2BDWV-MT420ARIndustrial E-Ink

User Manual  Notice: In order to prevent your E-Ink system from damage, please read the following safety guide, and retain the product manual for future use. Warning 1. Do not disassemble the system hardware 2. The System is a precision electronic product, disassemble the product may lead to unpredictable consequences; affect the normal work of the system. 3. Avoid contact with sharp items, the price can be hard to identification if the screen has too much scratches. 4. Avoid system hardware encounter severe impact or intense vibrations. 5. Do not to delete system software, as it will lead to system failure 6. Avoid high temperature or submerged in water. 7. Keep away from fire, as the high Efficient lithium battery may cause explosion. Warning 1. Third-party accessories are not recommended. If may make the system unstable or even cause injury to operator. 2. Always maintain the system by qualified technical personnel 3. If use desk-mount bracket (accessory), please leave 10cm extra space at the top, right and left side. 4. Avoid install the product close to any instrument with electromagnetic wave. 5. The product may interference to other RF instruments. Those instruments should be kept away, as the interference might be unnoticed. However, the RF signal of the products is much lower than the safety standard. If it is unavoidable to have other RF instruments close to the product, please consulter a RF engineer for advice.  Basic functions  MT420AR Label appearance photo  Instructions for use The Industrial E-Ink tags opens the receiver every 1 minute to receive base station information. If an update request is received, continue to open the receiver and receive the updated content, then send the completion status of the reception and refresh the screen based on the received content; If there is no update requirement, just enter sleep again and wait for the next 1-minute cycle.  Specifications Dimension：103*85*13.5mm Visible range：84*63mm Working temperature range：０ °C ~ +40 °C Structural material：ABS plastics/PC Weight：95g Operating frequency：2.4~2.4835GHz(ISM) Date rate：≥500Kbps Modulation mode：GFSK FCC Statement 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. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Covered Equipment Identification Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows: We, applicant Company Name: Shanghai Alpha AIOT Technology Co., Ltd. Address: 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Phone: +86-13175055937 certify 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. FCC ID: 2BDWV-MT420AR If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-12-12 Name / Title: Yu Bin / General manger Company: Shanghai Alpha AIOT Technology Co., Ltd. Address: 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Phone: +86-13175055937 Fax Number: N/A E-Mail: [email protected]

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BDWV-MT420AR MT420AR, MT266AR, MT750AR We, applicant Company Name: Shanghai Alpha AIOT Technology Co., Ltd. Address: 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Phone: +86-13175055937 certify 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. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-12-12 Name / Title: Yu Bin / General manger Company: Shanghai Alpha AIOT Technology Co., Ltd. Address: 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Phone: +86-13175055937 Fax Number: N/A E-Mail: [email protected]

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2BDWV-MT420AR MT420AR, MT266AR, MT750AR For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-12-12 Name / Title: Yu Bin / General manger Company: Shanghai Alpha AIOT Technology Co., Ltd. Address: 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Phone: +86-13175055937 Fax Number: N/A E-Mail: [email protected]

Shanghai Alpha AIOT Technology Co., Ltd. 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Date: December 12, 2023 FCC ID: 2BDWV-MT420AR Model Number: MT420AR, MT266AR, MT750AR To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, Shanghai Alpha AIOT Technology Co., Ltd. hereby declare that our product (Industrial E-Ink) Model Number: MT420AR, MT266AR, MT750AR board, Schematic, Hardware version, Software version, structure and internal photos are same, named differently due to marketing purposes. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name / Title: Yu Bin / General manger Company: Shanghai Alpha AIOT Technology Co., Ltd. Address: 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Phone: +86-13175055937 Fax Number: N/A E-Mail: [email protected]

FCC ID: 2BDWV-MT420AR Fig. 1 Fig. 2 FCC ID: 2BDWV-MT420AR Fig. 3 Fig. 4 FCC ID: 2BDWV-MT420AR Fig. 5 Fig. 6 FCC ID: 2BDWV-MT420AR Fig. 7

_____________________________________________________________________________________________________ LABEL AND LOCATION (Size: L4.0cm x 2.0cm) Label Location

FCC ID: 2BDWV-MT420AR Fig. 1 Fig. 2 FCC ID: 2BDWV-MT420AR Fig. 3 Fig. 4 FCC ID: 2BDWV-MT420AR Fig. 5 Fig. 6 Antenna FCC ID: 2BDWV-MT420AR Fig. 7

