WF2DWD-1000WIRELESS DECT USB DONGLE

User’s Manual WIRELESS DECT USB DONGLE Model Name : DWD-1000 DASAN ELECTRON CO,. LTD.  Registration Process 1. Connect to PC. 2. Press Base center button during 3 seconds, 3. Base Blue LED is blinking => Pairing mode 4. Press Headset mute button during 3 seconds, then blue LED is blinking => Paring mode Button & LEDs LED Colors : Green, Red, Blue, Purple USB C-Type If paring is completed, base LED changed to Green and Headset LED is turned off.  Call Function 1. Hook Off : Press the Hook button your DECT headset and Blue LED will be light up. 2. Mute On : Press the button during call status and Red LED will be light up. (Mute Off : Press the button again and Blue LED will be light up.)  LED Operaion DWD-1000 Status LED Status Idle (No Headset Registered) Red LED Blinking(0.5 sec) Idle (Headset Registered) Green LED On Pairing Mode Blue LED Blinking (0.25sec) Incoming Call Green LED Blinking (0.5sec) Hook Off Blue LED On Call Mute Red LED On Microsoft Teams On Pupple LED On Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two condi tions: (1) This device may not cause harmful interference, and (2) this device must accept any interf erence received, including interference that may cause undesired operation. Note: This equipment has been tested and found to comply with the limits for a Class B digital dev ice, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protectio n against harmful interference in a residential installation. This equipment generates, uses and can r adiate radio frequency energy and, if not installed and used in accordance with the instructions, ma y cause harmful interference to radio communications. However, there is no guarantee that interfere nce will not occur in a particular installation. If this equipment does cause harmful interference to r adio or television reception, which can be determined by turning the equipment off and on, the use r is encouraged to try to correct the interference by one or more of the following measures: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. FCC Radiation Exposure Statement : This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. The SAR was tested for the device in thebody worn mode. And it can meet the SAR limit of FCC.  Warranty Card

Application company: DASAN ELECTRON CO., LTD Address: #307, Plant 1 Dong, Kyunggitechno Park, 705, Haean-ro, Sangnok-gu, Ansan- si, Gyeonggi-do,South Korea Tel.: 82-31-500-4647 E-Mail: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2023-12-20 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: WF2DWD-1000 DASAN ELECTRON CO., LTD certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Signature Contact person: KyungRyong Hong Title: R&D Director

Application company: DASAN ELECTRON CO., LTD Address: #307, Plant 1 Dong, Kyunggitechno Park, 705, Haean-ro, Sangnok-gu, Ansan-si, Gyeonggi-do,South Korea Tel.: 82-31-500-4647 E-Mail: [email protected] CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 2023-12-20 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: WF2DWD-1000 DASAN ELECTRON CO., LTD certifies that as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Signature Contact person: KyungRyong Hong Title: R&D Director

Application company: DASAN ELECTRON CO., LTD Address: #307, Plant 1 Dong, Kyunggitechno Park, 705, Haean-ro, Sangnok-gu, Ansan-si, Gyeonggi-do,South Korea Tel.: 82-31-500-4647 E-Mail: [email protected] QA-FR-170-B FCC Authorization Date: 2024-01-12 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, DASAN ELECTRON CO., LTD hereby authorize China Certification ICT Co., Ltd (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. We, DASAN ELECTRON CO., LTD the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature Contact person: KyungRyong Hong Title: R&D Director

Application company: DASAN ELECTRON CO., LTD Address: #307, Plant 1 Dong, Kyunggitechno Park, 705, Haean-ro, Sangnok-gu, Ansan-si, Gyeonggi-do,South Korea Tel.: 82-31-500-4647 E-Mail: [email protected] QA-FR-171-A FCC Confidential Authorization Date: 2024-01-12 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: WF2DWD-1000 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, DASAN ELECTRON CO., LTD hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature Contact person: KyungRyong Hong Title: R&D Director

Application company: DASAN ELECTRON CO., LTD Address: #307, Plant 1 Dong, Kyunggitechno Park, 705, Haean-ro, Sangnok-gu, Ansan-si, Gyeonggi-do,South Korea Tel.: 82-31-500-4647 E-Mail: [email protected] Product Similarity Declaration 2023-12-20 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, DASAN ELECTRON CO., LTD hereby declare that we have a product named as DWD-1000 was tested by China Certification ICT Co., Ltd (Dongguan). For our marketing purpose, we would like to list series (model: DECT-320 Dongle) on reports and certificate. They have the same circuit the only difference is model name. (Product description: WIRELESS DECT USB DONGLE, FCC ID: WF2DWD-1000) We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Sincerely Yours, Signature: Contact person: KyungRyong Hong Title: R&D Director

China Certification ICT Co., Ltd (Dongguan) Report No.: CR231167144-EXP EUT EXTERNAL PHOTOGRAPHS China Certification ICT Co., Ltd (Dongguan) Report No.: CR231167144-EXP China Certification ICT Co., Ltd (Dongguan) Report No.: CR231167144-EXP

EXHIBITA- ID LABEL AND LOCATION ID Label ID Label Location The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the time purchase (Labeling requirements per 2.295)

