YZZDP755Long Range High Performance DECT VoIP Base Station

Common part： This equipment complies with radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. U.S. FCC Part 15 Regulatory Information 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: 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 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. Canada Regulatory Information Radio equipment 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. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : 1) L’appareil ne doit pas produire de brouillage; 2) L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. CAN ICES-3 (B)/NMB-3(B) This product meets the applicable Innovation, Science and Economic Development Canada technical specifications. Le présent produit est conforme aux spécifications techniques applicables d'Innovation, Sciences et Développement économique Canada. EU Regulatory Information Support Frequency Bands and Power: DECT: 1881.792~1897.344 MHz (TX/RX)< 23dBm; The simplified EU declaration of conformity referred to in Article 10(9) shall be provided as follows: Hereby, [Grandstream Networks, Inc.] declares that the radio equipment type [DP755] is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: www.grandstream.com UK Regulatory Information Support Frequency Bands and Power: DECT: 1881.792~1897.344 MHz (TX/RX)< 23dBm; The simplified UK declaration of conformity referred to in Regulation 8& 14 shall be provided as follows: Hereby, [Grandstream Networks, Inc.] declares that the radio equipment type [DP755] is in compliance with Directive RER 2017 (S.I.2017/1206).. The full text of the UK declaration of conformity is available at the following internet address: www.grandstream.com

Grandstream Networks, Inc. 126 Brookline Ave, 3rd Floor Boston, MA 02215. USA Tel : +1 (617) 566 - 9300 www.grandstream.com For Warranty and RMA information, please visit www.grandstream.com DP755 Long Range High Performance DECT VoIP Base Station Quick Installation Guide FCC ID: YZZDP755 FCC Warning: This device complies with Part 15 of the FCC Rules. Operation is sub- ject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interfer- ence received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Content English............................................................1 Español........................................................6 Français......................................................11 Deutsch......................................................... 16 Italiano..........................................................21 Русскй..........................................................26 Português......................................................31 ~1~~2~ The DP755 is not pre-configured to support or make emergency calls to any type of hospital, law enforcement agency, medical care unit (“Emergency Service(s)”) or any other kind of Emergency Service. You must make additional arrangements to access Emergency Services. It is your responsibility to purchase SIP-compli- ant Internet telephone service, properly con- figure the DP755 to use that service, and peri- odically test your configuration to confirm that it works as you expect. It is also your responsi- bility to purchase traditional wireless or land- line telephone services to access Emergency Services. GRANDSTREAM DOES NOT PROVIDE CON- NECTIONS TO EMERGENCY SERVICES VIA THE DP755. NEITHER GRANDSTREAM NOR ITS OF- FICES, EMPLOYEES OR AFFILIATES MAY BE HELD LIABLE FOR ANY CLAIM, DAMAGE, OR LOSS, AND YOU HEREBY WAIVE ANY AND ALL SUCH CLAIMS OR CAUSES OF ACTION ARISING FROM OR RELATING TO YOUR INABILITY TO USE THE DP755 TO CONTACT EMERGENCY SERVICES, AND YOUR FAILURE TO MAKE ADDITIONAL AR- RANGEMENTS TO ACCESS EMERGENCY SER- VICES IN ACCORDANCE WITH THE IMMEDIATE- LY PRECEDING PARAGRAPH. DP755 PACKAGE CONTENTS EN 1x DP755 Base Station 1x Bracket 5V 1x 5V Power Adapter 1x Quick Installation Guide 1x Ethernet Cable PRECAUTIONS • Do not attempt to open, disassemble, or modify the device. • Do not use a third party power adapter. • Do not expose the device to temperatures outside the range of -10 °C to 40 °C (14 °F to 104 °F) in operation and -20 °C to 60 °C (-4 °F to 140 °F) in storage. • Do not expose the DP755 at environments outside of the hu- midity range of 10-90% RH (non-condensing). OVERVIEW The DP755 is a powerful Dect VoiP Phone Base station that pairs with up to 10 of Grandstream’s DP series DECT handsets to offer mobility to business and residential users. It supports a range of up to 400 meters with DP730 and up to 350 meters with DP722/DP720 outdoors and 50 meters indoors to give us- ers the freedom to move around their work or home space, delivering efficient flexibility. This DECT VoIP Phone Base Station supports up to 10 handsets and 20 SIP accounts while also of- fering 3-way voice conferencing, full HD audio and integrated PoE. A shared SIP account on all handsets will add seamless unified features that gives users the ability to answer all calls regardless of location in real-time. The DP755 supports a vari- ety of auto-provisioning methods and TLS/SRTP/HTTPS encryp- tion security. When paired with Grandstream’s DP720, DP722 or DP730 handsets, the DP755 offers a powerful cordless DECT solution for any business or residential user. ~3~~4~ DP755 BASE STATION DESCRIPTION Subscribe/ Page Button Power LED Indicator Network LED Indicator Handset/Sub- scription LED Indicator Front ViewBack View Wall Mount Slots Bracket Slots Bottom View Network Socket Power Input Ceiling Mount 4 cm 4 cm • Using a drill, make a hole on each marked dot. Put a plastic expansion bolt (not provided) on each hole. • Mount the DP755 bracket on the ceiling two screws (not pro- vided). • Plug the bracket to DP755 using its “Desktop Stand Slots”. • Mark two dots on the ceiling with 4 cm in be- tween where to mount DP755. SETTING UP THE DP755 BASE STATION Desktop Installation Wall Mount 6 cm 6 cm • Plug the bracket to DP755 using its Desktop stand slots. • Mark two dots horizontally with 6 cm in between where to wall mount DP755. • Using a drill, make a hole on each marked dot. Put a plastic expansion bolt and screw (not provided) on each hole. Let enough space on the screws to mount DP755. • Mount the DP755 on the screws using its “Wall Mount Slots”. SUBSCRIBE HANDSETS TO DP755 BASE STATION 1. Open Subscription • Access DP755 Web GUI and press subscribe button. • Or, press Subscribe/Page button on DP755 base station. 2. Handset Registration 1. Access to DP730/DP722/DP720 menu → Registration → Register. 2. Select “Base 1” and press “Subscribe” softkey. 3. DP730/DP722/DP720 will search for nearby base stations and will display RFPI code and base station name of the discovered DP755. 4. Press “Subscribe” to pair with displayed DP755. POWERING UP/CONNECTING DP755 Connect the network socket on the back of the unit to the RJ-45 socket of a PoE Network Switch using the network cable provided or 3 rd party network cable. Power using PoE Power using PSU • Connect the network socket on the back of the unit to the network connection socket using the network cable provided or 3 rd party network cable. • Plug the power supply plug into a power source socket. Plug the microUSB connector into related socket at the back of the unit. ~5~~6~ Refer to online documents and FAQ for more detailed information: http://www.grandstream.com/our-products ACCESSING DP755 WEB GUI 1. Power on DP755 and connect it to the network. 2. Connect a co…

