2A9BE-LL2380-IRF Module

LL2380-IProductManualV1.1 Specifications Model LL2380-I FirmwareType Custom Radiorange 127~1020MHz Support (G)FSK Radiooutput 433.2M@19±1dBm Receiving sensitivity -109dBm@FSK Dataspeed 0.5bps~300kbps SupportUART 2*UART Workingvoltage 1.8V~3.6V Dimensions 19mm*14mm*2.8mm 1.Overview(Hardware) LL2380-IisanSoCultra-lowpowerRFmodulecoveringradiorange127~1020MHz.The moduleintegratesRFtransceiverandperipheralcircuitandcommunicateswithexternal MCUviaUART.Itcanbewidelyusedonsmarthomedevices,homesecuritydevices,remote controlsystemsandwirelesssensors. 1.1Hardware 1.2.1.MechanicalDimensions Weldingpaddiameter:0.75mm Unit:mm 1.2.2.PinDefinitions PinInterfaceDescriptionType 1RF_OUTO 2GNDPOWER 3GPIO3RF_GPIOI/O 4NC 5P34I/O 6P36I/O 7TX0 UART0_(DEBUG) I/O 8RX0I/O 9T1 UART1(Pass-through) I/O 10R1I/O 11PB6 SWDIO(Forfirmware programming)I/O 12PB7 SWCLK(Forfirmware programming)I/O 13NC 14RESET HWreset I/PU 15VOUT_3.3POWER 16GNDPOWER 17P23I/O 18P14I/O 19GNDPOWER 20GNDPOWER 1.2.3.RFDesign ThismoduledoesnothavePCBantenna.Anexternalantennaisrequiredforactualuse. Asillustratedinabovepicture: 1.ThemoduleisdesignedwithaUFLantennaportforconnectingexternalUFL/SMAantenna.Forthis purpose,R2shouldbeconnectedwhileR1shouldbeNC. ForPCBantennadesigns,R1shouldbeconnectedwhileR2shouldbeNC.ThePCBantennashouldbe conductedoutviaRF_OUTandpropercircuitisrequiredformatchingtheantennadesign. 2.2 List of applicable FCC rules FCC Part 15.231 2.6 RF exposure considerations This module certified that complies with RF exposure requirement under 5mm RF distance. 2.7 Antennas This product has an external Antenna. The antenna types listed below, with the maximum permissible gain indicated. Antenna types not included in this list that have a gain greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device. No. Antenna Type Gain Impedance 1 Ceramic Chip Antenna 0.79dBi 50ohm 2.8 Label and compliance information FCC ID label on the final system must be labeled with “Contains FCC ID: 2A9BE-LL2380-I” or “Contains transmitter module FCC ID: 2A9BE-LL2380-I”. 2.9 Information on test modes and additional testing requirements Contact Hangzhou LinknLink Technology Co., Ltd. will provide stand-alone modular transmitter test mode. Additional testing and certification may be necessary when multiple modules are used in a host. 2.10 Additional testing, Part 15 Subpart B disclaimer To ensure compliance with all non-transmitter functions the host manufacturer is responsible for ensuring compliance with the module(s) installed and fully operational. For example, if a host was previously authorized as an unintentional radiator under the Supplier’s Declaration of Conformity procedure without a transmitter certified module and a module is added, the host manufacturer is responsible for ensuring that the after the module is installed and operational the host continues to be compliant with the Part 15B unintentional radiator requirements. Since this may depend on the details of how the module is integrated with the host, Hangzhou LinknLink Technology Co., Ltd. shall provide guidance to the host manufacturer for compliance with the Part 15B requirements. FCC Warning 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 1: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End users must follow the specific operating instructions for satisfying RF exposure compliance. Note 1: This module certified that complies with RF exposure requirement under 5mm RF distance. Note 2: Any modifications made to the module will void the Grant of Certification, this module is limited to OEM installation only and must not be sold to end-users, end-user has no manual instructions to remove or install the device, only software or operating procedure shall be placed in the end-user operating manual of final products. Note 3: Additional testing and certification may be necessary when multiple modules are used. Note 4: The module may be operated only with the antenna with which it is authorized. Any antenna that is of the same type and of equal or less directional gain as an antenna that is authorized with the intentional radiator may be marketed with, and used with, that intentional radiator.

