2AHCR-VPR73GVideo Phone

R73G Android Video Phone Admin Guide About this manual Thank you for choosing Akuvox’s R73G Android Video Phone. This manual is intended for end users, who need to use and configure the door phone. It provides an overview of the most essential functions and features of the product. Contact us For more information about the product, please visit us at www.akuvox.com or feel free to contact us by Sales email: [email protected] Technical support email: [email protected] Telephone: +86-592-2133061 ext.7694/8162 We highly appreciate your feedback about our products FCC Caution: 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 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: 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 toprovide 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. Since this device has the HAC function, the earpiece is easy to absorb small metal, please take care to avoid scratching. FCC Radiation Exposure Statement: This equipment complies with FCC 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&you body Content 1. Product Overview ........................................................................................................................................................................... 1 1.1. Instruction ............................................................................................................................................................................... 1 1.2. Equipment Appearance And Interface Description .................................................................................................................. 2 1.2.1. Interface Description ...................................................................................................................................................... 2 1.2.2. Keypad Description ........................................................................................................................................................ 3 1.3. Pendant(Optional) ................................................................................................................................................................... 4 1.4. Indicator .................................................................................................................................................................................. 5 1.4.1. Indicator of R73G ........................................................................................................................................................... 5 1.4.2. Indicator of Pendant ....................................................................................................................................................... 5 2. Installation ...................................................................................................................................................................................... 8 2.1. Equipment Packaging ............................................................................................................................................................. 8 2.2. Connecting Video Phone ........................................................................................................................................................ 8 2.3. Installation Considerations ...................................................................................................................................................... 9 3. Daily Use ....................................................................................................................................................................................... 10 3.1. Call ........................................................................................................................................................................................ 10 3.1.1. Make A Call .................................................................................................................................................................. 10 3.1.2. Dial Out Directly ........................................................................................................................................................ 11 3.1.3. Dialing Out From Contact List ...................................................................................................................................... 12 3.1.4. Receive A Call ....................................................…

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QA-FR-170-B 7/29/2014 AKUVOX (XIAMEN) NETWORKS CO., LTD. Add: 10/F, No.56, Software Park II , Xiamen, China TEL: 086-0591-83057798 FAX: 086-0591-83057798 Mail: [email protected] FCC Authorization ( Date:2019-10-29) FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, AKUVOX (XIAMEN) NETWORKS CO., LTD. hereby authorizes Bay Area Compliance Laboratories Corp. 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 Bay Area Compliance Laboratories Corp. on our behalf shall have the same effect as our own action. We, 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: Print name: Bo,Yang Title: Manager

QA-FR-171-A AKUVOX (XIAMEN) NETWORKS CO., LTD. Add: 10/F, No.56, Software Park II , Xiamen, China TEL: 086-0591-83057798 FAX: 086-0591-83057798 Mail: [email protected] FCC Confidential Authorization Date: 2019-10-29 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AHCR-VPR73G In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, AKUVOX (XIAMEN) NETWORKS 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, Signature: Print name: Bo,Yang Title: Manager

AKUVOX (XIAMEN) NETWORKS CO., LTD. Add: 10/F, No.56, Software Park II , Xiamen, China TEL: 086-0591-83057798 FAX: 086-0591-83057798 Mail: [email protected] DECLARATION OF SIMILARITY ( Date: 2019-10-29) FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, AKUVOX (XIAMEN) NETWORKS CO., LTD., hereby declare that our product Video Phone, model name R73G have the same mainboard and software with VP-R73G, FCC ID: 2AHCR-VPR73G, which was tested by BACL. The difference between them is the model name. Please contact me should there be need for any additional or information. Sincerely Yours, Signature: Print name: Bo,Yang Title: Manager

