether your phone is stashed away in your briefcase or lying on a table nearby. The high quality of your conversation The DOFree headset, the latest technology of DOnetworks, was developed to acquire the highest quality of the telephonic communication. DOFree improves your ability to hear conversations clearly even in noisy environments. Automatic stand-by mode 30 seconds after you finish talking, DOFree Bluetooth headset turns to stand-by mode automatically to prevent the draining the battery. Volume controlling by one-touch The volume control button locate upper in front of the headset, hence the user may start conversation, control the volume without touching the cell-phone itself. A separate volume control lets you raise(△) and lower(▽) the call volume as you move from place to place-from bedroom to boardroom, cafe to conference, or presentation to party. Compatibility with Non Bluetooth cell-phone The Dongle of DOnetworks enables to use the Bluetooth headset for the non Bluetooth cell-phone user. The Dongle is ultra lightweight, micro-sized, stylish designed. Designed for both ears It may be worn on either ear for any circumstances. Safe High-Capacity Li-ion Polymer Battery used The latest High-technology Li-ion Polymer battery helps reduce the unit’s size. It is not harmful to humans, and can be used for a longer time. IV. Included in This Kit Basic set Item DOFree Bluetooth Headset Dongle(Audio Gateway) Adaptor Qty. 1 1 1 V. Location of Controls Bluetooth Headset Dongle(Audio Gateway) VI. Description of Key Components Headset z Talk Button(☎) On/OFF and Redial Functions. Receiving or Hang up a call z Volume Up(△) & Down(▽) Button : Volume Control z LED Lamp Indicate On/OFF(Green Lamp) Indicate Charging status(Red Lamp). z Speaker : Make beep sound when a button on the headset is pressed and Receiving a phone call. Dongle(Audio Gateway) z On/Off Switch - On/OFF Function z LED Lamp : Indicate On/OFF (Green Lamp) Indicate Charging status(Red Lamp). z Control Button : Initialize setting for pairing with Headset z Insert the “Ear Plug” into the earphone jack of your cellular phone. Adaptor z Simultaneous charging for both the headset and dongle. VII. Specifications Headset & Dongle - Frequency ban…

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Cover Letter(s)

DOnetworks CO., LTD. 3F Yangjae Bldg, #264-3, Yangjae-dong, Seocho-gu, Seoul, 137-130, Republic of Korea Chief, Equipment Approval Services Federal Communications Commission PO Box 358315 Pittsburg, PA 15251-5315 Seoul, November 26, 2004 Authorization Letter Dear Sir or Madam: We, DOnetworks CO., LTD., hereby authorize TÜV Rheinland Korea Ltd. 2F., Sehwa Bldg. 157-16 Samsung-dong, Gwangnam-Gu, Seoul 135-090, R.O.K. To act as our agent and to process and sign on our behalf for equipment authorization under FCC Part 15, Subpart C. This authorization is applicable for the product: DOFree Dongle (DDD-400 ) with FCC ID: SPQDODDD-400. Sincerely, Jung Won Kang President

Cover Letter(s)

DOnetworks CO., LTD. 3F Yangjae Bldg, #264-3, Yangjae-dong, Seocho-gu, Seoul, 137-130, Republic of Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Seoul , November 25, 2004 REQUEST FOR CONFIDENTIALITY, FCC ID: SPQDODDD-400 Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission's Rules, the Applicant hereby requests confidential treatment of information accompanying as outlined below: • Schematic drawing • Bill of Materials The above materials contain trade secrets and proprietary information not customarily released to the public. Public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Jung Won Kang President

External Photos

TÜV Rheinland Product Safety GmbH External Photos 13003601 Revision No : 1.1 Page: 1 of 2 * External view 1. Front side 2. Front side view TÜV Rheinland Product Safety GmbH External Photos 13003601 Revision No : 1.1 Page: 2 of 2 3. Rear side 4. Rear side view

