S8U-T-235MAsset GPS Tracker

T-235M User Manual T-235M User Manual May, 2020 T-235M User Manual 2 Regulatory Compliance FCC Regulations 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. This device has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the user‘s authority to operate the equipment. RF Exposure Information This device complies with FCC radiation exposure limits set forth for an uncontrolled environment. In order to avoid the possibility of exceeding the FCC radio frequency exposure limits, human proximity to the antenna shall not be less than 20cm (8 inches) during normal operation. T-235M User Manual 3 1、Introduction 1、Description T-235M is a long standby asset tracker with built in rechargeable 10000mAH battery and 4G connectivity. It comes with cost effective solutions for wide range of applications such as fleet management, container and trailer tracking, valuable asset tracking, auto finance and car rental etc. Packing List Parts Name quantity Remark T-235M Terminal 1 ● USB data cable 1 ● Power Cable 1 ● 2、Technical Specification 1.Profile B2/B4/B12/B13/B25/B26 T-235M User Manual 4 2.Technical Specification Mechanical Size 108mm (L) x 65mm (W) x 35mm (H) Weight 200g Interface M16-12 male connector 3 digital inputs 2 analog inputs 3 digital outputs 1 RS-485 interface with voltage output Magnetic 4 pin port Charging and configuration Data transmission LTE and SMS Positioning method GNSS/A-GNSS/LBS Storage 8MB FLASH Power Working Voltage 9-36VDC Working Current Average: <100mA Sleep mode: <10mA Backup battery Rechargeable lithium battery, 10000mAH/3.7V GNSS System: GPS/BDS/GLONASS/Galileo Channels: 66 Sensitivity: -165dBm Accuracy: 2.5m CEP Time to first fix: Cold start: <35s Hot start: <1s Cellular T-235M (LTE Cat M1/Cat NB2, Global) LTE Cat M1: GSM/GPRS: 850/1900MHz B2/B4/B5/B12/B13/B71 T-235M User Manual 5 LTE Cat NB2: BluetoothBLE 5.3, universal BLE sensor support Light sensorRemoval detection 3-axis AccelerometerMotion detection, driving behavior detection LED IndicationGNSS/Cellular/Battery indication Antenna CellularInternal GNSSInternal BluetoothInternal Optional accessories Relay Ultrasound fuel sensor BLE tag BLE temperature sensor BLE relay Environment Working Temperature -30°C ~ +70°C Storage Temperature -40°C ~ +85°C Humidity5%～95%（no fog） 3、Device Configuration 3.1、Driver Installation After downloading the driver, select the appropriate installation program according to your computer's operating system to install the driver. 3.2、PCToolConfiguration Download PC Tool from https://www.sinocastel.com/supportand installthem. Connect the terminal and computer via the USB setting cable. Open the OBD PC Tool and click "Help->User Manual" to set relevant parameters according to the user manual. 4、SMS Instructions SMS command is mainly for remote maintenance. The message content is text format. Default secret key is the last 6 digits of the device ID. The key can only be changed through PC Tool, SMS format is defined as follows. No. Description SMS Command Format T-235M User Manual 6 1 Set Server network Parameters (IP model) Send:*SecretKey#set gprs#APN,User,Password,IP,Port* e.g.: *123456#set gprs#cmnet,,,172.18.2.106,8008* secret key=123456, IP address= 172.18.2.106, port=8008, APN=cmnet, username and password are empty. Response:*set gprs#ok* :success *set gprs#fail* : failed 2 Get Server network Parameters (IP model) Send:*SecretKey#get gprs#* Response:*get gprs#APN,User,Password, IP,Port* E.g.: *123456#get gprs#* 3 Set Server network Parameters (Domain model) Send:*SecretKey#set domain#APN,User,Password,IP,Port* Response:*set domain#ok* or *set domain#fail* E.g.:*123456#set domain#cmnet,,,OBD.livetelematics.com,11088* *set domain#ok* or *set domain#fail* 4 Get Server network Parameters (Domain model) Send: *SecretKey#get domain#* Response: *get domain#APN,User, Password,domain,Port* E.g.: *123456#get domain#* 5 Get Current Location Send: *SecretKey#position#* Response:*position#http://maps.google.com /?q=latitude,longitude* E.g.: *123456#position# *123456#position#*http://maps.google.com/?q=2 2.536934,114.021425* 6 FTP remote upgrade Send SMS command: *SecretKey #upgrade#username,password,url* The correct format terminal response: *upgrade#ready/fail* End of the upgrade terminal response: *upgrade#done/fail* For example: *123456#upgrade#admin,123456,ftp://58.58.58.58/IDD- 213L/IDD-213L_V1.0.0.tb* 7 Restart Send SMS command: *SecretKey#restart#* Correctly formatted terminal response: *restart#ready* The terminal responds when it is in the upgrade downloading state: *restart#fail* Response after restart: *restart#ok* Example: *123456#restart#* 8 Remote recovering engine cut Send the S…

