ZHZLTC2LoRaWAN IoT Sensor

Table of Contents 1. Introduction . ....................................................................................................................................................................... 6 1.1 What is LoRaWAN Temperature Transmitter ................................................................................................ 6 1.2 Features ........................................................................................................................................................................ 7 1.3 Applications ................................................................................................................................................................... 7 1.4 Hardware Change log ................................................................................................................................................... 7 1.5 Pin Definitions and Switch . ......................................................................................................................................... 7 1.5.1 Jumper JP2 ( Power ON) ..................................................................................................................................... 7 1.5.2 LED .......................................................................................................................................................................... 7 1.5.3 PT100 Interfaces .................................................................................................................................................... 7 1.5.4 Reset Button ........................................................................................................................................................... 7 1.6 Probe Variant . ............................................................................................................................................................ 7 2. How to use? ........................................................................................................................................................... 9 2.1 Connect to PT100 sensors ......................................................................................................................................... 9 2.2 How it works? ............................................................................................................................................................ 9 2.3 Quick guide to connect to LoRaWAN server (OTAA) . ............................................................................................ 9 2.4 Uplink Payload ............................................................................................................................................................ 15 2.5 Datalog Feature .. ....................................................................................................................................................... 16 2.5.1 Unix TimeStamp .................................................................................................................................................. 16 2.5.2 Set Device Time ................................................................................................................................................... 17 2.5.3 Poll sensor value . ................................................................................................................................................. 17 2.5.4 Datalog Uplink payload ....................................................................................................................................... 18 2.6 Alarm Mode .. ............................................................................................................................................................... 20 3. Configure via AT Command or LoRaWAN Downlink ...................................................................................... 20 3.1 Set Transmit Interval Time ....................................................................................................................................... 20 3.2 Enable PT100 channels .. .......................................................................................................................................... 21 3.3 Set External Sensor Mode ........................................................................................................................................ 21 3.4 Quit AT Command . .................................................................................................................................................... 22 3.5 Set system time .......................................................................................................................................................... 22 3.6 Set Time Sync Mode ................................................................................................................................................. 22 3.7 Set Time Sync Interval .. ............................................................................................................................................ 22 3.8 Retrieve data .............................................................................................................................................................. 23 3.9 Enable Alarm mode .. ................................................................................................................................................. 23 3.10 Alarm check time ..................................................................................................................................................... 23 3.11 Set Alarm Threshold ................................................................................................................................................ 24 3.12 Set Calibrate Value .. ..........................................................................................…

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Dragino Technology Co., Limited. Address: Room 202,BaoChengTai industrial park,No.8 CaiYun LongCheng Street,LongGang District,Shenzhen China Tel.: (+86) 0755-86610821 Fax: (+86) 0755-61673660 E-mail: [email protected] FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Attestation letter Dear Sir or Madam, We, Dragino Technology Co., Limited., declare that our product name: LoRaWAN IoT Sensor, (model name: LTC2-SI2, LTC2-SI,LTC2-LT, LTC2-FSA, LTC2-FT, LTC2-HT, LTC2-NA, FCC ID: ZHZLTC2), for marketing purpose, this product supports LoRa:903-914.2 MHz and Hybrid System:902.3-914.9MHz SRD functions. The Other functions and bands have been shielded by manufacturer though software and the end user can not have the capability to activate those functions. Sincerely, Signature: Name: edwin chen Title: Manager

Dragino Technology Co., Limited. Address: Room 202,BaoChengTai industrial park,No.8 CaiYun LongCheng Street,LongGang District,Shenzhen China Tel: 86-755-86610821; Fax: 86-755-61673660 Email: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2024-08-19 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: ZHZSN50V3-CNG Dragino Technology Co., Limited. certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Signature Contact Person: Edwin chen Title: Manager

Dragino Technology Co., Limited. Address: Room 202,BaoChengTai industrial park,No.8 CaiYunLongCheng Street,LongGang District,Shenzhen China Tel: 86-755-86610821; Fax: 86-755-61673660 Email: [email protected] CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: ZHZLTC2 Dragino Technology Co., Limited. certifies that as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Signature: Contact Person: edwin chen Title: Manager