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Grandstream Networks, Inc. 2023-07-07 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for FCCID: YZZDP755 [Grandstream Networks, Inc.] (“the applicant”) 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, ______________ Ning Wei Grandstream Networks, Inc. 2023-07-07 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for FCCID: YZZDP755 [Grandstream Networks, Inc.] (“the applicant”) 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, _________ Ning Wei

Attestation Statements 2023-07-07 TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for FCC ID: YZZDP755 Grandstream Networks, Inc. , the undersigned, hereby authorize Grandstream Networks, Inc. to act as our designated U.S. agent for service of process, Grandstream Networks, Inc. accepts to maintain an agent for no le ss than one year after the grantee ha s terminated all marketing and importation or the conclusion of any Commission- related proceeding involving the equipment. Grandstream Networks, Inc. accepts the responsibility to act as designated U.S. agent for service of process, provides an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Information： Company name: Grandstream Networks, Inc. Contact Name: Ning Wei Address: 126 Brookline Ave., 3rd Floor Boston, MA 02215, USA Telephone No: +1 617-566-9300 Email: [email protected] U.S. Agent Information: Company Name: Grandstream Networks, Inc. Address: 126 Brookline Ave., 3rd Floor Boston, MA 02215, USA FRN: 0020352431 Contact Name: Ning Wei Telephone No: +1 617-566-9300 Email: [email protected] Applicant Signature: Appli cant printed name: Ning Wei Agent Signature: (i f the agent is different from the applicant) Agent printed name:

Grandstream Networks, Inc. (2023-07-07) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen UnionTrust Quality and Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, _______________ Signature: Name: Ning Wei Title: Manager

Grandstream Networks, Inc. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023-07-07 Subject; Request for Confidentiality FCC ID: YZZDP755 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Ning Wei Title: Manager