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Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-EXP Page 1 / 5 EUT EXTERNAL PHOTOS Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-EXP Page 2 / 5 Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-EXP Page 3 / 5 Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-EXP Page 4 / 5 Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-EXP Page 5 / 5 *****END *****

235M2025000001 Model:T-235M FCC ID: S8U-T-235M Contain FCC ID:2AJYU-8VC0001 Input: 9-36VDC 100mA Internal Rechargeable Battery: 10000mAH/3.7V S/N:

Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-INP Page 1 / 9 EUT INTERNAL PHOTOS Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-INP Page 2 / 9 Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-INP Page 3 / 9 Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-INP Page 4 / 9 Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-INP Page 5 / 9 Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-INP Page 6 / 9 Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-INP Page 7 / 9 Bluetooth Antenna Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-INP Page 8 / 9 GPS Antenna Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-INP Page 9 / 9 WWAN Antenna *****END *****

MAXIMUM PERMISSIBLE EXPOSURE EVALUATION REPORT Applicant: Sinocastel Co., Ltd. Address: 501,Building 11, Shenzhen Software Park(Phase 2), NO.1, Kejizhong 2 Road, Gaoxin Middle District, Nanshan District, Shenzhen, China P r o d u c t N a m e : Asset GPS Tracker F C C I D : S8U-T-235M Standard(s): 47 CFR §1.1310, 47 CFR §2.1091, 47 CFR §15.247(i) Report Number: 2502T59407E-RF-00C Report Date: 2025/7/22 The above device has been tested and found compliant with the requirement of the relative standards by Bay Area Compliance Laboratories Corp. (Dongguan). Reviewed By: Alice Tan Approved By: Pedro Yun Title: RF Engineer Title: RF Supervisor Bay Area Compliance Laboratories Corp. (Dongguan) No.12, Pulong East 1 st Road, Tangxia Town, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn 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. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. 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 may contain data that are not covered by the accreditation scope and shall be marked with ★.This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the U.S. Government. Each test item follows the test standard(s) without deviation. Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: 2502T59407E-RF-00C Report Template Version: FCC §2.1091-V1.0 Page 2 of 7 CONTENTS DOCUMENT REVISION HISTORY .......................................................................................... 3 1. GENERAL INFORMATION .................................................................................................... 4 1.1 GENERAL DESCRIPTION OF EQUIPMENT UNDER TEST ..................................................................... 4 2.RF EXPOSURE EVALUATION (MPE) ................................................................................... 5 2.1. RF EXPOSURE EVALUATION .............................................................................................................. 5 2.1.1 Applicable Standard ....................................................................................................................................... 5 2.1.2 Calculation formula ....................................................................................................................................... 5 2.1.3 Calculated Data: ............................................................................................................................................. 6 EXHIBIT A - EUT PHOTOGRAPHS .......................................................................................... 7 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: 2502T59407E-RF-00C Report Template Version: FCC §2.1091-V1.0 Page 3 of 7 DOCUMENT REVISION HISTORY Revision Number Report Number Description of Revision Date of Revision 1.0 2502T59407E-RF-00C Original Report 2025/7/22 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: 2502T59407E-RF-00C Report Template Version: FCC §2.1091-V1.0 Page 4 of 7 1. GENERAL INFORMATION 1.1 General Description Of Equipment under Test EUT Name: Asset GPS Tracker EUT Model: T-235M Rated Input Voltage: 9-36Vdc EUT Received Date: 2025/5/16 EUT Received Status: Good Output Power And Antenna Gain Information: Operation Modes Frequency (MHz) Antenna Gain ▲ (dBi) Conducted output power including Tune-up Tolerance ▲ (dBm) EIRP/ERP (dBm) Limit (dBm) GSM 850 824.2-848.8 -1.0030.3527.2 38.45 GSM 1900 1850.2-1909.8 -0.1431.0030.86 33.0 CAT-M LTE B2 1850.7-1909.3 -0.1424.0023.86 33.0 CAT-M LTE B4 1710.7-1754.3 1.5424.0025.54 30.0 CAT-M LTE B12 699.7-715.3 -3.9925.0018.86 44.77 CAT-M LTE B13 779.5-784.5 -1.4524.0020.4 44.77 CAT-M LTE B25 1850.7-1914.3 -0.1424.0023.86 33.0 CAT-M LTE B26 814.7-823.3 -1.0025.0021.85 50.0 CAT-M LTE B26 824.7-848.3 -1.0025.0021.85 38.45 NB-IOT LTE B2 1850.7-1909.3 -0.1422.0021.86 33.0 NB-IOT LTE B4 1710.7-1754.3 1.5422.0023.54 30.0 NB-IOT LTE B5 824.7-848.3 -1.0024.0020.85 38.45 NB-IOT LTE B12 699.7-715.3 -3.9923.0016.86 44.77 NB-IOT LTE B13 779.5-784.5 -1.4522.0018.4 44.77 NB-IOT LTE B71 663.7-697.3 -7.0324.0014.82 34.77 Note: ERP is for operation below 1 GHz and EIRP for above 1 GHz. Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: 2502T59407E-RF-00C Report Template Version: FCC §2.1091-V1.0 Page 5 of 7 2.RF EXPOSURE EVALUATION (MPE) 2.1. RF Exposure Evaluation 2.1.1 Applicable Standard According to subpart 15.247(i) and subpart §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 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; According to §1.1310 and §2.1091 RF exposure is calculated. 2.1.2 Calculation formula Prediction of power density at the distance of the applicable MPE limit S = PG/4R² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain;…

