P27-TPM541Cat.M1 module

TPM541 series Cat-M1/NB Module TPM541 series EVK USER GUIDE Revision 1.4 Oct. 2020 Specifications are subject to change without notice and should not be construed as a commitment by Sercomm Corporation Copyright 2017 by Sercomm Corporation  All rights reserved. TPM541 series Cat-M1/NB Module Frequency Bands  One SKU for all, Supported Bands are configurable (B2/3/4/5/8/12/13/20/25/26/28)  Only Bands 2/4/12 are enabled and available for this device; all other bands are disabled via software when sold/marketed to the USA Data  Data rate: Max throughput UL/DL (23dBm): UL: 375kbps/DL: 300kbps (peak)  Protocol stack: COAP*/IPV4/IPV6/MQTT*/HTTPS*/LWM2M PPP/UDP/TCP/TLS/DTLS  Firmware Download Method: UART, FOTA Electrical Specification  Maximum RF output power: 23 dBm (tolerance 20.3~25dBm) Power Consumption  PSM flow: [email protected]  eDRX (81.92s): [email protected]  I-DRX(1.28s): [email protected]  Transmission (23dBm): [email protected] Interfaces  3 x UART port (1 reserve for option)  1 x USIM port  1 x PCM*  18 x GPIO (maximum)*  1 x USB 2.0*  2 x ADC*  1 x I2C *Reserved for the SKU supporting embedded MCU. General Features  LTE eDRX and PSM supported  Low power consumption for longer battery life Key Benefits  Extremely Compact Form-Factor  Ultra Low Power Consumption  OpenCPU & Rich Interface Design for System on Module  Multiple Internet Service Protocols Supported  LTE-M and NB-IoT Dual Mode Supported  One for All Design Supporting Multibands  Embedded GNSS and Cellular Positioning Technology Temperature Range:  -40~+85°C Supply voltage Range:  3.1~4.3V Package:  LGA, 104 pads  Dimension: 13.4 x 14.6 x 1.85mm  Weight: 1.0g AT command:  3GPP Rel.13 LTE Cat-M1 compliant Applications  Utilities: Smart Metering, Smart City, Smart Grid  Tracking: Asset, People, Pet Trackers  Remote Monitoring: Traffic, Environmental, Agricultural TPM541 series www.sercomm.com 1 Cat-M1/NB Module Table of contents Data ................................................................................................................................................................................... 2 Electrical Specification ........................................................................................................................................................ 2 Power Consumption ........................................................................................................................................................... 2 Interfaces ........................................................................................................................................................................... 2 General Features ............................................................................................................................................................... 2 Temperature Range: .......................................................................................................................................................... 2 Supply voltage Range: ....................................................................................................................................................... 2 Package: ............................................................................................................................................................................ 2 AT command: ..................................................................................................................................................................... 2 Applications ........................................................................................................................................................................ 2 1. Introduction ............................................................................................................................................................................... 2 1.1. Document Purpose ......................................................................................................................................................... 2 1.2. Kit contents .................................................................................................................................................................... 2 2. EVK functions introduce ............................................................................................................................................................... 3 2.1. EVK Interfaces ................................................................................................................................................................ 3 3. Starting with TPM541 series EVK ................................................................................................................................................... 4 3.1. Hardware preparation and setup ...................................................................................................................................... 4 3.2. Software preparation and setup ....................................................................................................................................... 5 3.3. Starting to access EVK and TPM541 ................................................................................................................................... 5 4. Button/Jumper introduce ............................................................................................................................................................. 6 4.1. RECOVERY button : ......................................................................................................................................................... 6 4.2. RESET button : ................................................................................................................................................................ 6 4.3. WAKEUP Jumper : ....................................................…

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Date:2020-09-18 FCCID:P27-TPM541 Totheattentionof FederalCommunicationsCommission AuthorizationandEvaluationDivision PermanentConfidentialityRequest PursuanttoSections0.457and0.459oftheCommission’sRules,theApplicanthereby requestsconfidentialtreatmentofinformationaccompanyingthisApplicationasoutlined below:  Schematics  BlockDiagram  OperationalDescription  OperatingDescription-KDB996369Q&ADeclarationletter  OperatingDescription-AntennaSpec.  OperatingDescription-Gerberfile  Partlist  Tune-upProcedure Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarily releasedtothepublic.Thepublicdisclosureofthesemattersmightbeharmfultothe Applicantandprovideunjustifiedbenefitstoitscompetitors. TheApplicantunderstandsthatpursuanttoRule0.457,disclosureofthisApplicationand allaccompanyingdocumentationwillnotbemadebeforethedateoftheGrantforthis application. Sincerelyyours, -------------------------------------------- SercommCorporation NickWu/Engineer TEL:886-2-2655-3988*2556 FAX:886-2-2655-3965 E-mail:[email protected]

