2ACFF-UC3101RUSB-C HUB WITH WIRELESS DISPLAY(TRANSMITTER+RECEIVER)

Receiver (UC3101R) connection: 1. Make sure the display is switched to the corresponding HDMI/VGA mode before use 2. Insert the HDMI and VGA M/M cable into the display HDMI input port and connect one end to the product 3. Plug the charger or USB power supply through the usb-c interface 4. At this point, there will be a user interface display on the monitor, and the screen can be automatically cast after waiting for the transmitter to work Transmitter (UC3101T) connection: 1. Plug usb-c /M into the usb-c output port of the phone/tablet/laptop (the phone/computer should support video output) 2. Insert the usb drive into usb3.0a /F to connect the usb drive data 3. Insert SD/TF into the card holder to realize data connection 4. Make sure that the PIN PIN in the product does not sag or bend during use, so as not to affect the insertion 5. Please pay attention not to splash liquid into the connector, so as not to affect its performance 6. The product should be placed in a dry place, not in a wet environment a. Why is there no video output? 1. Pls check the connection is good. 2. Pls use standard HDMI or VGA cable. 3. The automatic screen casting link will take about 10 seconds, please wait patiently. 4. Mobile phone/computer supports video output 5. The default of the factory is that it is matched. If there is no problem with the above four points, Please re-pair and reuse b. Why is there no audio output from HDMI port? 1. Pls make sure that there is audio output function on the monitor. 2. Pls set the external monitor as default audio output device. C. How to use the products in pairs? 1. After the receiver is powered, press 5 seconds to enter the matching mode. At this point, the screen display switches to waiting for pairing... 2. After the emitter is inserted into the device for 20 seconds, long press 5 seconds to enter the matching mode 3. When the receiver and transmitter enter the matching mode at the same time, it will automatically match. The matching time is about 5-15 seconds 4. After the pairing is successful, the screen will automatically switch to the normal projection mode Transmitter: 1. USB 3.0 5Gb/s data transfer, downward compatible with USB2.0; power supply up to 4.5W Max. 2. SD/TF Card Reader Read: 50 - 104MB/s; Write: 30 - 40MB/s； affected by card’s quality. 3. WiFi supports wireless dual frequency Protocol standard 802.11a/b/g/n/ac Receiver: 1. HDMI 1920X1080P/60HZ, downward compatible with 1080P, 1080I, 720P. HDMI and VGA can work together. 2. USB-C USB charger or USB port power supply. 3. VGA: 1920X1080P/60HZ, downward compatible with 1080P, 1080I, 720P. 4. 3.5mm Audio Support max transmission distance 10 meters USB-C multi-function wireless display screen projector is composed of transmitter and receiver, which must be used together with the adapted receiver. The built-in conversion chip of the transmitter converts the DP signal in type-c into MIPI signal and I2S, and encodes the MIPI signal and I2S together into audio and video stream, which is then sent to the adaptive receiver via WiFi using a private protocol. Input devices include mobile phones, tablet computers and laptops that support usb-c interface for video output. Usb-c interface is small in size and supports forward and backward interpolation and data transmission. HDMI/VGA output terminal supports up to 1080P/60HZ video resolution. UC3101 USB-C Hub with Wirelss Display Transmitter + Receiver Audio USB-C VGA USB-A x 2 Mobile Notebook Tablet PC Monitor Projector 1 2 3 4 5 Receiver ： 1. Function key 2. USB-C （Power supply port） 3. 3.5mm Audio 4. VGA 5. 1 4 3 2 Transmitter ： 1. Power indicator light 2. USB3.0-A 3. SD&TF Card Reader 4. Function key Short press: change the screen state(screen/disconnect); Long press for 5 seconds: enter matching mode; Long press for 10 seconds: restore factory Settings. 5V2A Main chip Parameter Wi Working Frequency Operating System DDR Flash Memory Resolution Transmission Speed Protocol Standard Interface Power Supply 1080P 1 Mbps 802.11a/b/g/n/ac HDMI/VGA 5V/2A USB-C interface TX unit: RV1108 RX unit: RK3036 2.4G or 5G Linux 128MB 16MB Operation is limited to indoor use within the band 5150-5350 MHz 20C

FCC Software Configuration Control Declaration Rev1.0.docx C-SMARTLINK INFORMATION TECHNOLOGY CO., LIMITED FCC Software Configuration Control Declaration Date: Jul. 24, 2020 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Attn: OET Dept. Product: USB-C HUB WITH WIRELESS DISPLAY(TRANSMITTER+RECEIVER) Model No.: UC3101 Regarding FCC Country Code Selection guidelines identified in KDB 594280 D01 v02r01. “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. Date: Jul. 24, 2020 Name: jon Zhang Title: Engineer Signature of applicant