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS SD Card Port Port

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS BT&WIFI Module Antenna

Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Dongguan). This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. * This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “*”. FCC PART 15.407 DYNAMIC FREQUENCY SELECTION TEST REPORT For AKUVOX (XIAMEN) NETWORKS CO., LTD. 10/F, No.56, Software Park II , Xiamen, China FCC ID: 2AHCR-VPR73G Report Type: Original Report Product Type: Video Phone Report Number: RXM190225051-00A Report Date: 2019-09-18 Reviewed By: Jerry Zhang EMC Manager Test Laboratory: Bay Area Compliance Laboratories Corp. (Dongguan) No.69 Pulongcun, Puxinhu Industry Area, Tangxia, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM190225051-00A FCC Part 15.407 DFS Test Report Page 2 of 22 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 3 OBJECTIVE ................................................................................................................................................................... 3 TEST METHODOLOGY .................................................................................................................................................. 3 TEST FACILITY ............................................................................................................................................................. 3 SYSTEM TEST CONFIGURATION .......................................................................................................................... 4 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 4 EUT EXERCISE SOFTWARE .......................................................................................................................................... 4 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 4 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 4 EXTERNAL CABLE ........................................................................................................................................................ 4 SUMMARY OF TEST RESULTS ............................................................................................................................... 5 APPLICABLE STANDARDS ........................................................................................................................................ 6 DFS REQUIREMENT ..................................................................................................................................................... 6 DFS MEASUREMENT SYSTEM .................................................................................................................................... 10 SYSTEM BLOCK DIAGRAM ......................................................................................................................................... 10 CONDUCTED METHOD ............................................................................................................................................... 11 RADIATED METHOD ................................................................................................................................................... 12 TEST PROCEDURE ...................................................................................................................................................... 12 TEST RESULTS .......................................................................................................................................................... 13 DESCRIPTION OF EUT ................................................................................................................................................ 13 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 13 RADAR WAVEFORM CALIBRATION ............................................................................................................................ 14 TEST ENVIRONMENTAL CONDITIONS ......................................................................................................................... 14 CHANNEL MOVE TIME AND CHANNEL CLOSING TRANSMISSION TIME ............................................. 16 TEST PROCEDURE ...................................................................................................................................................... 16 TEST RESULTS ........................................................................................................................................................... 16 NON-OCCUPANCY PERIOD ................................................................................................................................... 21 TEST PROCEDURE ...................................................................................................................................................... 21 TEST RESULT ............................................................................................................................................................. 21 Bay Area Compliance Labora…

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Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Dongguan). This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. * This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “*”. FCC PART 15.407 TEST REPORT For AKUVOX (XIAMEN) NETWORKS CO., LTD. 10/F, No.56, Software Park II , Xiamen, China Report Type: Original Report Product Name: Video Phone Re port Number: RXM190225051-00C Re port Date: 2019-09-18 Reviewed By: Jerry Zhang EMC Manager Test Laboratory: Bay Area Compliance Laboratories Corp. (Dongguan) No.69 Pulongcun, Puxinhu Industry Area, Tangxia, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn FCC ID: 2AHCR-VPR73G Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM190225051-00C Page 2 of 112 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 7 EQUIPMENT MODIFICATIONS ..................................................................................................................................... 11 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................. 11 SUPPORT CABLE LIST AND DETAILS .......................................................................................................................... 11 BLOCK DIAGRAM OF TEST SETUP .............................................................................................................................. 12 SUMMARY OF TEST RESULTS ............................................................................................................................. 13 FCC §15.407 (f) & §1.1310 & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) ...................................... 14 APPLICABLE STANDARD ............................................................................................................................................ 14 FCC §15.203 – ANTENNA REQUIREMENT .......................................................................................................... 15 APPLICABLE STANDARD ............................................................................................................................................ 15 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 15 FCC §15.407 (b) (6) §15.207 (a) – CONDUCTED EMISSIONS ............................................................................. 16 APPLICABLE STANDARD ............................................................................................................................................ 16 EUT SETUP ................................................................................................................................................................ 16 EMI TEST RECEIVER SETUP ....................................................................................................................................... 16 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 16 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 17 TEST PROCEDURE ...................................................................................................................................................... 17 TEST DATA ................................................................................................................................................................ 17 FCC §15.209, §15.205 & §15.407(b) –UNWANTED EMISSION ............................................................................ 22 APPLICABLE STANDARD ............................................................................................................................................ 22 EUT SETUP ................................................................................................................................................................ 23 EMI TEST RECEIVER & SPECTRUM ANALYZE…

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Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM190225051-00C Page 14 of 112 FCC §15.407 (f) & §1.1310 & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 15.407(f)and subpart §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 30 30–300 27.5 0.073 0.2 30 300–1500 / / f/1500 30 1500–100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculation formula: Prediction of power density at the distance of the applicable MPE limit S = PG/4R² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Calculated Data: Modes Frequency (MHz) Antenna Gain Conducted output power including Tune- up Tolerance Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric)(dBm)(mW) 2.4G Wifi 2412-24622.8 1.91 22158.4920.00 0.0601 1.0 Bluetooth BDR/EDR 2402-24802.8 1.91 4 2.51 20.00 0.0010 1.0 Bluetooth LE 2402-24802.8 1.91 5 3.16 20.00 0.0012 1.0 5G Wifi 5180-58256.5 4.47 1215.85 20.00 0.0141 1.0 Note: The WLAN 2.4G, 5G or Bluetooth can`t transmit simultaneously. Result: The device meet FCC MPE at 20 cm distance

EXHIBIT D - TEST SETUP PHOTOGRAPHS M1: Conducted Emissions Front View Conducted Emissions Side View M2: Conducted Emissions Front View Conducted Emissions Side View Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View