China Certification ICT Co., Ltd (Dongguan) Report No.: CR231167144-INP EUT INTERNAL PHOTOGRAPHS China Certification ICT Co., Ltd (Dongguan) Report No.: CR231167144-INP Antenna China Certification ICT Co., Ltd (Dongguan) Report No.: CR231167144-INP

SAR TEST REPORT Applicant: DASAN ELECTRON CO., LTD Address: #307, Plant 1 Dong, Kyunggitechno Park, 705, Haean-ro, Sangno k-gu, Ansan- si, Gyeonggi-do, South Korea FCC ID: WF2DWD-1000 Product Name: WIRELESS DECT USB DONGLE Model Number: DWD-1000 Multiple Models: DECT-320 Dongle (model difference see product declaration letter of similarity) Standard(s): 47 CFR Part 2(2.1093) The above device has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR231167144-SA Date Of Issue: 2023-12-28 Reviewed By: Karl Gong Title: SAR Engineer Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dong guan) Report No.: CR231167144-SA Page 2 of 54 SAR TEST RESULTS SUMMARY Operation Frequency Bands Highest Reported 1g SAR (W/kg) Limits (W/kg) Body SAR (Gap 0mm) DECT 0.07 1.6 EUT Received Date: 2023/11/15 Tested Date: 2023/11/26 Tested Result: Pass China Certification ICT Co., Ltd (Dong guan) Report No.: CR231167144-SA Page 3 of 54 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0123. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dong guan) Report No.: CR231167144-SA Page 4 of 54 CONTENTS DOCUMENT REVISION HISTORY .......................................................................................... 6 1. GENERAL INFORMATION .................................................................................................... 7 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 7 1.2 TEST SPECIFICATION, METHODS AND PROCEDURES ........................................................................ 8 1.3 SAR LIMITS .......................................................................................................................................... 9 1.4 FACILITIES ...................................................................................................................................... 10 2. SAR MEASUREMENT SYSTEM .......................................................................................... 11 3. EQUIPMENT LIST AND CALIBRATION .......................................................................... 18 3.1 EQUIPMENTS LIST & CALIBRATION INFORMATION ....................................................................... 18 4. SAR MEASUREMENT SYSTEM VERIFICATION ........................................................... 19 4.1 LIQUID VERIFICATION ...................................................................................................................... 19 4.2 SYSTEM ACCURACY VERIFICATION ................................................................................................. 20 4.3 SAR SYSTEM VALIDATION DATA ............................................................................................. 21 5. EUT TEST STRATEGY AND METHODOLOGY .............................................................. 22 5.1 TEST POSITIONS FOR BODY-WORN AND OTHER CONFIGURATIONS ................................................ 22 5.2 TEST DISTANCE FOR SAR EVALUATION .......................................................................................... 22 5.3 SAR EVALUATION PROCEDURE ....................................................................................................... 23 6. CONDUCTED OUTPUT POWER MEASUREMENT ........................................................ 24 6.1 TEST PROCEDURE .............................................................................................................................. 24 6.2 MAXIMUM TARGET OUTPUT POWER ............................................................................................... 24 6.3 TEST RESULTS: .................................................................................................................................. 24 7. Standalone SAR test exclusion considerations ....................................................................... 26 7.1 STANDALONE SAR TEST EXCLUSION CONSIDERATIONS ................................................................. 26 8. SAR MEASUREMENT RESULTS ........................................................................................ 27 8.1 SAR TEST DATA ................................................................................................................................ 27 9. Measurement Variability ......................................................................................................... 28 10. SAR Plots ..............................................................................................................…

