2A5PQ-VZ4W4K Wireless Document Camera

User Manual VZ4W Wireless Visualizer Wi-Fi Connection Instruction V1.1 WiFi AP Mode Connection 1. Switch to the Wi-Fi mode and the Wi-Fi LED indicator will be emitted green with flashing. 2. Open the wireless network list on the computer then select the [VZ4W_5G_xxxxxx] in the network list and input the password for connection (default: 88889999) to start the connection. 3. When the connection is successful, the Wi-Fi LED indicator will emit green light. 4. Launch VisualCam software and select the connection mode to “Direct Wi-Fi (AP Mode) Connection”. PS. When the direct Wi-Fi AP mode is connected, the Internet will be disconnected. WiFi Client (STA) Mode Connection 1. Switch to the Wi-Fi mode and the Wi-Fi LED indicator will be emitted blue light with flashing. 2. Open the wireless network list on the computer then select the [VZ4W_5G_xxxxxx] in the network list and input the password for connection (default: 88889999) to start the connection. 3. Open the web browser and enter the default IP [192.168.100.1] in the address bar. 4. Enter the login account [admin] and default password [9999] and click Login. 5. After logging to the web page, you can do the live preview and configure the settings on the web page. When the STA mode is configured. Launch VisualCam software and select the connection mode to “WiFi STA (Client Mode) Connection”. Web Page Settings Instruction V1.1 Web Page Menu Function Description 1. Login Screen No Item Function Descriptions 1 User Login Account Enter user login account (default: admin) 2 User Password Enter user password (default: 9999) 3 Remember user account and password Save user login account and password to the browser. When you log in next time, there is no need to re-enter them 4 Login Log into the administrator screen on the website 1 2 3 4 2. Live Viewing No Item Function Descriptions 1 Preview window Display the screen currently captured by VZ4W 2 Autofocus Automatically adjust the image to have the best brightness and focusing performance 3 Lamp mode toggle switch Click lamp mode toggle switch: off / brightness 1 / brightness 2 / brightness 3 4 Zoom In Zoom in image 5 Zoom Out Zoom out image 6 Rotate the image Rotate the image: 0° / 90° / 180° / 270° / Flip / Mirror 7 Logout Log out of the web page 1 3 4 2 7 5 6 6 3. RTSP Streaming Settings No Item Function Descriptions 1 Resolution Show or set the RTSP output resolution and fps 2 Bit Rate (kbps) Show or set the RTSP Bit rate (0 ~ 20000) 3 Port Number Set the RTSP port (0 ~ 10000) 4 Audio Setting Turn on/off RTSP audio 5 RTSP URL Show current RTSP URL connection 6 Save Save and change the RTSP streaming settings 7 Cancel Cancel without saving 8 Default Restore to default 1 2 3 6 4 5 7 8 4. Wi-Fi Setting (Access Point Mode) No Item Function Descriptions 1 Wi-Fi Mode Select Access Point or Client Mode 2 Wi-Fi 5G/2.4G Switch between 5G / 2.4G under Wi-Fi Access Point mode 3 Device Name (SSID) Device name of wireless network 4 Channel Select the channel based on different regions 5 Security Wi-Fi encryption setting 6 Password Connect the Wi-Fi SSID password 7 Show Password Show the Wi-Fi SSID password 8 Save Save and change the wireless network settings 9 Cancel Cancel without saving 1 2 3 4 6 5 7 8 9 5. Wi-Fi Setting (Client Mode) No Item Function Descriptions 1 Wi-Fi Mode Select Access Point or Client Mode 2 Scan Scan nearby wireless network devices 3 Disconnection Disconnect from current wireless network device 4 Remove Remove the selected wireless network device from the list 5 List of Wi-Fi Wireless Network Device Names Click the wireless device and the following image will be displayed. Enter the password to connect to various wireless network devices 6 Device Name Device name of wireless network 7 Connection Status Display the wireless network device to which VZ4W is currently connecting. If connected, the corresponding field of said wireless device will display “Connected”, otherwise it would stay blank 8 Encryption The current encryption setting of the wireless network device 9 Signal Status Show the degree of the Wi-Fi signal 1 2 3 6 7 8 9 4 5 6. System Network Information No Item Function Descriptions 1 Network The network setting of this VZ4W device. When the DHCP function is closed, click edit to enter edit mode and change the network setting. 1 7. Maintenance No Item Function Descriptions 1 Reset to the default value Select the reset button to resume the factory default setting as the web page setting 2 Reboot Click the reboot button and reboot the device 3 Current Firmware version Display current firmware version 4 Upgrade file path Choose firmware *.appsw file 5 Start Update Click and start update the firmware 1 2 4 5 3 8. User Account No Item Function Descriptions 1 User Name Allow modify the user login account (default: admin) 2 Password Allow modify the login password (default: 9999) 3 Save Save and change the wireless network settings 4 Cancel Cancel without saving 9. About No Item Function Descriptions 1 Related Information Display information about the manufacturing of this device 1 1 Supplier's Declaration of Conformity 47 CFR § 2.1077 Compliance Information Manufacturer：Beijing Mysher Technology Co., Ltd. Product Name：4K Wireless Document Camera Model Number：VZ4W Responsible Party – Contact Information Supplier：Beijing Viisan Technology Co., Ltd. Unit A311, Information Center, ZhongGuanCun Software Z-Park HaiDian District, Beijing, 100193 China e-mail ：[email protected] FCC Compliance Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 …

