QDNDGT-201Wireless FM Linker

Wireless FM Linker (Audia X) Audia X concept Audia X is the wireless transmission device to send music from Portable music players such as Walkman, MD, CD and MP3 Players etc through FM radio frequency instead of tape deck. So it enables to enjoy the music of portable music player through speaker, not earphone, like listening FM radio broadcasting at Car audio or Home AV system either. Key Features z Full FM channels (88.1 ~ 107.9 MHz) covering by PLL control tech. z Channel selection Up/Down (1MHz or 0.1MHz / 0.1 MHz) z Excellent sound by wireless solution. z LCD display (Frequency, Battery life indicator). z Portable and Max 12 hours plays with 1.5V AAA battery. Car AV MDP CDP MP3P PDA DVDP User guide 1) Plug in the earphone plug to your portable music player. 2) Turn-on the power by pushing the middle button for at least 2 seconds. (insert 1.5V AAA battery or car power cable before turning-on the power) 3) Turn-on your car or home radio 4) Select and save your car or home radio’s frequency to a channel that has no broadcasting on it. 5) Match Audia X’s frequency with your radio’s frequency by pressing up or down button 6) Turn on your portable music player (i.e. portable CD player, MP3 player and etc) and play the music. (Due to the characteristics of FM, for good quality music, you should adjust the volume by adjusting your radio’s volume while leaving your portable player’s volume to a medium level) 7) Change your frequency if you hear interferences. Caution 1) Turn-off the power if Audia X is not in use. 2) Do not expose Audia X to direct sunlight or hot and humid areas. 3) Do not disassemble Audia X or give bump to Audia X 4) Change old batteries when you see the low battery indicator 5) Do not connect over 12V car power cable (Audia X is used only under 16V) POWER ON/OFF CHANNEL DOWN (0.1 / 1 MHz) CHANNEL UP (0.1 / 1 MHz) FCC COMPLIANCE STATEMENT 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. NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user’s authority to operate the equipment. DIGIANA CO., LTD. 1414 Hyundai Venture Ville, Suseo-Dong Kangnam-Ku, Seoul, Korea http://www.digiana.com

DGT-201 Block Diagram LCD Display Control Switch EEPROM (AT24C00N) MCU (S3F9488) PLL IC (S1T8825B01) RF Oscillator / Modulation / Out put Audio Input / Antenna 1.5V Battery Powered 12VDC Powered Voltage UP 3.3V (R1210N331D) Voltage DOWN 3.3V (S5233M) 32.768 kHz 7.6 MHz

DIGIANA CO., LTD. 1 / 1 www.digiana.net August 25, 2004 Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD21046 TO WHOM IT MAY CONCERN Pursuant to Paragraphs §0.457 and 0.459 of the Commission's Rules (47 C.F.R) and Section §552(b)(4) of the Freedom of Information Act, DIGIANA CO., LTD. requests confidentiality for the following products: FCC ID Number Product Title / Model QDNDGT-201 Wireless FM Linker / DGT-201 For the product stated above, we request that the following information be held confidential: 1) Circuit diagrams 2) Bill of materials (Part List) No other items submitted as part of the equipment authorization filing process are deemed confidential. The above exhibits contain DIGIANA CO., LTD. trade secrets and proprietary information that could be of benefit to our competitors regarding the design of our Wireless FM Linker devices. This material is not customarily available to the general public and we request that it be withheld from public inspection. Sincerely, Chang-Ryul, Lee / CEO email: [email protected] Head office 1414 Hyundai Venture Ville, Suseo-Dong, Kangnam-Ku, Seoul, Korea TEL: 82-2-2040-6211 FAX: 82-2-2040-6213

SK TECH CO., LTD. Page 1 of 4 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 External Photographs of EUT <Photograph 1: FRONT View> SK TECH CO., LTD. Page 2 of 4 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 <Photograph 2: REAR View> SK TECH CO., LTD. Page 3 of 4 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 <Photograph 3: TOP View> <Photograph 4: BOTTOM View> SK TECH CO., LTD. Page 4 of 4 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 <Photograph 5: RIGHT SIDE View> <Photograph 6: LEFT SIDE View>

SK TECH CO., LTD. Page 1 of 1 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 FCC ID Label Sample & Location Label is attached on the side panel The label shown shall be permanently affixed at the conspicuous location on the device and be readily visible to the user at the time of purchase. LABEL LOCATION FCC ID: QDNDGT-201 28mm 10mm

SK TECH CO., LTD. Page 1 of 3 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 Internal Photographs of EUT <Photograph 1: Case opened> SK TECH CO., LTD. Page 2 of 3 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 <Photograph 2: Front View> SK TECH CO., LTD. Page 3 of 3 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 <Photograph 3: Rear View>

SK TECH CO., LTD. Page 1 of 1 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 Operational Description (FM Transmitter function) The EUT is a Wireless Audio Portable FM Linker, DGT-201, to be capable of transmitting audio signals from the Earphone jack on it to FM receiver. It operates on frequencies at 88.1 MHz to 107.9 MHz. There are three buttons on it; middle button turns Power ON and the other buttons change channel UP / DOWN (1 or 0.1 MHz step). See the attached block diagram and schematic. The EUT is powered from a 1.5V battery or 12V battery on vehicles. The EUT includes the DC/DC converter, increasing/decreasing DC voltage into 3.3V. All tuning and verification are performed by the manufacture and there are no adjustments required by the user. No external ground is required or used with this transmitter.

