2AZ3JDR20Reader

DR20 Door Reader User Manual Revision 1.0 23092 2 DR20 User Manual Contents System Overview 04 Mounting Instructions 05 Recommended Wiring 06 Operation 07 Registration 08 Specifications 08 Troubleshooting 09 Appendix 10 DR20 User Manual 3 Date Revision Notes 9/22/2023 A Initial Release Service and installation should only be performed by trained personnel. Federal Communication Commission Interference 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. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one 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 Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Radiation Exposure Statement: This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. Industry Canada statement: This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference (2) This device must accept any interference, including interference that may cause undesired operation of the device Cet appareil contient des émetteurs / récepteurs exempts de licence qui sont conformes au (x) RSS (s) exemptés de licence d'Innovation, Sciences et Développement économique Canada. L'opération est soumise aux deux conditions suivantes: (1) Cet appareil ne doit pas causer d'interférences (2) Cet appareil doit accepter toute interférence, y compris les interférences pouvant provoquer un fonctionnement indésirable de l'appareil Radiation Exposure Statement: This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. Déclaration d'exposition aux radiations: Cet équipement est conforme Canada limites d'exposition aux radiations dans un environnement non contrôlé. Cet équipement doit être installé et utilisé à distance minimum de 20cm entre le radiateur et votre corps. WARNING messages will be fully boxed as shown here. Failing to follow instruction may result in damage to the DR20 or other connected components. 4 DR20 User Manual DR20 Overview Quickly access your spaces by card, mobile app, or wave-to-unlock gestures with the DR20 Door Reader — a modern, touchless, and reliable smart reader. x3 x3 x3 x1 x1 Included in the box: • DR20 Door Reader • (2) Wall anchors • (2) #8 FH wall screws • (2) 8-32 outlet box screws • (1) T6 Torx Key • (1) Extra T6 security screw Tools You’ll Need: • Phillips #2 screwdriver • Pen or pencil for marking drill locations • Power drill and 1/4” drill bit for wall anchors or 1/8” drill bit for screw pilot 1 • 1-3/8” Hole Saw DR20 User Manual 5 Mounting the DR20 STEP 1 To install, pre-drill pilot holes into the desired mounting surface in accordance with the mounting specifications provided (see Appendix). Note that a 3/16” pilot hole is required if using the wall anchors. STEP 2 Remove the mounting bracket from the reader by unscrewing the T6 screw at the bottom of the device. Fasten the mounting bracket to the surface using the included wall screws and ensure that the arrow symbol on the bracket is pointing up. STEP 3 After wiring is completed, pass the DR20 cables through the hole and slide the reader into the mounting bracket. Ensure that the tab at the top of the mounting bracket is inserted into the top slot of the DR20. STEP 4 While holding the DR20 in place, insert and tighten the T6 screw back into the bottom of the bracket using the torx key provided. 6 DR20 User Manual GND GND GND GND RS-485 Recommended Wiring Wiring methods used shall be in accordance with the National Electrical Code, ANSI/NFPA 70. All wiring of the DR20 should be performed prior to connecting power. Power should be removed before attempting to service the DR20 or any of its connected devices. Wire Type and Size Twisted Minimum Maximum DR20 is compatible with the Rhombus DC20 Door Controller and communicates using OSDP protocol over RS-485. Connect the [A], [B] and [GND] lines of the DR20 to the corresponding terminals in the DC20. 12V GN 24VD 24VD 24VD 24VD INPUT S RESET COM O GND VC 2VD D D O UT1 T2 2 B A GND B A GND G N D 1 2 V COM O GND VC 2VD D D T1 T2 2 COM O GND VC 2VD G N D 1 2 V D D O UT1 COM O GND VC B A GND B A GND O UT2 2 G N D 1 2 V 2VD D D T1 T2 2 G N D 1 2 V COM O COM O 12VDC SL A ONL Y WR…