U.S. AGENT LETTER OF ATTESTATION FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID: ZHZLTC2 Dragino Technology Co., Limited.certifies that, as of the date of the filing of the application, Choovio Inc is our designated U.S. agent for service of process for the above referenced FCC ID. Dragino Technology Co., Limited. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Choovio Inc accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: Choovio Inc Address: 9891 Irvine Center Dr, STE 190, Irvine CA 92618 United States FRN: 0034457044 Tel.: +1 (949) 506-5600 Email: [email protected] Signed by (printed name): Mr Farhad K Arvin Signature: Applicant: Dragino Technology Co., Limited. Address: Room 202,BaoChengTai industrial park,No.8 CaiYun LongCheng Street,LongGang District,Shenzhen China FRN: 0020806964 Tel: +86-755-86610821 Email: [email protected] Signed by (printed name): Edwin chen Signature:

Dragino Technology Co., Limited. Address: Room 202,BaoChengTai industrial park,No.8 CaiYun LongCheng Street,LongGang District,Shenzhen China Tel.: (+86) 0755-86610821 Fax: (+86) 0755-61673660 E-mail: [email protected] QA-FR-170-B FCC Authorization FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Dragino Technology Co., Limited. hereby authorize Bay Area Compliance Laboratories Corp .(Shenzhen) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp.(Shenzhen) on our behalf shall have the same effect as our own action. We, Dragino Technology Co., Limited. the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature Name: edwin chen Title: Manager

Dragino Technology Co., Limited. Address: Room 202,BaoChengTai industrial park,No.8 CaiYun LongCheng Street,LongGang District,Shenzhen China Tel.: (+86) 0755-86610821 Fax: (+86) 0755-61673660 E-mail: [email protected] FCC Confidential Authorization FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: ZHZLTC2 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Dragino Technology Co., Limited. hereby requests long-term confidential treatment of information accompanying this application as outlined below: Block Diagram Schematics Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature Name: edwin chen Title: Manager

Dragino Technology Co., Limited. Address: Room 202,BaoChengTai industrial park,No.8 CaiYun LongCheng Street,LongGang District,Shenzhen China Tel.: (+86) 0755-86610821 Fax: (+86) 0755-61673660 E-mail: [email protected] Product Similarity Declaration 2024-08-19 Dear Sir/Madam, We, Dragino Technology Co., Limited. hereby declare that we have a product named as (Product description: LoRaWAN IoT Sensor, model name: LTC2-SI2, FCC ID: ZHZLTC2) was tested by Bay Area Compliance Laboratories Corporation.(Shenzhen), Meanwhile, for our marketing purpose, we would like to list series model (LTC2-SI,LTC2-LT, LTC2-FSA,LTC2-FT, LTC2-HT, LTC2-NA) on reports and certificate. All the models are identical in electrically, The Only difference is the sensor probe, the differences are shown in the table below:. consequences. Please contact me if you have any question. Sincerely Yours, Signature: Name: edwin chen Title: Manager

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 1 of 10 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Model:LTC2-SI2 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 2 of 10 Antenna Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 3 of 10 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 4 of 10 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 5 of 10 Model: LTC2-FT Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 6 of 10 Model: LTC2-LT Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 7 of 10 Model: LTC2-SI Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 8 of 10 Model: LTC2-FSA Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 9 of 10 Model: LTC2-HT Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 10 of 10 Model: LTC2-NA

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 1 of 6 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 2 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 3 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 4 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 5 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: 2401V31126E-RF Page 6 of 6

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2401V31126E-RF-00B TR-EM-RF007 Page 12 of 36 Version 3.0 FCC §15.247 (i) & §1.1307 (b) (3) & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 15.247 (i) and subpart 2.1091 systems operating under the provisions of this section shall be operated in a manner that ensures the public is not exposed to RF energy level in excess of the communication guidelines. According to KDB 447498 D04 Interim General RF Exposure Guidance MPE-Based Exemption: General frequency and separation-distance dependent MPE-based effective radiated power(ERP) thresholds are in Table B.1 [Table 1 of § 1.1307(b)(3)(i)(C)] to support an exemption from further evaluation from 300 kHz through 100 GHz. Ris the minimum separation distance in meters f = frequency in MHz Result Mode Frequency (MHz) Tune up conducted power # (dBm) Antenna Gain # ERP Evaluation Distance (m) ERP Limit (W) (dBi)(dBd)(dBm)(W) Lora- H ybrid 902.3-914.9 5.00 1.19 -0.96 4.04 0.003 0.2 0.462 Lora- DTS 903-914.2 15.00 1.19 -0.96 14.04 0.025 0.2 0.462 Note: The tune up conducted power and antenna gain was declared by the applicant. Lora- Hybrid and Lora-DTS can’t transmit simultaneously. To maintain compliance with the FCC’s RF exposure guidelines, place the equipment at least 20cm from nearby persons. Result: Compliant.

