2AG7X-XF4Double screen translator

Brand Mic Camera Speaker 8 8 8 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 9 Camera500W(optional) Double Screen Translatou 4 connect mode one use wlan (optional) Boot button LCD Indicator light Upgrade key Type-c Wired netword Wired netword Wired netword 3. Wired netword connect mode two Plug in the crystal plug of the broadband network,and you can use the broadband network for online translation. Notice :Wired network and wireless network cannot be used at the same time,wired network is preferred. 4. Camera(optional) If you turn on the camera,you can translate photos. Restore factory settings:When you confirm that you click on this function,the contents and settings of the machine will be restored to the original settings Wired netword Wired netword interface The remote control is not connected:you can check to see if the machine is connected to a bluetooth handle 中文简体 中文简体 8.9 FCC WARNING This device complies with part 15 of the FCC Rules. Operation is subject to the follow ing two conditions : (1) this device may not cause harmful interference, and (2) this device must accept any interference received, inc luding 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 residentia l 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 televis ion 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 technic ian for help. To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be insta lled and operated with minimum distance between 20cm the radiator your body: Use only the supplied antenna.

Shenzhen Hengbida Electronic Technology co., Ltd Agent Authorization Company: Shenzhen Hengbida Electronic Technology Co., Ltd Address: Building D, 4/F, Shanghe Industrial Park Nanchang Rd, Xixiang Street, Ban'an District, Shenzhen, China Product Name: Double screen translator Model Number(s): XF4 XF2, XF3, XF5, XF6, XF7, XF8, XF9, XF10, XF11, XF12, XF13, XF14, XF15, XF16, XF17, XF18, XF19, XF20, XF21 Product Description: Double screen translator 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: 2020/11/12 Name: Jianxi Liu Title: Manager Company: Shenzhen Hengbida Electronic Technology Co., Ltd

Shenzhen Hengbida Electronic Technology co., Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2020/11/12 Subject; Request for Confidentiality FCC ID: 2AG7X-XF4 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 software security requirement Operational Description 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); User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto 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: Jianxi Liu Title: Manager

Shenzhen Hengbida Electronic Technology Co., Ltd Model Difference 2020-11-12 EUT NAME: Double screen translator FCC ID: 2AG7X-XF4 MODEL : XF4 XF2, XF3, XF5, XF6, XF7, XF8, XF9, XF10, XF11, XF12, XF13, XF14, XF15, XF16, XF17, XF18, XF19, XF20, XF21 All the model are the same circuit and RF module, except model names. Regards Sincerely Client’s signature Client’s name / title : Jianxi Liu (Manager) Contact information / address: Building D, 4/F, Shanghe Industrial Park Nanchang Rd, Xixiang Street, Ban'an District, Shenzhen, China

External Photos

Size:40*20mm M/N: Double screen translator FCC ID: 2AG7X-XF4 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. Label location

Internal Photos Antenna

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2AG7X-XF4 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), 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 Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna, R=0.2m TEST RESULTS The product does not support maximum synchronous transfer MPE Tune up Produce power Maximu m peak output power (dBm) Output power to antenn a (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result 802.11n (2.4GHz WIFI) 14±1 15 31.62 1.202 (0.8dBi) 0.0756 1 Pass 802.11n (U-NII-1) 12±1 13 19.95 1.202 (0.8) 0.00477 1 Pass 802.11n (U-NII-3) 11±1 12 12.85 1.202 (0.8dBi) 0.00379 1 Pass BT/BLE 7±1 8 6.31 1.202 (0.8dBi) 0.00151 1 Pass