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Grantee also Agent for Service of Process_FCC_Attestation Statements_Kiwa Page 1 of 2 RF_754_02 15-02-2023 U.S. Agent Designation for Service of Process (Applicant is Both Grantee and U.S. Agent) TO: Kiwa Nederland B.V. Wilmersdorf 50 7327 AC Apeldoorn Postbus 137 7300 AC Apeldoorn Netherlands ATTENTION: FCC Certification – Section 2.911(d)(7) Information This letter is to confirm that the Applicant will also serve as the U.S. Agent for Service of Process as required by 47 CFR 2.911(d)(7). The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The Applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information changes. Applicant & Agent Company name: Rhombus Systems, Inc FRN: 0030968606 Grantee Code: 2AZ3J Contact person name: Dave Gustafson Agent name: Dave Gustafson Street address: 1920 20th Street ZIP/City/State Sacramento Telephone number: (650) 269-7258 Email address: [email protected] Signature Contact person*: Date: 05 October 2023 Signature Agent*: Date: 05 October 2023 Grantee also Agent for Service of Process_FCC_Attestation Statements_Kiwa Page 2 of 2 RF_754_02 15-02-2023 Note *Must be signed by both the applicant, and agent on behalf Revision Record Sheet: Revision Section number Page number Date Remark(s) issued by 01 09-02-2023 1 st version RvM 02 1 15-02-2023 Added FRN RvdM Issued/modified by : Richard van de Meer Function : Certification assessor Revision : 0 2 Date : 15-02-2023 Verified by : Willem Jan Jong Function : Team Lead Date : 16-02-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 19-02-2023

Covered list attestation FCC application letter Kiwa Page 1 of 2 RF_755_02 15-02-2023 ertification Application Attestation Statements Rhombus Systems, Inc 1920 20th Street CA 95811 Sacramento, United States Subject: FCC ID: 2AZ3JDR20 To Whom It May Concern: Statement for 47 CFR section 2.911(d)(5)(i) Rhombus Systems, Inc certifies that as of the date of the application the equipment for which authorization is sought is not “covered” equipment 1 prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, including affiliates or subsidiaries of the named companies, the applicant must include an explanation on why the equipment is not “covered” equipment. Additional Explanation: <N/A> Statement for 47 CFR section 2.911(d)(5)(ii) Rhombus Systems, Inc (“the applicant”) certifies that, as of the date of the filing of this application, the applicant - is / - is not (3) identified on the Covered List as an entity producing “covered” equipment. Date: 05 October 2023 City: Sacramento Name (2) : Dave Gustafson Function: Vice President of Hardware Telephone number: (650) 269-7258 Email address: [email protected] Signature: Revision Record Sheet: 1 - The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist . (2): For FCC it must be the Grantee Code “owner” or the authorized agent. (3): double click on the appropriate box and select ‘’checked” then “OK” Covered list attestation FCC application letter Kiwa Page 2 of 2 RF_755_02 15-02-2023 Revision Section number Page number Date Remark(s) issued by 01 07-02-2023 1 st version RvM 02 1 15-02-2023 Changed Applicant to Company and added “Subject: FCC ID: “ RvdM Issued/modified by : Richard van de Meer Function : Certification assessor Revision : 0 2 Date : 15-02-2023 Verified by : Willem Jan Jong Function : Team Lead Date : 16-02-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 19-02-2023

RF_160_05 Declaration of Authorisation Date of issue 02-01-2023 Declaration of Authorization We Name: Rhombus Systems, Inc Address: 1920 20th Street City: Sacramento, CA 95811 Country: United States Declare that: Name Representative of agent: Gary Wu (1) Agent Company name: Wendell Industrial Co., Ltd. Address: 1F, No. 119, Wugong 3rd Rd., Wugu Dist. City: New Taipei City Country Taiwan R.O.C. is authorized to apply for Certification of the following product(s): Product description: Reader Type designation: DR20 Trademark: Rhombus Validity/ expiry date on our behalf. Date: 05 October 2023................................ City: Sacramento Name: Dave Gustafson (2) Function: Vice President of Hardware Signature: ............................... Notes: (1): Required for FCC application (2): For FCC it must be the Grantee Code “owner” or the authorized agent. Revision Record Sheet: Revision Section number Page number Date Remark(s) issued by 02 1 02-01-2023 History sheet added AG Issued/modified by : Axel Gase Function : Quality Manager Revision : 0 2 Date : 02-01-2023 Verified by : Willem Jan Jong Function : Team Lead Date : 02-01-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 02-01-2023