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1 2 3 4 5 3. Photo 3D Radiation Pattern Measurement Results 1930.0003.681810120 / 240-19.3872410 / 120-1.596846 3.776062120 / 240-20.35670730 / 300 1925.0003.499658120 / 240-22.448962 69.233353 30 / 300-1.74334366.936918 1927.500 120 / 240-22.71947330 / 300-2.04191962.489656 -22.20164430 / 300-2.25351059.518089 -1.49644170.852610 No Frequency [MHz] Peak Value Value[dBi] 1922.5003.099509 DWD-1000 [dBi] Efficiency [%] 1920.0002.891759120 / 240 Photo / GraphPhoto / Graph DASAN ELECTRON Model / Revision Test Condition Date Customer RADIATION (DECT6.0) Test Engineer Antenna Version 1. Informations Degree Minimum Value Value[dBi]Degree Avg. Gain 2. Test Results Manufacturer: Sam Jung Spring Address : #1933, 19Dong, 21, Oido-ro, Siheung-si, Gyeonggi-do, Republic of Korea H Plane (Vertical) Polar Chart H Plane (Vertical + Horizontal) Polar Chart -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 0 30 60 90 120 150 180 210 240 270 300 330 192 0 192 2.5 192 5 192 7.5 193 0 -25 -20 -15 -10 -5 0 0 30 60 90 120 150 180 210 240 270 300 330 192 0 192 2.5 192 5 192 7.5 193 0 H Plane (RHCP) Polar Chart H Plane (Horizontal) Polar Chart -25 -20 -15 -10 -5 0 0 30 60 90 120 150 180 210 240 270 300 330 192 0 192 2.5 192 5 192 7.5 193 0 -25 -20 -15 -10 -5 0 0 30 60 90 120 150 180 210 240 270 300 330 192 0 192 2.5 192 5 192 7.5 193 0 H Plane (LHCP) Polar Chart -25 -20 -15 -10 -5 0 0 30 60 90 120 150 180 210 240 270 300 330 192 0 192 2.5 192 5 192 7.5 193 0 E1 Plane (Vertical) Polar Chart E1 Plane (Vertical + Horizontal) Polar Chart -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 0 30 60 90 120 150 180 -150 -120 -90 -60 -30 192 0 192 2.5 192 5 192 7.5 193 0 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 0 30 60 90 120 150 180 -150 -120 -90 -60 -30 192 0 192 2.5 192 5 192 7.5 193 0 E1 Plane (RHCP) Polar Chart E1 Plane (Horizontal) Polar Chart -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 0 30 60 90 120 150 180 -150 -120 -90 -60 -30 192 0 192 2.5 192 5 192 7.5 193 0 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 0 30 60 90 120 150 180 -150 -120 -90 -60 -30 192 0 192 2.5 192 5 192 7.5 193 0 E1 Plane (LHCP) Polar Chart -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 0 30 60 90 120 150 180 -150 -120 -90 -60 -30 192 0 192 2.5 192 5 192 7.5 193 0 E2 Plane (Vertical) Polar Chart E2 Plane (Vertical + Horizontal) Polar Chart -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 -150 -120 -90 -60 -30 192 0 192 2.5 192 5 192 7.5 193 0 -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 -150 -120 -90 -60 -30 192 0 192 2.5 192 5 192 7.5 193 0 E2 Plane (RHCP) Polar Chart E2 Plane (Horizontal) Polar Chart -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 -150 -120 -90 -60 -30 192 0 192 2.5 192 5 192 7.5 193 0 -25 -20 -15 -10 -5 0 0 30 60 90 120 150 180 -150 -120 -90 -60 -30 192 0 192 2.5 192 5 192 7.5 193 0 E2 Plane (LHCP) Polar Chart -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 -150 -120 -90 -60 -30 192 0 192 2.5 192 5 192 7.5 193 0

TEST REPORT Applicant: DASAN ELECTRON CO., LTD Address: #307, Plant 1 Dong, Kyunggitechno Park, 705, Haean-ro, Sangnok-gu, Ansan-si,Gyeonggi-do, South Korea FCC ID: WF2DWD-1000 Product Name: WIRELESS DECT USB DONGLE Standard(s): FCC PART 15D ANSI C63.17-2013 The above device has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR231167144-00 Date Of Issue: 2023/12/26 Reviewed By: Calvin Chen Title: RF Engineer Approved By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dongguan) Report No.: CR231167144-00 Page 2 of 51 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0123. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dongguan) Report No.: CR231167144-00 Page 3 of 51 CONTENTS DOCUMENT REVISION HISTORY .......................................................................................... 5 1. GENERAL INFORMATION .................................................................................................... 6 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 6 1.2 DESCRIPTION OF TEST CONFIGURATION ........................................................................................... 7 1.2.1 EUT Operation Condition: ............................................................................................................................. 7 1.2.2 Support Equipment List and Details .............................................................................................................. 7 1.2.3 Support Cable List and Details ...................................................................................................................... 7 1.2.4 Block Diagram of Test Setup ......................................................................................................................... 7 1.3 MEASUREMENT UNCERTAINTY .......................................................................................................... 8 2. SUMMARY OF TEST RESULTS ............................................................................................ 9 3. REQUIREMENTS AND TEST PROCEDURES .................................................................. 10 3.1 CONDUCTED EMISSIONS .................................................................................................................... 10 3.1.1 Applicable Standard ..................................................................................................................................... 10 3.1.2 EUT Setup.................................................................................................................................................... 10 3.1.3 EMI Test Receiver Setup ............................................................................................................................. 10 3.1.4 Test Procedure ............................................................................................................................................. 11 3.1.5 Corrected Amplitude & Margin Calculation ................................................................................................ 11 3.2 EMISSION BANDWIDTH: .................................................................................................................... 12 3.2.1 Applicable Standard ..................................................................................................................................... 12 3.2.2 EUT Setup.................................................................................................................................................... 12 3.2.3 Test Procedure ............................................................................................................................................. 12 3.3 PEAK TRANSMIT POWER: ................................................................................................................. 13 3.3.1 Applicable Standard ..................................................................................................................................... 13 3.3.2 EUT Setup.................................................................................................................................................... 13 3.3.3 Test Procedure ............................................................................................................................................. 13 3.4 POWER SPECTRAL DENSITY: ..................................................................…

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China Certification ICT Co., Ltd (Dongguan) Report No.: CR231167144-00-TSP TEST SETUP PHOTOGRAPHS Conducted Emissions Front View Conducted Emissions Side View