SercommCorporation中磊電子股份有限公司 TaipeiOffice:8F,No.3-1,YuanQuSt.,NanKang,Taipei115,Taiwan,R.O.C. TEL:886-2-2655-3988FAX:886-2-2655-3966 Date:2020-09-18 FCCID:P27-TPM541 AUTHORIZATIONLETTER Towhomitmayconcern: We,theundersigned,herebyauthorizeAndreaHsia/SupervisorofBureauVeritasConsumer ProductsServices(H.K.)Ltd.,TaoyuanBranch(BVCPSTaoyuan)ofTaiwantoactonourbehalfinall mannersrelatingtoFCCapplicationforequipmentauthorization,includingsigningofalldocuments relatingtothesematters.AnyandallactscarriedoutbyAndreaHsia/SupervisorofBVCPSTaoyuan onourbehalfshallhavethesameeffectasactsofourown. Ifyouhaveanyquestionsregardingtheauthorization,pleasedon’thesitatetocontactus. Sincerelyyours, -------------------------------------------- SercommCorporation NickWu/Engineer TEL:886-2-2655-3988*2556 FAX:886-2-2655-3965 E-mail:[email protected]

Date:Oct. 22, 2020 Dear Application Examiner, Sercomm Corporation, Cat.M1 Module, FCC ID: P27-TPM541 would like to have your authorization as a modular approval specific to the mobile RF exposure condition. The requirements of 47 CFR §15.212 and KDB 996369 D01 have been met and shown on the following statements. 1.“ThemodulartransmittermusthaveitsownRFshielding.”Theradioportionofthismodulehas beenshielded,pleaseseeexhibitionExternalPhoto. 2.“Themodulartransmittermusthavebufferedmodulation/datainputs.”TheEUThasbuffered datainputs,itisintegratedinchipAltairALT1250. 3.“Themodulartransmittermusthaveitsownpowersupplyregulation.”Thepartnumberofthis regulatorisAltairALT1250. 4.“Themodulartransmittermustcomplywiththeantennarequirementsofsection15.203and 15.204(C).”TheEUTmeetstheFCCantennarequirements.Thespuriousemission,unique antennaconnectorandphotoofantennasareshowninthetestreport. 5.“Themodulartransmittermustbetestedinastand-aloneconfiguration”TheEUTwastestedina stand-aloneconfigurationviaaUSBextender.PleaseseesectionPhotographsofTest Configurationinthetestreport,theEUTwaspluggedinthisextender. 6.“ThemodulartransmittermustbelabeledwithitsownFCCIDnumber.”Pleaseseeexhibition LabelSamplefortheFCCIDofthismodule.AndalsointheexhibitionUsersManual,thereare instructionsgivetotheOEMonhowtolabeltheendproduct. 7.“Themodulartransmittermustcomplywithanyspecificruleoroperatingrequirements applicabletothetransmitterandthemanufacturermustprovideadequateinstructionsalong withthemoduletoexplainanysuchrequirements.”TheEUTiscompliantwithallapplicableFCC rulesand.ThismoduleisonlyapprovedforusebySercomminitsownproductsandisnotfor saletothirdparties.DetailinstructionsformaintainingcompliancearegivenintheUsersManual. 8.“ThemodulartransmittermustcomplywithanyapplicableRFexposurerequirements.”TheEUT iscompliantwithallapplicableRFexposurerequirements.RFExposureisaddressedintheRF exposureexhibition. Pleasecontactmeifyouhaveanyfurtherquestions.Thanksforyourattention. BestRegards, ------------------------------------- Sercomm Corporation Nick Wu/ Engineer TEL: 886-2-2655-3988*2556 FAX: 886-2-2655-3965 E-mail: [email protected]

Reference No.: 200701D04 Page 1 / 6 CONSTRUCTION PHOTOS OF EUT Reference No.: 200701D04 Page 2 / 6 Module Reference No.: 200701D04 Page 3 / 6 Reference No.: 200701D04 Page 4 / 6 Reference No.: 200701D04 Page 5 / 6 Reference No.: 200701D04 Page 6 / 6