Shenzhen Global Test Service Co.,Ltd. No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong RF Exposure evaluation Report Reference No. .................... : FCC ID. ............................................ : GTS20230504018-1-6 2BDWV-MT420AR Compiled by ( position+printed name+signature) .. : File administrators Peter Xiao Supervised by ( position+printed name+signature) .. : Test Engineer Evan Ouyang Approved by ( position+printed name+signature) .. : Manager Jason Hu Date of issue ..................................... : Dec.05, 2023 Representative Laboratory Name : Shenzhen Global Test Service Co.,Ltd. Address ............................................. : No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong,China Applicant’s name ............................ : SHANGHAI ALPHA AIOT TECHNOLOGY CO., LTD. Address ............................................. : 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Test specification .......................... : Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 TRF Originator .................................. : Shenzhen Global Test Service Co.,Ltd. Master TRF ....................................... : Dated 2014-12 Shenzhen Global Test Service Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Global Test Service Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Global Test Service Co.,Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description .................... : Industrial E-Ink Trade Mark ....................................... : N/A Manufacturer ..................................... : Shanghai Alpha AIOT Technology Co., Ltd. Model/Type reference ....................... : MT420AR Listed Models ................................... : MT266AR, MT750AR Exposure category ............................ : General population/uncontrolled environment EUT Type .......................................... : Portable Hardware Version ............................ : V0.2 Software Version .............................. : V200 Rating ............................................... : DC 3.0V by Battery(2*CR2450-2P) Result ................................................ : PASS Report No.: GTS20230504018-1-6 Page 2 of 10 T E S T R E P O R T Test Report No. : GTS20230504018-1-6 Dec.05, 2023 ______________________________________________________________________________________________ Date of issue Equipment under Test : Industrial E-Ink Model /Type : MT420AR Listed model : MT266AR, MT750AR Applicant : SHANGHAI ALPHA AIOT TECHNOLOGY CO., LTD. Address : 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Manufacturer : SHANGHAI ALPHA AIOT TECHNOLOGY CO., LTD. Address : 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: GTS20230504018-1-6 Page 3 of 10 Contents 1. S U M M A R Y .................................................................................. 4 1.1. EUT configuration ....................................................................................................................................... 4 1.2. Product Description .................................................................................................................................... 4 2. T E S T E N V I R O N M E N T ................................................................... 5 2.1. Address of the test laboratory ................................................................................................................... 5 2.2. Test Facility .................................................................................................................................................. 5 2.3. Environmental conditions .......................................................................................................................... 5 2.4. Statement of the measurement uncertainty ............................................................................................. 5 3 . M E T H O D O F M E A S U R EM E N T ......................................................... 6 3.1. Applicable Standard .................................................................................................................................... 6 3.2. Evaluation Method and Limit...................................................................................................................... 6 4. C O N D U C T E D P O W E R R E S U L T S ...................................................... 7 5. M A N U F A C T U R I N G T O L E R ANCE ...................................................... 8 6 . E V A L U A T I O N R E S U L TS ................................................................ 9 6.1. Standalone Evaluation ................................................................................................................................ 9 7. C O N C L U S I O N ............................................................................ 10 Report No.: GTS20230504018-1-6 Page 4 of 10 1. S U M M A R Y 1.1. EUT configuration The following peripheral devices and interface cables were connected during the measurement: ● - supplied by the manufacturer ○ - supplied by the lab ○ Adapter Length (m) : 0.4m Shield : Non-Shielded Detachable : Non- Detachable 1.2. Product Description Product Na…

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Shanghai Alpha AIOT Technology System Co., Ltd. Address:2F,25-1 Hongcao Road, Xuhui District, Shanghai, China [email protected] PCB Antenna Dimension Model No. PCB_ANTENNA_F001 Features RoHS Compliant Low V.S.W.R. Matching Free Design Specification Freq.: 2400~2500MHz Impedance: 50ohm S.W.R: <=2.0 Peak Gain: 1.0 dBi(*Typical *) Material: PCB RF4 Shanghai Alpha AIOT Technology System Co., Ltd. Address:2F,25-1 Hongcao Road, Xuhui District, Shanghai, China [email protected] S.W.R & Return Loss Test Data Radiation Pattern