No.：BCTC/RF-EMC-005 Page 1 of 69 Edition：A.1 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2009001659-1E Applicant: Shenzhen Hengbida Electronic Technology co., Ltd Product Name: Double screen translator Model/Type Ref.: XF4 Tested Date: Oct. 03, 2020 to Nov. 04, 2020 Issued Date: Nov. 04, 2020 Report No.: BCTC2009001659-1E No.：BCTC/RF-EMC-005 Page 2 of 69 Edition：A.1 FCC ID : 2AG7X-XF4 The test report is effective only with both signature and specialized stamp.This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full.The tested sample(s) and the sample information are provided by the client. Product Name: Double screen translator Trademark: YISITE Model/Type Ref.: XF4 XF2, XF3, XF5, XF6, XF7, XF8, XF9, XF10, XF11, XF12, XF13, XF14, XF15, XF16, XF17, XF18, XF19, XF20, XF21 Prepared For: Shenzhen Hengbida Electronic Technology Co., Ltd Address: Building D, 4/F, Shanghe Industrial Park Nanchang Rd, Xixiang Street, Ban'an District, Shenzhen, China Manufacturer: Shenzhen Hengbida Electronic Technology Co., Ltd Address: Building D, 4/F, Shanghe Industrial Park Nanchang Rd, Xixiang Street, Ban'an District, Shenzhen, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1- 2F, East of B Building, Pengzhou Industrial, Fuyuan 1st Road, Qiaotou Community, Fuyong Street, Bao’an District, Shenzhen, China Sample Received Date: Oct. 03, 2020 Sample tested Date: Oct. 03, 2020 to Nov. 04, 2020 Issue Date: Nov. 04, 2020 Report No.: BCTC2009001659-1E Test Standards FCC Part15.247 ANSI C63.10-2013 Test Results PASS Remark: This is Bluetooth Classic radio test report. Tested by: Approved by: Sam zeng/Project Handler Zero Zhou/Reviewer Report No.: BCTC2009001659-1E No.：BCTC/RF-EMC-005 Page 3 of 69 Edition：A.1 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ............................................................ 5 2. TEST SUMMARY ..................................................... 6 3. MEASUREMENT UNCERTAINTY ....................................... 7 4. PRODUCT INFORMATION AND TEST SETUP ........................... 8 4.1 Product Information ..................................................... 8 4.2 Test Setup Configuration ................................................ 8 4.3 Support Equipment ..................................................... 9 4.4 Channel List ........................................................... 9 4.5 Test Mode ............................................................ 10 4.6 table of parameters of text software setting ................................ 10 5. TEST FACILITY AND TEST INSTRUMENT USED ........................ 11 5.1 Test Facility ........................................................... 11 5.2 Test Instrument Used .................................................. 11 6. CONDUCTED EMISSIONS ............................................ 13 6.1 Block Diagram Of Test Setup ........................................... 13 6.2 Limit ................................................................. 13 6.3 Test procedure ........................................................ 13 6.4 EUT operating Conditions .............................................. 13 6.5 Test Result ........................................................... 14 7. RADIATED EMISSIONS .............................................. 16 7.1 Block Diagram Of Test Setup ........................................... 16 7.2 Limit ................................................................. 17 7.3 Test procedure ........................................................ 18 7.4 EUT operating Conditions .............................................. 19 7.5 Test Result ........................................................... 20 8. RADIATED BAND EMISSION MEASUREMENT AND RESTRICTED BANDS OF OPERATION .......................................................... 24 8.1 Block Diagram Of Test Setup ........................................... 24 8.2 Limit ................................................................. 24 8.3 Test procedure ........................................................ 25 8.4 EUT operating Conditions .............................................. 25 8.5 Test Result ........................................................... 26 9. CONDUCTED EMISSION ............................................. 27 9.1 Block Diagram Of Test Setup ........................................... 27 9.2 Limit ................................................................. 27 9.3 Test procedure ........................................................ 27 9.4 Test Result ........................................................... 28 10. 20 DB BANDWIDTH .................................................. 37 10.1 Block Diagram Of Test Setup .......................................... 37 10.2 Limit ................................................................ 37 10.3 Test procedure ....................................................... 37 Report No.: BCTC2009001659-1E No.：BCTC/RF-EMC-005 Page 4 of 69 Edition：A.1 10.4 Test Result .......................................................... 38 11. MAXIMUM PEAK OUTPUT POWER .................................... 43 11.1 Block Diagram Of Test Setup .......................................... 43 11.2 Limit ................................................................ 43 11.3 Test procedure ....................................................... 43 11.4 Test Result .......................................................... 44 12. HOPPING CHANNEL SEPARATION ................................... 49 12.1 Block Diagram Of Test Setup .......................................... 49 12.2 Limit ................................................................ 49 12.3 Test procedure ....................................................... 49 12.4 Test Result .......................................................... 50 13. NUMBER OF HO…

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Report No：BCTC2009001659E 1. EUT TEST SETUP PHOTOGRAPHS Spurious emissions Te s t Report Tel: 400-788-9558 Web: https://www.bctc-lab.com BCTC/RF-EMC-0 07 Ver.：A.0 Page 1 of 2 Report No：BCTC2009001659E Conducted emissions ※※※※※ END OF REPORT ※※※※※ Te s t Report Tel: 400-788-9558 Web: https://www.bctc-lab.com BCTC/RF-EMC-0 07 Ver.：A.0 Page 2 of 2