Co m Ad d Are Pr o Mo d DA- Pr o DIS We act We an d issu our Sig Na m Title Com mpany: C-S dress:Floo ea, Hengga oduct Name del Numbe -70890, WL oduct Desc SPLAY(TRA authorize M on our beha declare tha d certificatio ues concern behalf shal nature: me: e: mpany: C-SMART SMARTLIN or 2 & 3, N ang Town e: USB-C H er(s): UC310 LD15G ription: U S ANSMITTER MiCOM Lab alf on all ma at MiCOM L n of equipm ning the app ll have the s jon Zhang Engineer C-SMART TLINK INFO Agen K INFORM o. 43 Fact n, Longgan HUB WITH W 01, 1481-90 SB-C HUB W R+RECEIVE bs Inc., 575 atters conce Labs Inc. is ment to the r proval applic same effect TLINK INFO ORMATION T nt Auth MATION TEC tory Build ng District WIRELESS 00(USM31-W WITH WIRE ER) Boulder C o erning the c allowed to f regulatory a cation. Any t as acts of ORMATION TECHNOLO horizat CHNOLOG ing, Guan t, Shenzhe S DISPLAY( WHVC2AU ELESS ourt, Pleasa certification forward all i agencies as and all acts our own. TECHNOL OGY CO., L tion GY CO., LIM ngda Road en, China (TRANSMIT ST3-CB01B anton, Califo of above na information s required a s carried ou Date: OGY CO., LIMITED MITED d, 189 Indu TTER+REC B), UC3101 ornia 94566 amed equip related to t nd to discu ut by MiCOM Jul. 24, 202 LIMITED ustrial CEIVER) A, UC3101 6, USA, to pment. the approva ss any M Labs on 20 B, al

Office o Federa 7435 O Columb USA Subjec t FCC ID To Wh o Pursua are req u docume These d propriet might b It is ou r corresp docume authoriz Sincer e Signat u Name: j Title: E C - of Engineeri l Communic Oakland Mills bia, MD 210 t; Request f D: 2ACFF-U om It May C nt to the pro uesting the ents from pu documents tary informa be harmful to Schema Block D Parts Lis Operatio SOFTW r understand pondence du ents and thi zation is iss ely, ure: jon Zhang Engineer -SMARTLIN ing Techno cations Com s Road 046 for Confiden UC3101R Concern, ovisions of t Commissio ublic disclos contain det ation in ope o our comp atic Diagram iagram st onal Descri WARE SECU ding that all uring the ce s informatio sued. NK INFORM logy mmission ntiality the Commis on to withho sure indefin tailed syste ration of th e any and wo m ption URITY DES l measurem ertification re on will be av MATION TE ssion’s rule old the follow nitely. m and equi e equipmen ould give co SCRIPTION ment test rep eview proce vailable for ECHNOLOG s Title 47 S wing attach pment desc nt. The publ ompetitors a ports, FCC ess cannot public revi e GY CO., LIM Sections §0. hment(s) as criptions an ic disclosu r an unfair ad ID label for be granted ew once the MITED Date: Jul. 2 457 and §0 confidentia d are consi re of these d vantage in mat and as confide n e grant of eq 24, 2020 0.459, we al dered as documents the market . ntial quipment .

Model Difference Declaration To Whom It May Concern, We, C-SMARTLINK INFORMATION TECHNOLOGY CO., LIMITED(USB-C HUB WITH WIRELESS DISPLAY(TRANSMITTER+RECEIVER)) Trademark:N/A; Model Number: UC3101, 1481-900(USM31-WHVC2AUST3-CB01B), UC3101A, UC3101B, DA-70890, WLD15G;All model’s the function, software and electric circuit are the same, only with a product model named different for commercial purpose. Test sample model: UC3101. Please contact me if you have any question. Name: jon Zhang Date: Jul. 24, 2020 Title: Engineer Signature of applicant:

Annex A External Photos Report No.: HK2005211112‐1E/2E/3E Page 1 of 3 Report No.: HK2005211112‐1E/2E/3E Page 2 of 3 Report No.: HK2005211112‐1E/2E/3E Page 3 of 3

FCC ID LABEL: Ca. 5mm x 10mm Include in manual: 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 FCC ID: 2ACFF-UC3101R

Annex B Internal Photo Report No.:HK2005211112-1E/2E/3E Page 1 of 2 2.4G/5.2G/5.8G Antenna Report No.:HK2005211112-1E/2E/3E Page 2 of 2