FCC, Request for non-disclosure Date: 23-06-2023 RF_501, Issue 11 Page 1 of 2 Company Name: Rhombus Systems, Inc Address : 1920 20th Street City: Sacramento, CA 95811 Country: United States To: Kiwa Netherlands B.V., Dept. FCC TCB Wilmersdorf 50 7327 AC Apeldoorn The Netherlands Subject: Request for confidentiality FCC ID: 2AZ3JDR20 Reference number: ###### Dear FCC TCB, 1. Long-Term Confidentiality Pursuant to 47 CFR Section 0.459(a) & (b), we hereby requests non-disclosure and confidential treatment of the following materials submitted in support of FCC certification application: Bill(s) of Material Block Diagrams Operational Description Schematic Diagrams Tune-up Procedure Above materials contain secrets, proprietary and technical information, which would customarily be guarded from competitors under 47 CFR, section 0.457(d)(2). Disclosure or publication or any portion of this company confidential material to other parties could cause substantial competitive harm and provide unjustified benefits for competitors. 2. Short-Term Confidentiality (STC) Pursuant to Public Notice DA 04-1705 of the Commission’s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the importation rules in 47 CFR §2.1204, a pplicant hereby requests Short-Term Confidential treatment of the following materials (See notes below): Internal Photos User’s Manual Test Set-up Photos External Photos Justification: Date: 05 October 2023 Name and signature of applicant: Dave Gustafson Notes: 1) A document or type of document can only have ONE type of confidentiality! 2) Short-Term confidentiality is in principle for 45 days from date of grant; it can be extended max 3 times (total time 180 days max.)! The planned date should state in the RF731 application form. 3) FCC must be informed when marketing begins earlier. 4) Release takes place automatically thus extension must be requested in time. Telefication does not remind you of this! 5) Request for extension or for release must be received by Kiwa NL B.V. at least 7 days before date of actual marketing or before expiration of the STC period FCC, Request for non-disclosure Date: 23-06-2023 RF_501, Issue 11 Page 2 of 2 Revision Record Sheet: Revision Section number Page number Date Remark(s) issued by 10 1 02-01-2023 History sheet added AG 11 1 & 2 23-06-2023 Corrected date and page# WJJ Issued/modified by : Willem Jan Jong Function : Team Lead Revision : 11 Date : 23-06-2023 Verified by : Axel Gase Function : Manager Quality Assurance Date : 23-06-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 23-06-2023

Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 1 of 4 Attachment 2：EUT Detailed Photographs Photo 1 Trade Name：rhombus Model Name：DR20 Photo 2 Trade Name：rhombus Model Name：DR20 Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 2 of 4 Photo 3 Trade Name：rhombus Model Name：DR20 Photo 4 Trade Name：rhombus Model Name：DR20 Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 3 of 4 Photo 5 Trade Name：rhombus Model Name：DR20 Photo 6 Trade Name：rhombus Model Name：DR20 Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 4 of 4 Photo 7 Trade Name：rhombus Model Name：DR20 --- END ---

Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 1 of 9 Attachment 2：EUT Detailed Photographs Photo 1 Trade Name：rhombus Model Name：DR20 Photo 2 Trade Name：rhombus Model Name：DR20 Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 2 of 9 Photo 3 Trade Name：rhombus Model Name：DR20 Photo 4 Trade Name：rhombus Model Name：DR20 Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 3 of 9 Photo 5 Trade Name：rhombus Model Name：DR20 Photo 6 Trade Name：rhombus Model Name：DR20 Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 4 of 9 Photo 7 Trade Name：rhombus Model Name：DR20 Photo 8 Trade Name：rhombus Model Name：DR20 Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 5 of 9 Photo 9 Trade Name：rhombus Model Name：DR20 Photo 10 Trade Name：rhombus Model Name：DR20 NFC RF Chip Bluetooth RF Chip Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 6 of 9 Photo 11 Trade Name：rhombus Model Name：DR20 Photo 12 Trade Name：rhombus Model Name：DR20 Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 7 of 9 Photo 13 Trade Name：rhombus Model Name：DR20 Photo 14 Trade Name：rhombus Model Name：DR20 Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 8 of 9 Photo 15 Trade Name：rhombus Model Name：DR20 Photo 16 Trade Name：rhombus Model Name：DR20 NFC Antenna Bluetooth Antenna Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 9 of 9 Photo 17 Trade Name：rhombus Model Name：DR20 Photo 18 Trade Name：rhombus Model Name：DR20 --- END ---