Page 1 of 10 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com APPENDIX 2 PHOTOS OF EUT CONSTRUCTIONAL DETAILS EUT EXTERNAL PHOTOS EUT Photo EUT Photo Page 2 of 10 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 3 of 10 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 4 of 10 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 5 of 10 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 6 of 10 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo (Adapter 1) Page 7 of 10 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo (Adapter 1) EUT Photo (Adapter 1) Page 8 of 10 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo (Adapter 2) EUT Photo (Adapter 2) Page 9 of 10 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo (Adapter 2) EUT Photo (Adapter 3) Page 10 of 10 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo (Adapter 3) EUT Photo (Adapter 3)

IC: 11964A-DP755 CAN ICES-003(B) / NMB-003(B) FCC ID: YZZDP755 Made in China Model: DP755Input: 5V 1A Grandstream Networks, Inc. 126 Brookline Avenue, 3rd Floor Boston, MA 02215, USA 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. 技术要求： 1. 尺寸：45*35mm，四周倒角R=1mm，C=4mm，厚度0.1±0.05mm； 2. 公差：±0.3mm； 3. 材质：AW3209 80G铜版纸，印刷后过雾膜，背面带胶。要求高温70°C，高湿90%， 低温-25°C，时间各8小时环境下不脱落不翘起不起泡； 4. 颜色：黑底白字； 5. 量产前需样品承认。 R1 45.00 mm 35.00 mm 4 褚 滔 林慧娟 宋娟娟 DP755FCC贴纸 设计人 制图人 审核人 比例 型号类型 料号 V1.0 1：1 版本 20230113日期 1/1页数 / 版本号变更记录日期 V1.0原始版本20230113

Page 1 of 4 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com APPENDIX 2 PHOTOS OF EUT CONSTRUCTIONAL DETAILS EUT INTERNAL PHOTOS EUT Photo EUT Photo DECT Antenna Page 2 of 4 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 3 of 4 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo Page 4 of 4 FCC ID: YZZDP755 IC: 11964A-DP755 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] Http://www.uttlab.com EUT Photo EUT Photo

Page 1 of 9 Report No.: 2305255326RFC-2 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] http://www.uttlab.com UTTR-RF-RSS102-V1.1 RF EXPOSURE EVALUATION REPORT Product Name: Long Range High Performance DECT VoIP Base Station Trade Mark: GRANDSTREAM Model No. / HVIN: DP755 Report Number: 2305255326RFC-2 Test Standards: FCC 47 CFR Part 1 Subpart I RSS-102 Issue 5 FCC ID: YZZDP755 IC: 11964A-DP755 Test Result: PASS Date of Issue: July 7, 2023 Prepared for: Grandstream Networks, Inc. 126 Brookline Ave., 3rd Floor, Boston, MA 02215, USA Prepared by: Shenzhen UnionTrust Quality and Technology Co., Ltd. Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China TEL: +86-755-2823 0888 FAX: +86-755-2823 0886 Prepared by: Reviewed by: Kieron Luo Henry Lu Project Engineer Team Leader Approved by: Date: July 7, 2023 Kevin Liang Assistant Manager Page 2 of 9 Report No.: 2305255326RFC-2 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] http://www.uttlab.com UTTR-RF-RSS102-V1.1 Version Version No. Date Description V1.0 July 7, 2023 Original Page 3 of 9 Report No.: 2305255326RFC-2 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] http://www.uttlab.com UTTR-RF-RSS102-V1.1 CONTENTS 1. GENERAL INFORMATION ....................................................................................................................................... 4 1.1 CLIENT INFORMATION ........................................................................................................................................ 4 1.2 EUT INFORMATION ............................................................................................................................................ 4 1.3 PRODUCT SPECIFICATION SUBJECTIVE TO THIS STANDARD ................................................................................. 4 1.4 OTHER INFORMATION ......................................................................................................................................... 4 1.5 GENERAL DESCRIPTION OF APPLIED STANDARDS ............................................................................................... 5 1.6 DEVIATION FROM STANDARDS ............................................................................................................................ 5 1.7 ABNORMALITIES FROM STANDARD CONDITIONS .................................................................................................. 5 1.8 OTHER INFORMATION REQUESTED BY THE CUSTOMER ........................................................................................ 5 2. EQUIPMENT LIST .................................................................................................................................................... 5 3. MPE EVALUATION ................................................................................................................................................... 6 3.1 REFERENCE DOCUMENTS FOR EVALUATION ........................................................................................................ 6 3.2 MPE COMPLIANCE REQUIREMENT ..................................................................................................................... 6 3.2.1 LIMITS ................................................................................................................................................... 6 3.2.2 TEST PROCEDURE ................................................................................................................................. 7 3.3 MPE CALCULATION METHOD ............................................................................................................................. 7 3.4 MPE CALCULATION RESULTS ............................................................................................................................ 7 3.4.1 FOR DECT ............................................................................................................................................ 7 APPENDIX 1 PHOTOS OF TEST SETUP ....................................................................................................................... 9 APPENDIX 2 PHOTOS OF EUT CONSTRUCTIONAL DETAILS ................................................................................... 9 Page 4 of 9 Report No.: 2305255326RFC-2 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] http://www.uttlab.com UTTR-RF-RSS102-V1.1 1. GENERAL INFORMATION 1.1 CLIENT INFORMATION Applicant: Grandstream Networks, Inc. Address of Applicant: 126 Brookline Ave., 3rd Floor Boston, MA 02215, USA Manufacturer: Grandstream Networks, Inc. Address of Manufacturer: 126 Brookline Ave., 3rd Floor Boston, MA 02215, USA 1.2 EUT INFORMATION Product Name: Long Range High Performance DECT VoIP Base Station Model No. / HVIN: DP755 Trade Mark: GRANDSTREAM DUT Stage: Identical Prototype EUT Supports Function: (Provided by the customer) DECT: 1 920 MHz to 1 930 MHz Sample Received Date: May 25, 2023 Remark: The above EUT's information was provided by customer. Please refer to the specifications or user's manual for more detailed description. 1.3 PRODUCT SPECIFICATION SUBJECTIVE TO THIS STANDARD For D…