SK TECH CO., LTD. Page 1 of 13 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 Certificate of Compliance Test Report No.: SKTTRT-040825-004 NVLAP CODE: 200220-0 Applicant: DIGIANA CO., LTD. Applicant Address: 1414 Hyundai Venture Ville, 713, Suseo-Dong, Kangnam-Ku, Seoul, 135-884 Korea Device Under Test: Wireless FM Linker FCC ID: QDNDGT-201 Model No.: DGT-201 Receipt No.: SKTEU04-0546 Date of receipt: August 17, 2004 Date of Issue: August 25, 2004 Location of Testing: SK TECH CO., LTD. 820-2, Wolmoon-Ri, Wabu-Up, Namyangju-Si, Kyunggi-Do, Korea Test Procedure: ANSI C63.4 / 2001 Test Specification: FCC Title 47, Part 15 Subpart C (April 23, 2004) Equipment Class: Part 15 Low Power Communication Device Transmitter Test Result: The above-mentioned device has been tested and passed. Tested & Reported by: Jong-Soo, Yoon 08/25/2004 Approved by: Jae-Kyung, Bae 08/25/2004 Signature Date Signature Date Other Aspects: Abbreviations: · OK, Pass = passed · Fail = failed · N/A = not applicable ☞ •This test report is not permitted to copy partly without our permission. •This test result is dependent on only equipment to be used. •This test result is based on a single evaluation of one sample of the above mentioned. •This test report must not be used to claim product endorsement by NVLAP or any agency of the U.S Government. • We certify that this test report has been based on the measurement standards that is traceable to the national or International standards. NVLAP Lab. Code: 200220-0 SK TECH CO., LTD. Page 2 of 13 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 >> CONTENTS << 1. GENERAL .................................................................................................3 2. TEST SITE ................................................................................................3 2.1 Location ................................................................................................. 3 2.2 List of Test and Measurement Instruments ............................................... 4 2.3 Test Date ................................................................................................ 4 2.4 Test Environment .................................................................................... 4 3. DESCRIPTION OF THE EQUIPMENT UNDER TEST ..................................5 3.1 Rating and Physical Characteristics ........................................................... 5 3.2 Equipment Modifications .......................................................................... 5 3.3 Submitted Documents ............................................................................. 5 4. MEASUREMENT CONDITIONS .................................................................6 4.1 Description of test configuration .............................................................. 6 4.2 List of Peripherals .................................................................................... 6 4.3 Type of used Cables ................................................................................ 6 4.4 Uncertainty ............................................................................................. 6 5. TEST AND MEASUREMENTS ....................................................................7 5.1 ANTENNA REQUIREMENT ................................................................7 5.1.1 Regulation ........................................................................................ 7 5.1.2 Result .............................................................................................. 7 5.2 OCCUPIED BANDWIDTH ..................................................................8 5.2.1 Regulation ........................................................................................ 8 5.2.2 Test Procedure .................................................................................. 8 5.2.3 Test Results ...................................................................................... 8 Table 1: Measured values of the Occupied Bandwidth ........................................ 8 Figure 1: Plot of the Occupied bandwidth ......................................................... 9 5.3 RADIATED EMISSIONS ..................................................................11 5.3.1 Regulation ...................................................................................... 11 5.3.2 Test Procedure ................................................................................ 11 5.3.3 Test Results .................................................................................... 11 Table 2: Measured values of the Field strength................................................ 12 SK TECH CO., LTD. Page 3 of 13 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 1. GENERAL These tests were performed using the test procedure outlined in ANSI C63.4, 2001 for intentional radiators, and in accordance with the limits set forth in FCC Part 15.239 for Low Power Communication Device Transmitter. The EUT (Equipment Under Test) has been shown to be capable of compliance with the applicable technical standards. We attest to the accuracy of data. All measurements reported herein were performed by SK Tech Co., Ltd. and were made under Chief Engineer’s supervision. We assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. 2. TEST SITE SK TECH Co., Ltd. 2.1 Location 820-2, Wolmoon Ri, Wabu-Up, Namyangju-Si, Kyunggi-Do, Korea This test site is in compliance with ISO/IEC 17025 for general requirements for the competence of testing and calibration laboratories. This laboratory is accredited by NVLAP for NVLAP Lab. Code: 200220-0 and DATech for DAR-Registration No.: TTI-P-G155/97-10 SK TECH CO., LTD. Page 4 of 13 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 2.2 List of Test and Measurement Instruments Equipment Type Manufacturer Model No. Serial No. Cal. Due Date EMI Test Receiver Rohde&Schwarz ESVS 10 825120/013 10, 2004 EMI Test Receiver Rohde&Sch…

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SK TECH CO., LTD. Page 1 of 2 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 Test set up photos <Radiated Emissions – Front View> SK TECH CO., LTD. Page 2 of 2 SKT SKTTRT-040825-004 FCC ID: QDNDGT-201 <Radiated Emissions – Rear View>