Report No: WD-RF-R-230280-E0 Page 1 of 10 FCC MPE Evaluation Report Report No: WD-RF-R-230280-E0 Product Name : Reader Model Name : DR20 FCC ID : 2AZ3JDR20 Applicant : Rhombus Systems, Inc. Received Date : Aug. 23, 2023 Tested Date : Aug. 29, 2023 ~ Sep. 13, 2023 Applicable Standard : 47 CFR FCC Part 2.1091 47 CFR FCC Part 1.1310 KDB 447498 D01 OET Bulletin 65 Supplement C Wendell Industrial Co., Ltd Wendell EMC & RF Laboratory Caution: This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. The test results shown in the test report are traceable to the national/international standard through the calibration report of the equipment. Please note that the measurement uncertainty are provided for informational purpose only and are not used in determining the Pass/Fail results. This report must not be used to claim product endorsement by TAF or any agency of the government. The test report shall not be reproduced without the written approval of Wendell Industrial Co., Ltd.. Report No: WD-RF-R-230280-E0 Page 2 of 10 Test Report Issued Date: September 14, 2023 Project No.: 23Q031001 Product Name Reader Trade Name rhombus Brand Trademark Model Name DR20 FCC ID 2AZ3JDR20 Applicant Rhombus Systems, Inc. Manufacturer Rhombus Systems, Inc. EUT Rated Voltage DC 8V ~ 28V EUT Test Voltage DC 28V EUT Supports Radios Application Bluetooth BR/EDR/LE NFC 13.56M Applicable Standard 47 CFR FCC Part 2.1091 47 CFR FCC Part 1.1310 KDB 447498 D01 OET Bulletin 65 Supplement C RF Evaluation 0.00468 mW/cm 2 Test Result Complied Documented : ( Specialist / Emma Lu ) Technical Engineer : ( Section Manager / Jack Chang ) Approved : ( Project Manager / Gary Wu ) Report No: WD-RF-R-230280-E0 Page 3 of 10 Table of Contents Document Revision History ................................................................................................................. 4 Reference Testing Standard ................................................................................................................. 5 1 Generation Information .............................................................................................................. 6 1.1 Applicant .................................................................................................................................... 6 1.2 Manufacturer ............................................................................................................................. 6 1.3 Description of Equipment under Test ...................................................................................... 6 1.4 Test Facility ................................................................................................................................ 7 2 Mobile device Assessment Procedure ......................................................................................... 8 3 RF Exposure Assessment ............................................................................................................. 8 4 Limit Requirement ...................................................................................................................... 9 5 Test Results ................................................................................................................................. 10 Report No: WD-RF-R-230280-E0 Page 4 of 10 Document Revision History Report No. Issue date Description WD-RF-R-230280-E0 September 14, 2023 Initial report Report No: WD-RF-R-230280-E0 Page 5 of 10 Reference Testing Standard Standard Description Version 47 CFR FCC Part 2.1091 Radiofrequency radiation exposure evaluation: mobile devices. -- 47 CFR FCC Part 1.1310 Radiofrequency radiation exposure limits. -- KDB 447498 D01 RF Exposure procedures and equipment authorization policies for mobile and portable devices. V06 OET Bulletin 65 Supplement C Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields. Edition 01-01 Report No: WD-RF-R-230280-E0 Page 6 of 10 1 Generation Information 1.1 Applicant Rhombus Systems, Inc. 1920 20th St, Sacramento, CA 95811 1.2 Manufacturer Rhombus Systems, Inc. 1920 20th St, Sacramento, CA 95811 1.3 Description of Equipment under Test Product Name Reader Model No. DR20 FCC ID 2AZ3JDR20 Frequency Range Bluetooth:2402~2480MHz NFC:13.56 MHz Antenna Information Refer to the table “Antenna List” The above equipment was tested by Wendell EMC & RF Laboratory For compliance with the requirements set forth in 47 CFR § 2.1091 / 47 CFR § 1.1310. The results of testing in this report apply only to the product/system, which was tested. Other similar equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties Antenna List No. Manufacturer Model No. Antenna Type Peak Gain 1 INPAQ Technology Co RFFPA332305IMAB304 FPCB Antenna 1.97 dBi for 2.4GHz 2 INPAQ Technology Co RFNFC363005IMFB301 PCB Antenna N/A Report No: WD-RF-R-230280-E0 Page 7 of 10 1.4 Test Facility Items Required (IEC 60068-1) Temperature (C) 15-35 Humidity (% RH) 25-75 Barometric pressure (mbar) 860-1060 Description: Accredited by TAF Accredited Number: 2965 Issued by: Wendell Industrial Co., Ltd Lab Address: 6F/6F-1, No.188, Baoqiao Rd., Xindian Dist., New Taipei City 23145, Taiwan (R.O.C) Test Lab: Wendell EMC & RF Laboratory Test Location: 1F., No. 119, Wugong 3rd Rd., Wugu Dist., New Taipei City 248, Taiwan (R.O.C.) Designation Number: TW0025 Test Firm Registration Number: 665221 Report No: WD-RF-R-230280-E0 Page 8 of 10 2 Mobile device Assessment Procedure In 47 CFR § 2.1091, a mobile device is defined as a transmitting device designed to be used in other than fixed locations and to generally be used in such a way that a separation distance …

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2.1S-Parameter 2. Antenna Characteristics ANT1 ANT2 Isolation Maximum Efficiency at 2400MHz : 43.29% 2.2Antenna Efficiencyand Peak Gain Maximum Peak Gain at 2400MHz : 1.97dBi 2. Antenna Characteristics BT 2.2Antenna Efficiencyand Peak Gain 2. Antenna Characteristics BT Frequency (GHz) Efficiency (%) Peak gain (dBi) 2.4 43.291.97 2.45 35.991.55 2.5 33.421.19