Internal Photos

TÜV Rheinland Product Safety GmbH Internal Photos 13003601 Revision No : 1.1 Page: 1 of 3 * Internal view 1. Internal TÜV Rheinland Product Safety GmbH Internal Photos 13003601 Revision No : 1.1 Page: 2 of 3 2. PCP Top View 3. PCP Bottom View TÜV Rheinland Product Safety GmbH Internal Photos 13003601 Revision No : 1.1 Page: 3 of 3 4. Top Side for Battery PCB 5. Bottom Side for Battery PCB

Operational Description

TÜV Rheinland Product Safety GmbH Am Grauen Stein D - 51105 Köln EUT operational and EUT description Seite 1 von 1 Page 1 of 1 * Introduction Automatically link to other mobile phones with Dongle(Audio Gateway) Automatically link to other non Bluetooth mobile phones up to 10 meters(33 ft) away using DOFreeDongle(Audio Gateway). Much work has gone into making the DOFree Dongle as practical and easy to use as possible. The DOFree Dongle is the ideal accessory for people who lead an active life. * Features The smallest size, ultra lightweight DOFree Dongle is ultra lightweight; extremely portable. Transmitting-receiving with headset The high quality of your conversation The DOFree headset, the latest technology of DOnetworks, was developed to acquire the highest quality of the telephonic communication. DOFree improves your ability to hear conversations clearly even in noisy environments. Automatic stand-by mode 30 seconds after you finish talking, DOFree Bluetooth Dongle turns to stand-by mode automatically to prevent the draining the battery. Easy to Use LED Light indicator for power on/off and easy to use on/off switch. Not neccessory to know bluetooth tehnologies. Compatibility with Non Bluetooth cell-phone The Dongle of DOnetworks enables to use the Bluetooth headset for the non Bluetooth cell-phone user. The Dongle is ultra lightweight, micro-sized, stylish designed. Safe High-Capacity Li-ion Polymer Battery used The latest High-technology Li-ion Polymer battery helps reduce the unit’s size. It is not harmful to humans, and can be used for a longer time. Connect to the cellular phone. Insert the 2.5mm "Ear Plug" into the earphone jack of your cellular phone