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Page 1 of 50 Report No.: 2305255326RFC-1 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] http://www.uttlab.com UTTR-RF-RSS213-V1.0 TEST REPORT Product Name: Long Range High Performance DECT VoIP Base Station Trade Mark: GRANDSTREAM Model No. / HVIN: DP755 Report Number: 2305255326RFC-1 Test Standards: FCC 47 CFR Part 15 Subpart D RSS-213 Issue 3 RSS-Gen Issue 5 FCC ID: YZZDP755 IC: 11964A-DP755 Test Result: PASS Date of Issue: July 7, 2023 Prepared for: Grandstream Networks, Inc. 126 Brookline Ave. 3rd Floor Boston, MA 02215, USA. Prepared by: Shenzhen UnionTrust Quality and Technology Co., Ltd. Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China TEL: +86-755-2823 0888 FAX: +86-755-2823 0886 Prepared by: Reviewed by: Kieron Luo Henry Lu Project Engineer Team Leader Approved by: Date: July 7, 2023 Kevin Liang Assistant Manager Page 2 of 50 Report No.: 2305255326RFC-1 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] http://www.uttlab.com UTTR-RF-RSS213-V1.0 Version Version No. Date Description V1.0 July 7, 2023 Original Page 3 of 50 Report No.: 2305255326RFC-1 Shenzhen UnionTrust Quality and Technology Co., Ltd. Address: Unit D/E of 9/F and 16/F, Block A, Building 6, Baoneng science and technology park, Longhua district, Shenzhen, China Tel: +86-755-28230888 Fax: +86-755-28230886 E-mail: [email protected] http://www.uttlab.com UTTR-RF-RSS213-V1.0 CONTENTS 1. GENERAL INFORMATION ....................................................................................................................................... 4 1.1 CLIENT INFORMATION ........................................................................................................................................ 4 1.2 EUT INFORMATION ............................................................................................................................................ 4 1.2.1 GENERAL DESCRIPTION OF EUT ............................................................................................................ 4 1.2.2 DESCRIPTION OF ACCESSORIES .............................................................................................................. 4 1.3 PRODUCT SPECIFICATION SUBJECTIVE TO THIS STANDARD ................................................................................. 5 1.4 DESCRIPTION OF SUPPORT UNITS ...................................................................................................................... 5 1.5 TEST LOCATION ................................................................................................................................................. 6 1.6 TEST FACILITY ................................................................................................................................................... 6 1.7 DEVIATION FROM STANDARDS ............................................................................................................................ 6 1.8 ABNORMALITIES FROM STANDARD CONDITIONS ..............................…

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