HangzhouLinknLinkTechnologyCo.,Ltd. Room2502,BuildingA,57Jiang'erRoad,Binjiang,Hangzhou,Zhejiang,China Date:2023-08-03 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing SUBJECT:FCCApplicationforFCCID:2A9BE-LL2380-I ToWhomItMayConcern: HangzhouLinknLinkTechnologyCo.,Ltd.certifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesoraffiliates)as anentityproducing“covered”equipment. Sincerely, Signatory [YujingChen,Manager]

HangzhouLinknLinkTechnologyCo.,Ltd. Room2502,BuildingA,57Jiang'erRoad,Binjiang,Hangzhou,Zhejiang,China Date:2023-08-03 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA FCCID:2A9BE-LL2380-I ApplicantFRN:0033075391 USAgent–AttestationStatement/Part2.911(d)(7) HangzhouLinknLinkTechnologyCo.,Ltd.certifiesthat,asof2023-08-03,wehavedesignated FCCUSAgent,LLCtoacceptserviceofprocessonourbehalfforFCCID:2A9BE-LL2380-I. HangzhouLinknLinkTechnologyCo.,Ltd.,acceptstomaintainanagentofserviceofprocess intheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingthe equipment,whicheverislater. FCCUSAgent,LLC,acceptsasofthedateofthefilingofthisapplication,theobligationof beingthedesignatedagentforthepurposeofacceptingserviceofprocessonbehalfof HangzhouLinknLinkTechnologyCo.,Ltd.forFCCID:2A9BE-LL2380-I. DesignatedAgentInformation: CompanyName:FCCUSAgent,LLC U.S.AgentFRN:0033402884 Address:3722IllinoisAvenue,SaintCharles,IL,60174,USA ContactPerson:TimPayne Phone:708-571-3148 Email:[email protected] Sincerely, Company:HangzhouLinknLinkTechnology Co.,Ltd. DesignatedAgent:FCCUSAgent,LLC HangzhouLinknLinkTechnologyCo.,Ltd. Room2502,BuildingA,57Jiang'erRoad,Binjiang,Hangzhou,Zhejiang,China CompanyRepresentative:YujingChenDesignatedAgentRepresentative:TimPayne Signature:Signature:

Reference No.: WTX23X06135029W001 Page 2 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 2 - EUT EXTERNAL PHOTOGRAPHS EUT View 1 EUT View 2

Reference No.: WTX23X06135029W001 Page 1 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format FCC ID: 2A9BE-LL2380-I Specifications: The label shall be securely affixed to a permanently attached part of the device, in a location where it is visible or easily accessible to the user, and shall not be readily detachable. The label shall be sufficiently durable to remain fully legible and intact on the device in all normal conditions of use throughout the device’s expected lifetime. Proposed Label Location on EUT FCC ID Label Location

Reference No.: WTX23X06135029W001 Page 3 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 3 - EUT INTERNAL PHOTOGRAPHS Solder Board-Component View 1 Antenna View