FCCID: 2BDWV-MT420AR 1 Case No. : GTS20230504018-1-5 Ambient Condition: 24 °C, 49 %RH, Atmos100.1Kpa, Test Date: 2023.11.24 Test Engineer: Evan ouyang Appendix A.1: DTS Bandwidth Test Result Test Mode Antenna Frequency[MHz] DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict SRD Ant1 2417 0.972 2416.312 2417.284 0.5 PASS 2442 0.880 2441.408 2442.288 0.5 PASS 2477.5 0.704 2477.080 2477.784 0.5 PASS FCCID: 2BDWV-MT420AR 2 Test Graphs SRD_Ant1_2417 SRD_Ant1_2442 FCCID: 2BDWV-MT420AR 3 SRD_Ant1_2477.5 FCCID: 2BDWV-MT420AR 4 Appendix A.2: Occupied Channel Bandwidth Test Result Test Mode Antenna Frequency[MHz] OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict SRD Ant1 2417 2.5120 2416.241 2418.753 --- --- 2442 2.3986 2441.346 2443.745 --- --- 2477.5 1.7034 2477.027 2478.730 --- --- FCCID: 2BDWV-MT420AR 5 Test Graphs SRD_Ant1_2417 SRD_Ant1_2442 FCCID: 2BDWV-MT420AR 6 SRD_Ant1_2477.5 FCCID: 2BDWV-MT420AR 7 Appendix A.3: Maximum conducted output power Test Result Peak Test Mode Antenna Frequency[MHz] Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict SRD Ant1 2417 -0.28 ≤30 PASS 2442 0.08 ≤30 PASS 2477.5 -0.56 ≤30 PASS FCCID: 2BDWV-MT420AR 8 Appendix A.4: Maximum power spectral density Test Result Test Mode Antenna Frequency[MHz] Result[dBm/3kHz] Limit[dBm/3kHz] Verdict SRD Ant1 2417 -7.41 ≤8.00 PASS 2442 -6.86 ≤8.00 PASS 2477.5 -6.51 ≤8.00 PASS FCCID: 2BDWV-MT420AR 9 Test Graphs SRD_Ant1_2417 SRD_Ant1_2442 FCCID: 2BDWV-MT420AR 10 SRD_Ant1_2477.5 FCCID: 2BDWV-MT420AR 11 Appendix A.5: Band edge measurements Test Result Test Mode Antenna ChName Frequency[MHz] RefLevel[dBm] Result[dBm] Limit[dBm] Verdict SRD Ant1 Low 2417 -1.26 -47.7 ≤-21.26 PASS High 2477.5 0.16 -48 ≤-19.84 PASS FCCID: 2BDWV-MT420AR 12 Test Graphs SRD_Ant1_Low_2417 SRD_Ant1_High_2477.5 FCCID: 2BDWV-MT420AR 13 Appendix A.6: Conducted Spurious Emission Test Result Test Mode Antenna Frequency[MHz] FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict SRD Ant1 2417 Reference -1.36 -1.36 --- PASS 30~1000 -1.36 -60.52 ≤-21.36 PASS 1000~26500 -1.36 -33.63 ≤-21.36 PASS 2442 Reference -0.72 -0.72 --- PASS 30~1000 -0.72 -60.49 ≤-20.72 PASS 1000~26500 -0.72 -30.18 ≤-20.72 PASS 2477.5 Reference 0.10 0.10 --- PASS 30~1000 0.10 -60.56 ≤-19.9 PASS 1000~26500 0.10 -28.85 ≤-19.9 PASS FCCID: 2BDWV-MT420AR 14 Test Graphs SRD_Ant1_2417_0~Reference SRD_Ant1_2417_30~1000 FCCID: 2BDWV-MT420AR 15 SRD_Ant1_2417_1000~26500 SRD_Ant1_2442_0~Reference FCCID: 2BDWV-MT420AR 16 SRD_Ant1_2442_30~1000 SRD_Ant1_2442_1000~26500 SRD_Ant1_2477.5_0~Reference FCCID: 2BDWV-MT420AR 17 SRD_Ant1_2477.5_30~1000 SRD_Ant1_2477.5_1000~26500 FCCID: 2BDWV-MT420AR 18 Appendix A.7: Emissions in Restricted Bands Test Result Test Mode Antenna ChName Frequency [MHz] Detector Freq [MHz] Result [dBm] Limit [dBm] Result [dBuV/m] Limit [dBuV/m] Verdict SRD Ant1 Low 2417 AV 2310.000 -49.06 ≤-41.20 46.14 ≤54 PASS AV 2384.016 -48.62 ≤-41.20 46.58 ≤54 PASS AV 2390.000 -48.77 ≤-41.20 46.43 ≤54 PASS Peak 2310.000 -41.95 ≤-21.20 53.25 ≤74 PASS Peak 2326.550 -35.82 ≤-21.20 59.38 ≤74 PASS Peak 2390.000 -41.66 ≤-21.20 53.54 ≤74 PASS High 2477.5 AV 2483.500 -48.19 ≤-41.20 47.01 ≤54 PASS AV 2483.600 -48.1 ≤-41.20 47.10 ≤54 PASS AV 2500.000 -48.33 ≤-41.20 46.87 ≤54 PASS Peak 2483.500 -39.94 ≤-21.20 55.26 ≤74 PASS Peak 2488.000 -38.91 ≤-21.20 56.29 ≤74 PASS Peak 2500.000 -40.09 ≤-21.20 55.11 ≤74 PASS Note： 1. The Antenna Gain is compensated in the graph. 2. The limit in dBm for average detector is conversion from 54dBuV/m, according to 15.209(a). The limit in dBm for peak detector is 20dB above the limit of average detector in dBm. FCCID: 2BDWV-MT420AR 19 Test Graphs SRD_Ant1_Low_2417_AV SRD_Ant1_Low_2417_Peak FCCID: 2BDWV-MT420AR 20 SRD_Ant1_High_2477.5_AV SRD_Ant1_High_2477.5_Peak