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Beijing Viisan Technology Co., Ltd. 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: Beijing Viisan Technology Co., Ltd. Address: Unit A309 third floor, Information Center, Zhongguancun Software Park, Haidian District, Beijing, 100193 China Product Name: 4K Wireless Document Camera FCC ID: 2A5PQ-VZ4W Model(s): VZ4W 2.911(d)(5)(i) EquipmentType We, [Beijing Viisan Technology Co., Ltd.] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Nicky Huang Date: 2024-01-11 Title and Company name: Product Manager / Beijing Viisan Technology Co., Ltd. NOTE 1 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the- communications-supply-chain-through-the

Beijing Viisan Technology Co., Ltd. 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Beijing Viisan Technology Co., Ltd. Address: Unit A309 third floor, Information Center, Zhongguancun Software Park, Haidian District, Beijing, 100193 China Product Name: 4K Wireless Document Camera FCC ID: 2A5PQ-VZ4W Model(s): VZ4W 2.911(d)(5)(ii) Applicant filing We, [Beijing Viisan Technology Co., Ltd.] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 ,established pursuant to §1.50002 of this chapter,as an entity producing coveredcommunications equipment. Yours sincerely, Name: Nicky Huang Date: 2024-01-11 Title and Company name: Product Manager / Beijing Viisan Technology Co., Ltd. NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the- communications-supply-chain-through-the

Beijing Viisan Technology Co., Ltd. U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Baihetian Innovative Solutions FRN: 0033401605 Contact Name: Kenneth Young Street Address: 6837 Chase Rd City/Province/Zip: Dearborn, MI 48126 Telephone No: 313-395-3113 Email: [email protected] This letter is to confirm that we (Baihetian Innovative Solutions) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: Signed by (Printed Name/Title): 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 above changes. Applicant Company name: Beijing Viisan Technology Co., Ltd. FRN: 0032100448 Grantee Code: 2A5PQ Contact Name: Nicky Huang Street Address: Unit A309 third floor, Information Center, Zhongguancun Software Park, Haidian District City/Province/Zip: Beijing, 100193 China Telephone No: +86-10-82826362 Email: [email protected] Applicant Signature: Date:2024-01-12 Signed by (Printed Name/Title): Nicky Huang / Product Manager FCC ID: 2A5PQ-VZ4W Jan 20, 2023 Jan 2024 Kenneth Young/Manager

Beijing Viisan Technology Co., Ltd. Agent Authorization Company: Beijing Viisan Technology Co., Ltd. Address: Unit A309 third floor, Information Center, Zhongguancun Software Park, Haidian District, Beijing, 100193 China Product Name: 4K Wireless Document Camera Model Number(s): VZ4W Product Description: 4K Wireless Document Camera We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2024-01-11 Name: Nicky Huang Title: Product Manager Company: Beijing Viisan Technology Co., Ltd.

Beijing Viisan Technology Co., Ltd. Offic e of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024.01.11 Subject; Request for Long Term Confidentiality FCC ID: 2A5PQ-VZ4W 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 Software security operational description 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: Nicky Huang Title: Product Manager

Beijing Viisan Technology Co., Ltd. FCC Software Configuration Control Declaration Date: Jan, 11, 2024 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Attn: OET Dept. Product/ Model Number: 4K Wireless Document Camera / VZ4W Regarding FCC Country Code Selection guidelines identified in KDB 594280 D01v02r01. “All applications for equipment authorization for transmitters that can have radio parameters, or other technical parameters, reported to the Commission set by software must have an attestation indicating that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified.” We declare that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified. Name: Nicky Huang Title: Product Manager Signature of applicant Date: 2024-01-11