1. RF Exposure Requirements 1.1 General Information Client Information Applicant: Hangzhou LinknLink Technology Co.,Ltd. Address of applicant: Room 2502, Building A, 57 Jiang'er Road, Binjiang, Hangzhou, 310052, P.R.China Manufacturer: Hangzhou LinknLink Technology Co.,Ltd. Address of manufacturer: Room 2502, Building A, 57 Jiang'er Road, Binjiang, Hangzhou, 310052, P.R.China General Description of EUT: Product Name: RF Module Trade Name: / Model No.: LL2380-I Adding Model(s): / Rated Voltage: DC 3.3V Power Adaptor : / Software Version: V73 Hardware Version: V1.0 FCC ID: 2A9BE-LL2380-I Equipment Type: Mobile device Technical Characteristics of EUT: Frequency Range: 433.2MHz Max. Field Strength: 433.2MHz: 82.23dBuV/m(3m) Data Rate: / Modulation: FSK Antenna Type: Ceramic Chip Antenna Antenna Gain: 0.79dBi 1.2 RF Exposure Exemption According to §1.1307(b)(3) and KDB 447498 D04 Interim General RF Exposure Guidance v01, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. Option A: FCC Rule Part 1.1307 (b)(3)(i)(A):The available maximum time-averaged power is no more than 1mW, regardless of separation distance. Option B: FCC Rule Part 1.1307 (b)(3)(i)(B): The available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold P th (mW) described in the following formula. P th is given by: Option C: FCC Rule Part 1.1307 (b)(3)(i)(C): The minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. R must be at least λ/2π, where λ is the free-space operating wavelength in meters. Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R 2 1.34-30 3,450 R 2 /f 2 30-300 3.83 R 2 300-1,500 0.0128 R 2 f 1,500-100,000 19.2R 2 For Multiple RF sources: FCC Rule Part 1.1307(b)(3)(ii): (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). (B) In the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation. 1.3 Calculated Result Radio Access Technology Prediction Frequency Max. Field Strength Antenna Gain Output Power Tune-Up Power ERP (MHz) (dBuV/m) (dBi) (dBm) (dBm) (dBm) SRD 433.2 82.23 0.79 -13.82 -13.00 -15.18 Frequency Option Min. Distance Max. Power Exposure Limit Ratio Result (MHz) (cm) (dBm) (mW) (mW) Pass/Fail 433.2 B 0.5 -13.00 0.05 23.22 0.01 Pass Note: 1. EIRP= E-104.8+20logD; Output Power=EIRP- Antenna Gain; ERP=EIRP-2.15dB 2. Option A, B and C refers as clause 1.2. 3. For option B, Max (time-averaged power, effective radiated power (ERP)) converts to Max. Power. For option C, ERP converts to Max. Power; 4. For option B, P th (mW) converts to Exposure Limit (mW); For option C, ERP (W) converts to Exposure Limit (mW). 5. Ratio= Tune-Up ERP (mW)/ Exposure Limit (mW) Mode for Simultaneous Multi-band Transmission: Radio Access Technology Ratio 1 Ratio 2 Ratio 3 Simultaneous Ratio Limit Result Pass/Fail / / / / / / / Result: Pass

DATA SHEET WIRELESS COMPONENTS FR4 Chip Antenna ANT1204F002R0433A 433MHZ 1204 Serie s Product Specification – August 20, 2013 V.0 www.yageo.com Aug. 20, 2013 V0 WIRELESS COMPONENTS 2 2 Product specification Ceramic Chip Antenna FEATURES  Compact size  Omni-directional Radiation  Tape & reel automaic mounting  Reflow process compatible  RoHS compliant APPLICATIONS  Smart meter  Industrial remote control  ISM band equipment ORDERING INFORMATION All part numbers are identified by the series, packing type, material, size, antenna type, working frequency and packing quantity. PART NUMBER ANT 1204 F 002 R 0433A (1) (2) (3) (4) (5) (6) ( 1 ) PRODUCT ANT = Antenna ( 2 ) SIZE 1204=12× 4 ( 3 ) ANTENNA TYPE L, F, A=Chip antenna ( 4 ) SERIAL NO. 002 ( 5 ) PACKING STYLE R = Tape and Reel ( 6 ) WORKING FREQUENCY 0433=433 MHz PHYCOMP CTC CAN4311059020431K 12NC 431105902043 www.yageo.com Aug. 20, 2013 V0 WIRELESS COMPONENTS 3 3 Product specification Ceramic Chip Antenna SPECIFICATION DESCRIPTION VALUE Centre Frequency 433 M Hz Bandwidth 28M Hz ( Typ. ) Return Loss 6.5 dB min Polarization Linear Azimuth Beamwidth Omni-directional Peak Gain 0.79 dBi ( Typ. ) Impedance 50 Ω Operating Temperature - 40~105 °C Maximum Power 1 W Termination Ni / Sn (Environmentally-Friendly Leadless) Resistance to Soldering Heats 260°C , 10sec. NOTE 1. The specification is defined on Yageo evaluation board Ta b l e 1 O O U U T T L L I I N N E E S S Fig. 1 Antenna outlines DIMENSIONS DIMENSION L (mm) 12.30 ±0.20 W (mm) 4.00 ±0.20 T (mm) 1.60 ±0.20 A (mm) 0.50 ±0.20 Table 2 Machinical Dimension TERMINAL NAME FUNCTION S1 Feeding Point S2 Soldering Point Table 3 Termination configuration www.yageo.com Aug. 20, 2013 V0 WIRELESS COMPONENTS 4 4 Product specification Ceramic Chip Antenna YNH00129 Bottom Layer / GND Top Layer Unit : mm 4.5 13.0 1.3 Matching Circuit 1.5 Unit : mm 60 15 40 Fig. 3 Outlook and dimension of evaluation board REFERENCE DESIGN OF EVALUATION BOARD Fig. 4 Details of soldering Pad www.yageo.com Aug. 20, 2013 V0 WIRELESS COMPONENTS 5 5 Product specification Ceramic Chip Antenna YNH00130 200 250700 f (MHz) Return Loss (dB) −50 −30 −10 10 30 50 300 350450550400500600 650 2 3 1 Fig. 5 Return loss Gain (dBi) 0.83 − -0.96 − − 2.76 − − 4.56 − − 6.36 − − 8.16 − − 9.96 − − 11.75 − − 13.55 − Y X Z Z axle X axleY axle YNH00131 Fig. 6 Radiation pattern Frequency= 433 MHz Max gain = 0.79 dBi, at (150,330) MEG (mean effective gain)= -4.84 dBi Directivity (dB) = 6.35 Efficiency = -5.56dB, 27.79 % ELECTRICAL PERFORMANCES Evaluation board and XYZ direction Marker data 1. 419MHz, -6.5dB 2. 433MHz, -16dB 3. 447MHz, -6.5dB www.yageo.com Aug. 20, 2013 V0 WIRELESS COMPONENTS 6 6 Product specification Ceramic Chip Antenna REVISION HISTORY REVISION DATE CHANGE NOTIFICATION DESCRIPTION Version 0 Aug. 20, 2013 - - New data sheet for SMD type antenna, 433MHz application, 1204 series