Shenzhen Global Test Service Co.,Ltd. No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. ..................... : FCC ID............................................. : GTS20230504018-1-5 2BDWV-MT420AR Compiled by ( position+printed name+signature) . : File administrators Peter Xiao Supervised by ( position+printed name+signature) . : Test Engineer Evan Ouyang Approved by ( position+printed name+signature) . : Manager Jason Hu Date of issue .................................... : Dec.05, 2023 Representative Laboratory Name . : Shenzhen Global Test Service Co.,Ltd. Address ............................................ : No.7-101 and 8A-104, Building 7 and 8, DCC Cultural and Creative Garden, No.98, Pingxin North Road, Shangmugu Community, Pinghu Street, Longgang District, Shenzhen, Guangdong,China Applicant’s name ............................ : Shanghai Alpha AIOT Technology Co., Ltd. Address ............................................ : 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Test specification ........................... : Standard ........................................... : FCC Part 15.247 TRF Originator .................................. : Shenzhen Global Test Service Co.,Ltd. Master TRF ...................................... : Dated 2014-12 Shenzhen Global Test Service Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Global Test Service Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Global Test Service Co.,Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Industrial E-Ink Trade Mark ....................................... : N/A Manufacturer .................................... : Shanghai Alpha AIOT Technology Co., Ltd. Model/Type reference ...................... : MT420AR Listed Models .................................. : MT266AR, MT750AR Modulation Type ............................... : GFSK Operation Frequency ........................ : From 2417MHz to 2477.5MHz Hardware Version ............................ : V0.2 Software Version .............................. : V200 Rating ............................................... : DC 3.0V by Battery(2*CR2450-2P) Result ............................................... : PASS Report No.: GTS20230504018-1-5 Page 2 of 29 T E S T R E P O R T Test Report No. : GTS20230504018-1-5 Dec.05, 2023 ______________________________________________________________________________________________ Date of issue Equipment under Test : Industrial E-Ink Model /Type : MT420AR Listed model : MT266AR, MT750AR Applicant : Shanghai Alpha AIOT Technology Co., Ltd. Address : 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Manufacturer : Shanghai Alpha AIOT Technology Co., Ltd. Address : 2F,25-1 Hongcao Road, Xuhui District, Shanghai, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: GTS20230504018-1-5 Page 3 of 29 Contents 1. TEST STANDARDS ......................................................................................................................................... 4 2. SUMMARY ....................................................................................................................................................... 5 2.1. General Remarks ................................................................................................................................... 5 2.2. Product Description ................................................................................................................................ 5 2.3. Equipment Under Test ........................................................................................................................... 5 2.4. Short description of the Equipment under Test (EUT) ........................................................................... 5 2.5. EUT operation mode .............................................................................................................................. 6 2.6. Block Diagram of Test Setup ................................................................................................................. 6 2.7. EUT Exercise Software .......................................................................................................................... 6 2.8. Special Accessories ............................................................................................................................... 6 2.9. External I/O Cable .................................................................................................................................. 6 2.10. Related Submittal(s) / Grant (s) ........................................................................................................... 6 2.11. Modifications ........................................................................................................................................ 6 3. TEST ENVIRONMENT ..................................................................................................................................... 7 3.1. Address of the test laboratory ................................................................................................................ 7 3.2. Test Facility ............................................................................................................................................ 7 3.3. Environmental conditions ................................................…

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FCC ID: 2BDWV-MT420AR _______________________________________________________________________________________________ Page 1 of 1 1. TEST SETUP PHOTOGRAPHS 1.1. Photo of Radiated Emissions Measurement Fig. 1 Fig. 2