Page 1 of 4 Appendix C: Photographs of EUT Product: 4K Wireless Document Camera Model: VZ4W External Photos Page 2 of 4 Page 3 of 4 Page 4 of 4

Size and Location： Label Artwork and Location Model: VZ4W THIS DEVICE COMPLES 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 CASUE UNDESIRED OPERATION Model: VZ4W DC INPUT: DC5V ,1A(MAX) Manufacturer: Beijing Mysher Technology Co., Ltd. Website: www.viisan.com WiFi Password: 88889999 IP Address: 192.168.100.1 FCC ID: 2A5PQ-VZ4W

Page 1 of 9 Appendix C: Photographs of EUT Product: 4K Wireless Document Camera Model: VZ4W Internal Photos Page 2 of 9 Page 3 of 9 Page 4 of 9 Page 5 of 9 Page 6 of 9 Page 7 of 9 Antenna Page 8 of 9 Page 9 of 9

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2A5PQ-VZ4W Test Report No. ............... : TCT231204E048 Date of issue ................... : Jan. 29, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Beijing Viisan Technology Co., Ltd. Address ........................... : Unit A309 third floor, Information Center, Zhongguancun Software Park, Haidian District, Beijing, 100193 China Manufacturer's name ... : Beijing Mysher Technology Co., Ltd. Address ........................... : Unit B306, Building #1, Info. Center, ZhongGuanCun Software Z-Park, HaiDian District, Beijing, China (100193) Standard(s) ..................... : FCC CFR Title 47 Part 1.1307 Product Name ................. : 4K Wireless Document Camera Trade Mark ...................... : VIISAN Model/Type reference..... : VZ4W Rating(s).......................... : Refer to EUT description of page 3 Date of receipt of test item ......................................... : Dec. 04, 2023 Date (s) of performance of test ................................... : Dec. 04, 2023 ~ Jan. 29, 2024 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT231204E048 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT231204E048 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : 4K Wireless Document Camera Model/Type reference........... : VZ4W Sample Number....................: TCT231204E014-0101 Operation Frequency ........... : For 2.4G WIFI: 2412MHz~2462MHz(802.11b/802.11g/802.11n(HT20)) 2422MHz~2452MHz (802.11n(HT40)) For 5G WIFI: 5180 MHz ~ 5240 MHz Modulation Type ................... : For 2.4G WIFI: DSSS(802.11b), OFDM (802.11g/802.11n) For 5G WIFI: 256QAM, 64QAM, 16QAM, BPSK, QPSK Antenna Type ........................ : Internal Antenna Antenna Gain ........................ : 2.4G WIFI: 1.75dBi 5G WIFI: 1.87dBi Rating(s)................................ : Adapter Information: MODEL: JF012WR-0500200UU INPUT: AC 100-240V, 50/60Hz, 0.35A OUTPUT: DC 5V, 2.0A, 10W Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. Report No.: TCT231204E048 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 3.7V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Engineering mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT231204E048 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. Facilities and Accreditations 3.1. Facilities The test facility is recognized, certified, or accredited by the following organizations: ● FCC - Registration No.: 645098 SHENZHEN TONGCE TESTING LAB Designation Number: CN1205 The testing lab has been registered and fully described in a report with the (FCC) Federal Communications Commission…

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承 认 书 SPECIFICATION FOR APPROVAL 客 户 名 称 CUSTOMER NAME: Sihai Zhonglian 产 品 名 称 PRODUCT NAME: 2.4/5.8G-2.0DBI-Nickel-nickel copper built-in antenna 客 户 料 号 C USTOMER P/N: 中联云达料号 Z LYD P/N: ZLYD01NP2D32A R EV: A MANUFACTURER SIGNATURE CUSTOMER SIGNATURE CHECKED BY: APPROVED BY: DATE: 2016/09/24 Content s ltemDescription 1. ---------------------------------------------------------------Specification Table 2.---------------------------------------------------------------Dimensi ons 3.---------------------------------------------------------------testing re port 1．规格表: 产品主要技术参数 主要技术指标 Main technical specifications 频率范围 （MHZ） 2400~2500/ 5150~5800 Frequency Range (MHZ) 2400~2500/ 5150~5800 特性阻抗(Ω) 50Impedance(Ω)50 增益(dBi) 2.4G:1.75dBi 5G:2.11dBi Gain(dBi) 2.4 G:1.75dBi 5G:2.11dBi 输出电压 驻波比 ≤1.92VSWR≤1.92 最大功率 10WAdmitted Power10W 极化方式 垂直极化PolarizationLinear,Ver tical 连接方式 DIPConnector TypeDIP 物理性能Physical Properties 天线本体材料 洋白铜Antenna Base洋白铜 工作温度 -20°C~+65°C Operating Te mp-20°C~+65°C 保存温度 -30°C~+75°C Storage Temp-30°C~+75°C 2 ． Di mensions： L*W=1 4.3*3.5mm 3.测试报告 3.1：网络分析仪测试报告 3.2：暗室2D、3DRadi tation Pattern(整机数据) 2.4GH z Gain:1.64dBi Efficiency:50.45% 2 .45GHz Gain: 1.75dBi Efficiency: 53. 19% 2 .5GHz Gain: 1.62dBi Efficiency: 51.21% 5.15GHz Gain: 1.87dBi Efficiency:53.57% 5 .35GHz Gain: 1.82dBi Efficiency: 54.03% 5 .75GHz Gain:1.96dBi Efficiency: 55.42% 5 .825GHz Gain: 2.11dBi Efficiency: 56.39%