Test Report

TÜV Rheinland Product Safety GmbH REPROT NO : 13003601 Revision No : 1.1 Page: 1 of 48 FCC Part 15 TEST REPORT December 8, 2004 TUV Rheinland Korea Ltd. TÜV Rheinland Product Safety GmbH REPROT NO : 13003601 Revision No : 1.1 Page: 2 of 48 TEST REPROT CERTIFICATION Applicant : DOnetworks Co., Ltd. Adderss : 3F Yangjae Bldg, #264-3, Yangjae-dong, Seocho-gu, Seoul, 137-130, Republic of Korea EUT Name : DOFree Dongle Model No. : DDD-400 Serial No. : Prototype FCCID : SPQDODDD-400 Testing location : Nex1 Future Co.,Ltd. 133, Gongdan-dong, Gumi-City , Gyeongbuk 730-703, R.O.K Applied specification : FCC Part 15 , ANSI C63.4-2003 Test result : The above mentioned test item passed. Tested by : Gye-Woog Lee Date Signature Reviewed by : Uon-Chae Song Date Signature I HEREBY CERTIFY THAT the data shown in this report were made in accordance with the Procedures given in the applied specification and I assume full responsibility for accuracy and completeness of these data. Note : This test report relates to the a. m. test item. Without permission of the test center this test report is not permitted to be duplicated in extracts. This test report does not entitle to carry any test mark on this or similar products. December 8,2004 December 8,2004 TÜV Rheinland Product Safety GmbH REPROT NO : 13003601 Revision No : 1.1 Page: 3 of 48 Contents 1. GENERAL INFORMATION................................................................................................. 5 1.1 PRODUCT DESCRIPTION............................................................................................... 5 1.2 PROJECT DATA............................................................................................................ 5 1.3 APPLICANT................................................................................................................. 5 1.4 MANUFACTURER......................................................................................................... 5 2. EUT INFORMATION........................................................................................................ 6 2.1 GENERAL EUT INFORMATION....................................................................................... 6 2.2 CENTER FREQUENCY OF TESTED CHANNEL................................................................... 6 2.3 TEST ENVIRONMENT.................................................................................................... 6 2.4 ACCESSORIES AND ANCILLARY EQUIPMENT.................................................................. 6 3. TESTING FACILITIES....................................................................................................... 7 4. EUT DESCRIPTION AND OPERATIONAL DESCRIPTION....................................................... 7 4.1 GENERAL DESCRIPTION............................................................................................... 7 4.2 PRODUCT FUNCTION AND INTENDED USE........................................................................ 7 5. TEST SET-UP................................................................................................................. 8 5.1 PRINCIPLE OF CONFIGURATION..................................................................................... 8 5.2 OPERATIONAL MODES................................................................................................. 8 5.3 APPLIED SPECIFICATION.............................................................................................. 8 6. TEST REPORT SUMMARY............................................................................................... 9 7. TEST RESULTS............................................................................................................ 10 7.1 ANTENNA CONNECTOR REQUIREMENTS...................................................................... 10 7.2 AC CONNECTED EMISSION........................................................................................ 11 7.3 CARRIER FREQUENCY SEPARATION............................................................................ 12 7.4 TIME OF OCCUPANCY(DWELL TIME) ............................................................................ 14 7.5 20DB BANDWIDTH..................................................................................................... 16 7.6 NUMBER OF HOPPING FREQUENCIES REQUIREMENTS.................................................. 20 TÜV Rheinland Product Safety GmbH REPROT NO : 13003601 Revision No : 1.1 Page: 4 of 48 7.7 PSEUDORANDOM FHS AND EQUAL HOPPING FREQUENCY USE REQUIREMENTS............. 22 7.8 RECEIVER INPUT BANDWIDTH REQUIREMENTS............................................................. 23 7.9 PEAK OUTPUT POWER............................................................................................... 24 7.10 BAND-EDGE COMPLIANCE........................................................................................ 28 7.11 SPURIOUS CONDUCTED EMISSIONS........................................................................... 32 7.12 SPURIOUS RADIATED EMISSIONS.............................................................................. 43 8. LIST OF TEST AND MEASUREMENT INSTRUMENTS.......................................................... 46 9. COMPLEMENTARY MATERIALS...................................................................................... 48 9.1 ID LABEL AND LOCATION INFORMATION...................................................................... 48 9.2 OPERATIONAL DESCRIPTION...................................................................................... 48 9.3 TEST SETUP PHOTOS................................................................................................. 48 9.4 INTERNAL PHOTOS.................................................................................................... 48 9.5 EXTERNAL PHOTOS................................................................................................... 48 9.6 USER MANUAL...…

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Test Setup Photos

TÜV Rheinland Product Safety GmbH Test setup photos 13003601 Revision No : 1.0 Page: 1 of 5 * Test set-up 1. Radiated Set up TÜV Rheinland Product Safety GmbH Test setup photos 13003601 Revision No : 1.0 Page: 2 of 5 2 Spurious Radiated Emissions 2.1 Radiated test ( 30 MHz ~ 1GHz ) TÜV Rheinland Product Safety GmbH Test setup photos 13003601 Revision No : 1.0 Page: 3 of 5 2.2 Radiated test ( 1 GHz ~ 13GHz ) TÜV Rheinland Product Safety GmbH Test setup photos 13003601 Revision No : 1.0 Page: 4 of 5 2.3 Radiated test ( 13 GHz ~ 18GHz ) TÜV Rheinland Product Safety GmbH Test setup photos 13003601 Revision No : 1.0 Page: 5 of 5 2.4 Radiated test ( 18 GHz ~ 25GHz )