Report No: WD-RF-R-230280-B0 Page 1 of 48 FCC Test Report Report No: WD-RF-R-230280-B0 Product Name : Reader Model Name : DR20 FCC ID : 2AZ3JDR20 Applicant : Rhombus Systems, Inc. Received Date : Aug. 23, 2023 Tested Date : Aug. 29, 2023 ~ Sep. 13, 2023 Applicable Standard : 47 CFR FCC Part 15, Subpart C (Section 15.247) KDB 558074 D01 DTS Meas. Guidance v05 ANSI C63.10 : 2013 Wendell Industrial Co., Ltd Wendell EMC & RF Laboratory Caution: This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. The test results shown in the test report are traceable to the national/international standard through the calibration report of the equipment. Please note that the measurement uncertainty are provided for informational purpose only and are not used in determining the Pass/Fail results. This report must not be used to claim product endorsement by TAF or any agency of the government. The test report shall not be reproduced without the written approval of Wendell Industrial Co., Ltd.. Report No: WD-RF-R-230280-B0 Page 2 of 48 Test Report Issued Date: September 14, 2023 Project No.: 23Q031001 Product Name Reader Trade Name rhombus Brand Trademark Model Name DR20 FCC ID 2AZ3JDR20 Applicant Rhombus Systems, Inc. Manufacturer Rhombus Systems, Inc. EUT Rated Voltage DC 8V ~ 28V EUT Test Voltage DC 28V EUT Supports Radios Application Bluetooth BR/EDR/LE NFC 13.56M Applicable Standard 47 CFR FCC Part 15, Subpart C (Section 15.247) KDB 558074 D01 DTS Meas. Guidance v05 ANSI C63.10 : 2013 Output Power 5.88 dBm Test Result Complied Documented : ( Specialist / Emma Lu ) Technical Engineer : ( Section Manager / Jack Chang ) Approved : ( Project Manager / Gary Wu ) Report No: WD-RF-R-230280-B0 Page 3 of 48 Table of Contents Document Revision History ................................................................................................................. 5 Summary of Test Result ....................................................................................................................... 6 1 Generation Information .............................................................................................................. 7 1.1 Applicant .................................................................................................................................... 7 1.2 Manufacturer ............................................................................................................................. 7 1.3 Description of Equipment under Test ...................................................................................... 7 1.4 Test Mode Applicability And Tested Channel Detail .......................................................... 10 1.5 Configuration of Tested System ............................................................................................. 11 1.6 EUT Exercise Software ........................................................................................................... 11 1.7 Tested System Details .............................................................................................................. 11 1.8 Test Facility .............................................................................................................................. 12 1.9 Measurement Uncertainty ...................................................................................................... 13 1.10 List of Test Equipment ............................................................................................................ 14 2 Test Result .................................................................................................................................. 18 2.1 Antenna Requirement ............................................................................................................. 18 2.1.1 Applicable Standard .......................................................................................................... 18 2.1.2 Antenna Connected Construction ..................................................................................... 18 2.1.3 Antenna Gain .................................................................................................................... 18 2.2 Peak Output Power Measurement ......................................................................................... 19 2.2.1 Limit ................................................................................................................................. 19 2.2.2 Test Setup .......................................................................................................................... 19 2.2.3 Test Procedure................................................................................................................... 19 2.2.4 Test Result ........................................................................................................................ 19 2.3 6dB Bandwidth Measurement ................................................................................................ 20 2.3.1 Limit ................................................................................................................................. 20 2.3.2 Test Setup .......................................................................................................................... 20 2.3.3 Test Procedure................................................................................................................... 20 2.3.4 Test Result ........................................................................................................................ 21 2.4 Power Spectral Density Measurement ................................................................................... 2…

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Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 1 of 3 Attachment 1：EUT Test Photographs Radiated Emission for below 30 MHz Trade Name：rhombus Model Name：DR20 Trade Name：rhombus Model Name：DR20 Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 2 of 3 Radiated Emission for 30 M ~ 1 GHz Trade Name：rhombus Model Name：DR20 Trade Name：rhombus Model Name：DR20 Report No: WD-RF-R-230280-A0 WD-RF-R-230280-B0 WD-RF-R-230280-C0 WD-RF-R-230280-D0 WD-RF-R-230280-E0 Page 3 of 3 Radiated Emission for above 1 GHz Trade Name：rhombus Model Name：DR20 Trade Name：rhombus Model Name：DR20 --- END ---