915MHz Passive antenna report Client: XIN DI Project: Lsn50v2 Antenna modification: A0 Preparation Project: GuoXi (18970988655) Reviewer: Li Sheng(13683276589) Date: 2023.09.06 1. Product graphics 2. Test the system 3, antenna matching 4. Test results of antenna 4.1 S11 Parameters 4.2 Efficiency Gain 4.3 Two, three-dimensional graphics 5. Conclusion catalogue ： This report is to debug the performance of Lsn50v2, the antenna operating frequency of 915MHzTest the content; 1、Product graphics Front view Main antenna 2、Test system Serial numberTesting instrument S11Agilent 5071B OTAAgilent 5071B &CMW500 & Agilent 8960 & Gain and efficiencyAgilent 5071B & 3、Antenna matching PCB end matching circuit is unchanged Serial number capacitanc e inductance 1N/A N/A 2N/A N/A 3N/A N/A 4N/A N/A 4、The antenna test results 4.1 S11 Frequency915 VSWR1.06 4、Antenna test result 4.2 Efficiency gain Frequency (MHz) Efficiency (%) Peak GAIN (dBi) 915 63.381.19 4、Antenna test result 4.3 Two, three-dimensional graphics 915MHz

Note: The information marked # is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report must not be used by the customer to claim product certification, approval, or endorsement by NVLAP or any agency of the U.S. Government. This report may contain data that are not covered by the NVLAP accreditation and are marked with an asterisk “▼”. Bay Area Compliance Laboratories Corp. (Shenzhen) 5F(B-West) , 6F, 7F, the 3rd Phase of Wan Li Industrial Building D, Shihua Rd, FuTian Free Trade Zone, Shenzhen, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn TR-EM-RF007 Page 1 of 36 Version 3.0 TEST REPORT Applicant Name: Dragino Technology Co., Limited. Address: Room 202,BaoChengTai industrial park,No.8 CaiYun LongCheng Street,LongGang District,Shenzhen China Report Number: 2401V31126E-RF-00B FCC ID: ZHZLTC2 Test Standard (s) FCC PART 15.247 Sample Description Product Type: LoRaWAN IoT Sensor Model No.: LTC2-SI2 Multiple Model(s) No.: LTC2-SI, LTC2-LT, LTC2-FSA, LTC2-FT, LTC2-HT, LTC2-NA Trade Mark: DRAGINO Date Received: 2024/07/25 Issue Date: 2024/09/11 Test Result: Pass ▲ ▲ In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Ekko Wu Michelle Zeng RF Engineer RF Supervisor Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2401V31126E-RF-00B TR-EM-RF007 Page 2 of 36 Version 3.0 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ......................................................................................................................... 4 GENERAL INFORMATION ....................................................................................................................................... 5 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 5 OBJECTIVE ................................................................................................................................................................... 5 TEST METHODOLOGY .................................................................................................................................................. 5 MEASUREMENT UNCERTAINTY .................................................................................................................................... 6 SYSTEM TEST CONFIGURATION .......................................................................................................................... 7 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 7 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 7 EUT EXERCISE SOFTWARE .......................................................................................................................................... 7 DUTY CYCLE ................................................................................................................................................................ 8 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 8 EXTERNAL I/O CABLE .................................................................................................................................................. 8 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 9 SUMMARY OF TEST RESULTS ............................................................................................................................. 10 TEST EQUIPMENT LIST ......................................................................................................................................... 11 FCC §15.247 (I) & §1.1307 (B) (3) & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) ..................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 RESULT ...................................................................................................................................................................... 12 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 13 APPLICABLE STANDARD ............................................................................................................................................ 13 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 13 FCC §15.209, §15.205 & §15.247(D) - SPURIOUS EMISSIONS ............................................................................ 14 APPLICABLE STANDARD ............................................................................................................................................ 14 EUT SETUP ................................................................................................................................................................ 14 EMI TEST RECEIVER & SPECTRUM ANALYZER SETUP .............................................................................................. 15 TEST PR…

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Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2401V31126E-RF Page 1 of 2 EXHIBIT D - TEST SETUP PHOTOGRAPHS Radiated Emissions View (9 kHz- 30MHz) Radiated Emissions View (30 MHz- 1 GHz) Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2401V31126E-RF Page 2 of 2 Radiated Emissions View (Above 1 GHz)