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2A5PQ-VZ4W Test Report No. ............... : TCT231204E015 Date of issue ................... : Jan. 29, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Beijing Viisan Technology Co., Ltd. Address ........................... : Unit A309 third floor, Information Center, Zhongguancun Software Park, Haidian District, Beijing, 100193 China Manufacturer's name ... : Beijing Mysher Technology Co., Ltd. Address ........................... : Unit B306, Building #1, Info. Center, ZhongGuanCun Software Z-Park, HaiDian District, Beijing, China (100193) Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart E Section 15.407 KDB 662911 D01 Multiple Transmitter Output v02r01 KDB 789033 D02 General U-NII Test Procedures New Rules v02r01 Product Name ................. : 4K Wireless Document Camera Trade Mark ...................... : VIISAN Model/Type reference ..... : VZ4W Rating(s) ......................... : Refer to EUT description of page 3 Date of receipt of test item ......................................... : Dec. 04, 2023 Date (s) of performance of test ................................... : Dec. 04, 2023 ~ Jan. 29, 2024 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT231204E015 Page 2 of 78 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TABLE OF CONTENTS 1. General Product Information ................................................................... 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list............................................................................................................ 3 1.3. Test Frequency ...................................................................................................... 4 2. Test Result Summary ............................................................................... 5 3. General Information .................................................................................. 6 3.1. Test environment and mode ................................................................................. 6 3.2. Description of Support Units ................................................................................ 7 4. Facilities and Accreditations ................................................................... 8 4.1. Facilities ................................................................................................................. 8 4.2. Location ................................................................................................................. 8 4.3. Measurement Uncertainty ..................................................................................... 8 5. Test Results and Measurement Data ...................................................... 9 5.1. Antenna requirement ............................................................................................ 9 5.2. Conducted Emission ........................................................................................... 10 5.3. Maximum Conducted Output Power .................................................................. 14 5.4. 6dB Emission Bandwidth ................................................................................... 16 5.5. 26dB Bandwidth and 99% Occupied Bandwidth .............................................. 17 5.6. Power Spectral Density ....................................................................................... 18 5.7. Band edge ............................................................................................................ 19 5.8. Unwanted Emissions .......................................................................................... 27 5.9. Frequency Stability Measurement ..................................................................... 35 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT231204E015 Page 3 of 78 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : 4K Wireless Document Camera Model/Type reference ........... : VZ4W Sample Number....................: TCT231204E014-0101 Operation Frequency ........... : Band 1: 5180 MHz ~ 5240 MHz Channel Bandwidth .............. : 802.11a: 20MHz 802.11n: 20MHz, 40MHz 802.11ac: 20MHz, 40MHz, 80MHz Modulation Technology ....... : Orthogonal Frequency Division Multiplexing(OFDM) Modulation Type ................... : 256QAM, 64QAM, 16QAM, BPSK, QPSK Antenna Type ........................ : Internal Antenna Antenna Gain ........................ : 1.87dBi Rating(s) ............................... : Adapter Information: MODEL: JF012WR-0500200UU INPUT: AC 100-240V, 50/60Hz, 0.35A OUTPUT: DC 5V, 2.0A, 10W Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. Report No.: TCT231204E015 Page 4 of 78 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1.3. Test Frequency …

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Page 1 of 2 Appendix B: Photographs of Test Setup Product: 4K Wireless Document Camera Model: VZ4W Radiated Emission Page 2 of 2 Conducted Emission