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 27 TEST REPORT Reference No. .................... : WTX23X06135029W001 FCC ID ................................ : 2A9BE-LL2380-I Applicant ........................... : Hangzhou LinknLink Technology Co.,Ltd. Address.............................. : Room 2502, Building A, 57 Jiang'er Road, Binjiang, Hangzhou, 310052, P.R.China Manufacturer ..................... : The same as Applicant Address.............................. : The same as Applicant Product Name ................... : RF Module Model No... ......................... : LL2380-I Standards .......................... : FCC Part 15.231 Date of Receipt sample .... : 2023-06-21 Date of Test........................ : 2023-06-21 to 2023-07-27 Date of Issue ..................... : 2023-07-27 Test Report Form No. ....... : WTX_Part 15_231W Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Gala Wang Silin Chen Reference No.: WTX23X06135029W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 27 TABLE OF CONTENTS 1. GENERAL INFORMATION ....................................................................................................................................4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) .........................................................................4 1.2 TEST STANDARDS .................................................................................................................................................5 1.3 TEST METHODOLOGY ...........................................................................................................................................5 1.4 TEST FACILITY ......................................................................................................................................................5 1.5 EUT SETUP AND TEST MODE ..............................................................................................................................6 1.6 MEASUREMENT UNCERTAINTY .............................................................................................................................7 1.7 TEST EQUIPMENT LIST AND DETAILS ...................................................................................................................8 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 11 3. ANTENNA REQUIREMENT ................................................................................................................................. 12 3.1 STANDARD APPLICABLE ..................................................................................................................................... 12 3.2 TEST RESULT ...................................................................................................................................................... 12 4. RADIATED EMISSIONS ....................................................................................................................................... 13 4.1 STANDARD APPLICABLE ..................................................................................................................................... 13 4.2 TEST PROCEDURE .............................................................................................................................................. 14 4.3 CORRECTED AMPLITUDE & MARGIN CALCULATION ........................................................................................... 15 4.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 15 5. 20DB BANDWIDTH ............................................................................................................................................... 20 5.1 STANDARD APPLICABLE ..................................................................................................................................... 20 5.1 TEST PROCEDURE .............................................................................................................................................. 20 5.2 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 20 6. TRANSMISSION TIME .......................................................................................................................................... 22 6.1 STANDARD APPLICABLE ..................................................................................................................................... 22 6.2 TEST PROCEDURE .............................................................................................................................................. 22 6.3 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 22 7. DUTY CYCLE ......................................................................................................................................................... 24 7.1 STANDARD APPLICABLE ..................................................................................................................................... 24 7.2 TEST PROCEDURE .........................................................…

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Reference No.: WTX23X06135029W001 Page 4 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 4 - TEST SETUP PHOTOGRAPHS Radiation Emission Test Setup (Below 30MHz) Radiation Emission Test Setup (30MHz to 1GHz) Reference No.: WTX23X06135029W001 Page 5 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (1GHz to 18GHz) Reference No.: WTX23X06135029W001 Page 6 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ***** END OF REPORT *****