MPE ESTIMATION FCC ID: 2ACFF-UC3101R 1,Limit for General Population/ Uncontrolled Exposures Frequency Power density (mW/ cm 2 ) Averaging time(minutes) 300MHz----1.5GHz F/1500 30 1.5GHz---100GHz 1.0 30 Note: F= Frequency in MHz 2, Estimation Result WIFI Mode Max PK Output power(dBm) Tune Up Power(dBm) Max Tune Up power(mW) Antenna Gain(dBi) Antenna Gain (numerical) MPE ( mW/cm²) 2.4G WIFI 13.1 13±1(14) 25.119 2 1.5849 0.00792 5.2G WIFI 15.47 15±1(16) 39.811 1 1.2589 0.00998 5.8G WIFI 12.54 12±1(13) 19.953 1 1.2589 0.00500 Note: Note: The estimation distance is 20cm Note: PK Output power= conducted power. Conducted power see the test report HK2005211112-1E/2E/3E, antenna gain=2dBi/1dBi simultaneously MPE 2.4G WIFI MPE (max) = 0.00792 (mW/cm²) 5G WIFI MPE (max) = 0.00998(mW/cm²) simultaneously MPE=0.00792+0.00998=0.01790(mW/cm²) when the minimum test separation distance is >20 cm, a distance of 20 cm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 0.01790 mW/cm² which is< 1.0mW/cm², RF Exposure testing is not required. -------The End-------

Report No.: HK2005211112-2E FCC TEST REPORT Test report On Behalf of C-SMARTLINK INFORMATION TECHNOLOGY CO., LIMITED For USB-C HUB WITH WIRELESS DISPLAY(TRANSMITTER+RECEIVER) Model No.: UC3101, 1481-900(USM31-WHVC2AUST3-CB01B), UC3101A, UC3101B, DA-70890, WLD15G FCC ID: 2ACFF-UC3101R Prepared for : C-SMARTLINK INFORMATION TECHNOLOGY CO., LIMITED Floor 2 & 3, No. 43 Factory Building, Guangda Road, 189 Industrial Area, Henggang Town, Longgang District, Shenzhen, China Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China Date of Test: Jul. 16, 2020 ~Jul. 23, 2020 Date of Report: Jul. 23, 2020 Report Number: HK2005211112-2E Report No.: HK2004170688-2E Page 2 of 63 TEST RESULT CERTIFICATION Applicant’s name .................. : C-SMARTLINK INFORMATION TECHNOLOGY CO., LIMITED Address .................................. : Floor 2 & 3, No. 43 Factory Building, Guangda Road, 189 Industrial Area, Henggang Town, Longgang District, Shenzhen, China Manufacture's Name ............. : C-SMARTLINK INFORMATION TECHNOLOGY CO., LIMITED Address .................................. : Floor 2 & 3, No. 43 Factory Building, Guangda Road, 189 Industrial Area, Henggang Town, Longgang District, Shenzhen, China Product description Trade Mark: N/A Product name ............................ : USB-C HUB WITH WIRELESS DISPLAY(TRANSMITTER+RECEIVER) Model and/or type reference . : UC3101, 1481-900(USM31-WHVC2AUST3-CB01B), UC3101A, UC3101B, DA-70890, WLD15G Standards .............................. : FCC Rules and Regulations Part 15 Subpart C Section 15.407 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Jul. 16, 2020 ~Jul. 23, 2020 Date of Issue ........................................... : Jul. 23, 2020 Test Result ............................................... : Pass Prepared by: Project Engineer Reviewed by: Project Supervisor Approved by: Technical Director Report No.: HK2004170688-2E Page 3 of 63 TABLE OF CONTENTS 1. Test Result Summary ............................................................................... 5 1.1. TEST PROCEDURES AND RESULTS ............................................................................................... 5 1.2. TEST FACILITY .................................................................................................................................. 5 1.3. MEASUREMENT UNCERTAINTY ............................................................................................................... 6 2. EUT Description ........................................................................................ 7 2.1. GENERAL DESCRIPTION OF EUT ................................................................................................... 7 2.2. OPERATION FREQUENCY EACH OF CHANNEL ........................................................................................... 8 2.3. OPERATION OF EUT DURING TESTING .................................................................................................... 8 2.4. DESCRIPTION OF TEST SETUP ....................................................................................................... 9 3. Genera Information ................................................................................. 10 3.1. TEST ENVIRONMENT AND MODE ............................................................................................................ 10 3.2. DESCRIPTION OF SUPPORT UNITS ........................................................................................................ 11 4. Test Results and Measurement Data .................................................... 12 4.1. CONDUCTED EMISSION ........................................................................................................................ 12 4.2. MAXIMUM CONDUCTED OUTPUT POWER .............................................................................................. 16 4.3. 6DB EMISSION BANDWIDTH ................................................................................................................. 19 4.4. 26DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH ............................................................................ 20 4.5. POWER SPECTRAL DENSITY ................................................................................................................ 27 4.6. BAND EDGE ......................................................................................................................................... 34 4.7. SPURIOUS EMISSION ........................................................................................................................... 49 4.8. FREQUENCY STABILITY MEASUREMENT ................................................................................................ 57 ANTENNA REQUIREMENT ...................................................................................................................... 60 4.9. PHOTOGRAPHS OF TEST SETUP ........................................................................................................... 61 4.10. PHOTOS OF THE EUT ..................................................................................................................... 63 Report No.: HK2004170688-2E Page 4 of 63 ** Modifited History ** Revison Description Issued Data Remark Revsion 1.0 Initial Test Report Release Jul. 23, 2020 Jason Zhou Report No.: HK2004170688-2E Page 5 of 63 1. Test Result S…