Label Location FCC ID: P27-TPM541 Front Label Location

Label FCC ID: P27-TPM541

Report No.: SA200701D04 Page No. 1 / 6 Report Format Version: 6.1.1 RF Exposure Report Report No.: SA200701D04 FCC ID: P27-TPM541 Test Model: TPM541M Series Model: TPM541, TPM541S, TPM541MS Received Date: Jul. 01, 2020 Date of Evaluation: Sep. 08, 2020 Issued Date: Sep. 15, 2020 Applicant: Sercomm Corp. Address: 8F, No. 3-1, YuanQu St., NanKang, Taipei 115, Taiwan, R.O.C. (NanKang Software Park) Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location: No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City 33383, TAIWAN FCC Registration / Designation Number: 788550 / TW0003 This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. Report No.: SA200701D04 Page No. 2 / 6 Report Format Version: 6.1.1 Table of Contents Release Control Record .................................................................................................................................. 3 1 Certificate of Conformity ...................................................................................................................... 4 2 RF Exposure .......................................................................................................................................... 5 2.1 Limits for Maximum Permissible Exposure (MPE) .............................................................................. 5 2.2 MPE Calculation Formula ................................................................................................................... 5 2.3 Classification ....................................................................................................................................... 5 2.4 Calculation Result of Maximum Conducted Power ............................................................................. 6 Report No.: SA200701D04 Page No. 3 / 6 Report Format Version: 6.1.1 Release Control Record Issue No. Description Date Issued SA200701D04 Original Release Sep. 15, 2020 Report No.: SA200701D04 Page No. 4 / 6 Report Format Version: 6.1.1 1 Certificate of Conformity Product: Cat.M1 module Brand: Sercomm Test Model: TPM541M Sample Status: Engineering Sample Applicant: Sercomm Corp. Date of Evaluation: Sep. 08, 2020 Standards: FCC Part 2 (Section 2.1091) References Test Guidance : KDB 447498 D01 General RF Exposure Guidance v06 IEEE C95.3 -2002 The above equipment has been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch, and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s RF characteristics under the conditions specified in this report. Prepared by : , Date: Sep. 15, 2020 Gina Liu / Specialist Approved by : , Date: Sep. 15, 2020 Dylan Chiou / Senior Project Engineer Report No.: SA200701D04 Page No. 5 / 6 Report Format Version: 6.1.1 2 RF Exposure 2.1 Limits for Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Average Time (minutes) Limits For General Population / Uncontrolled Exposure 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f 2 )* 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 2.2 MPE Calculation Formula Pd = (Pout*G) / (4*pi*r 2 ) where Pd = power density in mW/cm 2 Pout = output power to antenna in mW G = gain of antenna in linear scale pi = 3.1416 r = distance between observation point and center of the radiator in cm 2.3 Classification The antenna of this product, under normal use condition, is at least 20cm away from the body of the user. So, this device is classified as Mobile Device. Report No.: SA200701D04 Page No. 6 / 6 Report Format Version: 6.1.1 2.4 Calculation Result of Maximum Conducted Power Band Frequency Band (MHz) Max Power (dBm) Antenna Gain (dBi) Distance (cm) Power Density (mW/cm 2 ) Limit (mW/cm 2 ) LTE 2 1850-1910 25.37 1.7 20 0.101 1.00 LTE 4 1710-1755 24.67 1.7 20 0.086 1.00 LTE 12 699-716 24.04 1.2 20 0.066 0.47 Note: 1. Determining compliance based on the results of the compliance measurement, not taking into account measurement instrumentation uncertainty. 2. The above Antenna information is declared by manufacturer and for more detailed features description, please refer to the manufacturer's specifications, the laboratory shall not be held responsible --- END ---