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Report number：SZ240423YF02 Test Report Sample name :Bluetooth ceramic built-in antenna (T-235 asset location terminal) Model : Bluetooth ceramic built-in antenna/L8*W1*T1/99055 Test standard : GB/T 9410-2008 Release date: April 23, 2024 Version：A0 Company: Shenzhen Zhengda Xinwei Communication Equipment Co., Ltd. Address: No. 486, Zanbei Road, Longcheng Sub-district, Longgang District, Shenzhen Telephone：0755-2883-9286 Fax ：0755-8990-9291 Prepared By Reviewed By Approved By Mark Li Qiannan Liu Yujia Change log Version Date Reason for change ShenzhenZhengdaxinwei Communication Equipment Co.,Ltd 1.Purpose of the test: According to customer project requirements, provide a test report that meets customer requirements, or can provide the best state antenna, for the product's electrical performance technical and test standards of Bluetooth ceramic built-in antenna, size L8*W1*T1 antenna. 2.Sample information： Sample name： Bluetooth ceramic built-in antenna Model：Bluetooth ceramic built-in antenna/L8*W1*T1/99055 Material Code： 99055-/ 3.References Test the main reference documnt： Serial numberDocument nameDocument title 1 GB/T 9410-2008 General technical specification for mobile communication antenna ShenzhenZhengdaxinwei Communication Equipment Co.,Ltd 4.Test the OTA passive parameters of the built-in antenna Bluetooth ceramic antenna： 4.1Test system connection 4.2 Test equipment Network analyzer E5071C Bluetooth ceramic built-in antenna Computer Microwave anechoic chamber 4.3 Antenna test scenario diagram X Y Z ShenzhenZhengdaxinwei Communication Equipment Co.,Ltd 4.4 OTA passive test data： Frequency (MHz) Gain (dBi) Efficiency(%) Frequency (MHz) Gain (dBi) Efficiency(%) 2400 1.13 30.73 2455 1.11 33.95 2405 1.12 32.41 2460 0.97 33.51 2410 1.54 35.54 2465 0.88 32.20 2415 1.82 37.94 2470 0.71 30.94 2420 1.83 37.68 2475 0.64 30.38 2425 1.64 36.18 2480 0.79 30.94 2430 1.53 35.47 2485 1.06 32.64 2435 1.50 35.21 2490 1.38 34.20 2440 1.34 34.35 2495 1.55 34.92 2445 1.30 34.18 2500 1.38 33.62 2450 1.28 34.31 4.5 OTA direction diagram 2400 MHz ShenzhenZhengdaxinwei Communication Equipment Co.,Ltd 2450 MHz 2485 MHz ShenzhenZhengdaxinwei Communication Equipment Co.,Ltd 4.6 Standing wave ratio test chart Frequency (MHz) VSWR 2400 1.53 2450 1.04 2485 1.52 2500 1.82 2500 MHz ShenzhenZhengdaxinwei Communication Equipment Co.,Ltd 4.7 Matching circuit ShenzhenZhengdaxinwei Communication Equipment Co.,Ltd 4.8 Radiation pattern Thank you！