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Report No.: HK2005211112-3E FCC TEST REPORT Test report On Behalf of C-SMARTLINK INFORMATION TECHNOLOGY CO., LIMITED For USB-C HUB WITH WIRELESS DISPLAY(TRANSMITTER+RECEIVER) Model No.: UC3101, 1481-900(USM31-WHVC2AUST3-CB01B), UC3101A, UC3101B, DA-70890, WLD15G FCC ID: 2ACFF-UC3101R Prepared for : C-SMARTLINK INFORMATION TECHNOLOGY CO., LIMITED Floor 2 & 3, No. 43 Factory Building, Guangda Road, 189 Industrial Area, Henggang Town, Longgang District, Shenzhen, China Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China Date of Test: Jul. 16, 2020 ~Jul. 23, 2020 Date of Report: Jul. 23, 2020 Report Number: HK2005211112-3E Report No.: HK2005211112-3E Page 2 of 61 TEST RESULT CERTIFICATION Applicant’s name .................. : C-SMARTLINK INFORMATION TECHNOLOGY CO., LIMITED Address .................................. : Floor 2 & 3, No. 43 Factory Building, Guangda Road, 189 Industrial Area, Henggang Town, Longgang District, Shenzhen, China Manufacture's Name ............. : C-SMARTLINK INFORMATION TECHNOLOGY CO., LIMITED Address .................................. : Floor 2 & 3, No. 43 Factory Building, Guangda Road, 189 Industrial Area, Henggang Town, Longgang District, Shenzhen, China Product description Trade Mark: N/A Product name ............................ : USB-C HUB WITH WIRELESS DISPLAY(TRANSMITTER+RECEIVER) Model and/or type reference . : UC3101, 1481-900(USM31-WHVC2AUST3-CB01B), UC3101A, UC3101B, DA-70890, WLD15G Standards .............................. : FCC Rules and Regulations Part 15 Subpart C Section 15.407 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Jul. 16, 2020 ~Jul. 23, 2020 Date of Issue ........................................... : Jul. 23, 2020 Test Result ............................................... : Pass Testing Engineer : (Gary Qian) Technical Manager : (Eden Hu) Authorized Signatory : (Jason Zhou) Report No.: HK2005211112-3E Page 3 of 61 TABLE OF CONTENTS 1. Test Result Summary ............................................................................... 5 1.1. TEST PROCEDURES AND RESULTS ............................................................................................... 5 1.2. TEST FACILITY .................................................................................................................................. 5 1.3. MEASUREMENT UNCERTAINTY ............................................................................................................... 6 2. EUT Description ........................................................................................ 7 2.1. GENERAL DESCRIPTION OF EUT ................................................................................................... 7 2.2. OPERATION FREQUENCY EACH OF CHANNEL ........................................................................................... 8 2.3. OPERATION OF EUT DURING TESTING .................................................................................................... 8 2.4. DESCRIPTION OF TEST SETUP ....................................................................................................... 9 3. Genera Information ................................................................................. 10 3.1. TEST ENVIRONMENT AND MODE ............................................................................................................ 10 3.2. DESCRIPTION OF SUPPORT UNITS ........................................................................................................ 11 4. Test Results and Measurement Data .................................................... 12 4.1. CONDUCTED EMISSION ........................................................................................................................ 12 4.2. MAXIMUM CONDUCTED OUTPUT POWER .............................................................................................. 16 4.3. 6DB EMISSION BANDWIDTH ................................................................................................................. 18 4.4. 26DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH ............................................................................ 25 4.5. POWER SPECTRAL DENSITY ................................................................................................................ 26 4.6. BAND EDGE ......................................................................................................................................... 33 4.7. SPURIOUS EMISSION ........................................................................................................................... 48 4.8. FREQUENCY STABILITY MEASUREMENT ................................................................................................ 56 4.9. ANTENNA REQUIREMENT ............................................................................................................. 58 4.10. PHOTOGRAPHS OF TEST SETUP ........................................................................................................... 59 4.11. PHOTOS OF THE EUT ..................................................................................................................... 61 Report No.: HK2005211112-3E Page 4 of 61 ** Modifited History ** Revison Description Issued Data Remark Revsion 1.0 Initial Test Report Release Jul. 23, 2020 Jason Zhou Report No.: HK2005211112-3E Page 5 of 61 1. Test Result S…

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Conducted Emission Radiated Emissions