Report No.: RF200701D04 Page No. 1 / 95 Report Format Version: 6.1.1 FCC Test Report (PART 24) Report No.: RF200701D04 FCC ID: P27-TPM541 Test Model: TPM541M Series Model: TPM541, TPM541S, TPM541MS (See section 3.1 for more detail) Received Date: Jul. 01, 2020 Test Date: Aug. 24 ~ Sep. 08, 2020 Issued Date: Sep. 15, 2020 Applicant: Sercomm Corp. Address: 8F, No. 3-1, YuanQu St., NanKang, Taipei 115, Taiwan, R.O.C. (NanKang Software Park) Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location: No.19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City 33383, Taiwan FCC Registration / Designation Number: 788550 / TW0003 This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. Report No.: RF200701D04 Page No. 2 / 95 Report Format Version: 6.1.1 Table of Contents Release Control Record .................................................................................................................................. 4 1 Certificate of Conformity ........................................................................................................................... 5 2 Summary of Test Results ........................................................................................................................... 6 2.1 Measurement Uncertainty ..................................................................................................................... 6 2.2 Test Site and Instruments ..................................................................................................................... 7 3 General Information ................................................................................................................................... 8 3.1 General Description of EUT .................................................................................................................. 8 3.2 Configuration of System under Test ...................................................................................................... 9 3.2.1 Description of Support Units ....................................................................................................... 9 3.3 Test Mode Applicability and Tested Channel Detail ............................................................................ 10 3.4 EUT Operating Conditions .................................................................................................................. 12 3.5 General Description of Applied Standards and references................................................................. 12 4 Test Types and Results ............................................................................................................................ 13 4.1 Output Power Measurement ............................................................................................................... 13 4.1.1 Limits of Output Power Measurement ...................................................................................... 13 4.1.2 Test Procedures ........................................................................................................................ 13 4.1.3 Test Setup ................................................................................................................................. 14 4.1.4 Test Results .............................................................................................................................. 15 4.2 Modulation Characteristics Measurement .......................................................................................... 32 4.2.1 Limits of Modulation Characteristics ......................................................................................... 32 4.2.2 Test Setup ................................................................................................................................. 32 4.2.3 Test Procedure ......................................................................................................................... 32 4.2.4 Test Results .............................................................................................................................. 32 4.3 Frequency Stability Measurement ...................................................................................................... 33 4.3.1 Limits of Frequency Stability Measurement ............................................................................. 33 4.3.2 Test Procedure ......................................................................................................................... 33 4.3.3 Test Setup ................................................................................…

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Report No.: RF200701D04-1 Page No. 1 / 149 Report Format Version: 6.1.1 FCC Test Report (PART 27) Report No.: RF200701D04-1 FCC ID: P27-TPM541 Test Model: TPM541M Series Model: TPM541, TPM541S, TPM541MS (See section 3.1 for more detail) Received Date: Jul. 01, 2020 Test Date: Aug. 24 ~ Sep. 08, 2020 Issued Date: Sep. 15, 2020 Applicant: Sercomm Corp. Address: 8F, No. 3-1, YuanQu St., NanKang, Taipei 115, Taiwan, R.O.C. (NanKang Software Park) Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch Lin Kou Laboratories Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan Test Location: No.19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City 33383, Taiwan FCC Registration / Designation Number: 788550 / TW0003 This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification. Report No.: RF200701D04-1 Page No. 2 / 149 Report Format Version: 6.1.1 Table of Contents Release Control Record .................................................................................................................................. 4 1 Certificate of Conformity ........................................................................................................................... 5 2 Summary of Test Results ........................................................................................................................... 6 2.1 Measurement Uncertainty ..................................................................................................................... 7 2.2 Test Site and Instruments ..................................................................................................................... 8 3 General Information ................................................................................................................................... 9 3.1 General Description of EUT .................................................................................................................. 9 3.2 Configuration of System under Test ..................................................................................................... 11 3.2.1 Description of Support Units ...................................................................................................... 11 3.3 Test Mode Applicability and Tested Channel Detail ............................................................................ 12 3.4 EUT Operating Conditions .................................................................................................................. 15 3.5 General Description of Applied Standards and references................................................................. 15 4 Test Types and Results ............................................................................................................................ 16 4.1 Output Power Measurement ............................................................................................................... 16 4.1.1 Limits of Output Power Measurement ...................................................................................... 16 4.1.2 Test Procedures ........................................................................................................................ 16 4.1.3 Test Setup ................................................................................................................................. 17 4.1.4 Test Results .............................................................................................................................. 18 4.2 Modulation Characteristics Measurement .......................................................................................... 43 4.2.1 Limits of Modulation Characteristics ......................................................................................... 43 4.2.2 Test Setup ................................................................................................................................. 43 4.2.3 Test Procedure ......................................................................................................................... 43 4.2.4 Test Results .............................................................................................................................. 44 4.3 Frequency Stability Measurement ...................................................................................................... 44 4.3.1 Limits of Frequency Stability Measurement ............................................................................. 44 4.3.2 T est Procedure ......................................................................................................................... 44 4.3.3 Test Setup .......................................................................…

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FCC ID: P27-TPM541 1 PHOTOGRAPHS OF THE TEST CONFIGURATION RADIATED EMISSION TEST BELOW 1GHz & EIRP POWER TEST (X-Plane) FCC ID: P27-TPM541 2 FCC ID: P27-TPM541 3 RADIATED EMISSION TEST BELOW 1GHz & ERP / EIRP POWER TEST (Z-Plane) FCC ID: P27-TPM541 4 FCC ID: P27-TPM541 5 RADIATED EMISSION TEST ABOVE 1GHz (X-Plane) FCC ID: P27-TPM541 6 FCC ID: P27-TPM541 7 RADIATED EMISSION TEST ABOVE 1GHz (Z-Plane) FCC ID: P27-TPM541 8