TEST REPORT Applicant: Sinocastel Co., Ltd. Address: 501,Building 11, Shenzhen Software Park(Phase 2), NO.1, Kejizhong 2 Road, Gaoxin Middle District, Nanshan District, Shenzhen, China P r o d u c t N a m e : Asset GPS Tracker F C C I D : S8U-T-235M Standard(s): 47 CFR Part 15, Subpart C(15.247) ANSI C63.10-2020 KDB 558074 D01 15.247 Meas Guidance v05r02 Report Number: 2502T59407E-RF-00A Report Date: 2025/7/22 The above device has been tested and found compliant with the requirement of the relevant standards by Bay Area Compliance Laboratories Corp. (Dongguan). Reviewed By: Alice Tan Approved By: Pedro Yun Title: RF Engineer Title: RF Supervisor Bay Area Compliance Laboratories Corp. (Dongguan) No.12, Pulong East 1 st Road, Tangxia Town, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn 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. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. 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 may contain data that are not covered by the accreditation scope and shall be marked with ★.This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the U.S. Government. Each test item follows the test standard(s) without deviation. Bay Area Compliance Laboratories Corp. (Dongguan) Report No.:2502T59407E-RF-00A Report Template Version: FCC-BLE-V2.2 Page 2 of 51 CONTENTS DOCUMENT REVISION HISTORY ................................................................................................. 4 1. GENERAL INFORMATION ........................................................................................................... 5 1.1 GENERAL DESCRIPTION OF EQUIPMENT UNDER TEST ............................................................................ 5 1.2 ACCESSORY INFORMATION ........................................................................................................................ 5 1.3 ANTENNA INFORMATION DETAIL▲ .......................................................................................................... 5 1.4 EQUIPMENT MODIFICATIONS ..................................................................................................................... 5 2. SUMMARY OF TEST RESULTS ................................................................................................... 6 3. DESCRIPTION OF TEST CONFIGURATION ............................................................................ 7 3.1 OPERATION FREQUENCY DETAIL .............................................................................................................. 7 3.2 EUT OPERATION CONDITION .................................................................................................................... 7 3.3 SUPPORT EQUIPMENT LIST AND DETAILS ................................................................................................. 7 3.4 SUPPORT CABLE LIST AND DETAILS .......................................................................................................... 7 3.5 BLOCK DIAGRAM OF TEST SETUP .............................................................................................................. 8 3.6 TEST FACILITY ............................................................................................................................................ 9 3.7 MEASUREMENT UNCERTAINTY .................................................................................................................. 9 4. REQUIREMENTS AND TEST PROCEDURES ......................................................................... 10 4.1 AC LINE CONDUCTED EMISSIONS ........................................................................................................... 10 4.1.1 Applicable Standard ............................................................................................................................................ 10 4.1.2 EUT Setup ........................................................................................................................................................... 11 4.1.3 EMI Test Receiver Setup .................................................................................................................................... 11 4.1.4 Test Procedure ..................................................................................................................................................... 12 4.1.5 Corrected Result& Margin Calculation ............................................................................................................... 12 4.1.6 Test Result ........................................................................................................................................................... 12 4.2 RADIATION SPURIOUS EMISSIONS ............................................................................................................ 13 4.2.1 Applicable Standard ............................................................................................................................................ 13 4.2.2 EUT Setup ........................................................................................................................................................... 13 4.2.3 EMI Test Receiver & Spectrum Analyzer Setup ................................................................................................. 15 4.2.4 Test Procedure .....................................................................................................................................…

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Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-00A-TSP Page 1 / 3 TEST SETUP PHOTOGRAPHS Radiated Emission 9k-30MHz Parallel View Radiated Emission 9k-30MHz Perpendicular View Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-00A-TSP Page 2 / 3 Radiated Emission 9k-30MHz Ground-parallel View Radiated Emission 30M-1GHz View Bay Area Compliance Laboratories Corp. (Dongguan) EXHIBIT No.: 2502T59407E-RF-00A-TSP Page 3 / 3 Radiated Emission 1-18GHz View Radiated Emission 18-25GHz View *****END *****