Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
ShenZhenWanSiQiElectronicsCo.,LTD Rm 504, Building 9, XianKe Garden, MeiHua Road No. 3, FuTian District, ShenZhen, Guangdong 518000, China Rev 2026-04-24 Date: 2026-06-26 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Ref: Attestation Statements Part 2.911(d)(5)(i) and Part 2.911(d)(5)(ii) FCC ID: 2BOTA-SN3 Part 2.911(d)(5)(i) ShenZhen WanSiQi Electronics Co., LTD certifies that the equipment for which authorization is soughtis not“covered” equipment anddoes notcontain anti-virus software or cybersecurity software prohibited from receiving an equipment authorization pursuant to47 CFR 2.903,KDB 986446 D01 Covered Equipment Guidance, and FCC Covered List (www.fcc.gov/supplychain/coveredlist). Part 2.911(d)(5)(ii) ShenZhen WanSiQi Electronics Co., LTD certifies that, as ofthe date of the filing of the application, the applicantis not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, Signatory [Li Xiang Lin, Manager]
ShenZhenWanSiQiElectronicsCo.,LTD Rm504,Building9,XianKeGarden,MeiHuaRoadNo.3,FuTianDistrict,ShenZhen,Guangdong 518000, China Date: 2026-06-29 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA FCC ID: 2BOTA-SN3 Applicant FRN: 0036927770 US Agent – Attestation Statement / Part 2.911(d)(7) ShenZhen WanSiQi Electronics Co., LTD certifies that, as of2026-06-29, we have designated Express Distribution Solutions to accept service of process on our behalf for FCC ID: 2BOTA-SN3. ShenZhen WanSiQi ElectronicsCo.,LTD,accepts tomaintainan agentof serviceof processin the United States for no less than one year aftereither the granteehas permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Express Distribution Solutions, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of ShenZhen WanSiQi Electronics Co., LTD for FCC ID:2BOTA-SN3. Designated Agent Information: Company Name: Express Distribution Solutions U.S. Agent FRN: 0037027455 Address: 924 NW 1 st Street Fort Lauderdale, FL 33311 United States Contact Person: Thomas C Musgrave Phone: (574)397-4500 Email: [email protected] Sincerely, Company: ShenZhen WanSiQi Electronics Co., LTD Designated Agent: Express Distribution Solutions Company Representative: Li Xiang LinDesignated Agent Representative: Thomas C Musgrave Signature:Signature:
ShenZhenWanSiQiElectronicsCo.,LTD Rm 504, Building 9, XianKe Garden, MeiHua Road No. 3, FuTian District, ShenZhen, Guangdong 518000, China Date: 2026-06-29 FEDERAL COMMUNICATIONS COMMISSION AUTHORIZATION AND EVALUATION DIVISION 7435 OAKLAND MILLS ROAD COLUMBIA, MD 21046 SUBJECT: FCC Application for FCC ID: 2BOTA-SN3 Confidentiality Request To whom it may concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. ☒ Block Diagram ☐ Tune-Up Information ☒ Operational Description ☐ Security Information ☒ Schematics ☐ Software Defined Radio (SDR) Information ☐ Parts List The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); ☒ External Photos ☒ Test Setup Photos ☒ Internal Photos ☒ User Manual ☐For 45 days, pursuant to Public Notice DA 04-1705. or ☒For 180 days pursuant to KDB 726920 D01. The applicant understands that pursuant to Section 0.457 ofthe Rules, disclosure of this application and all accompanying documentation will not be made before the dateof the Grant for this application. Sincerely, Signatory [Li Xiang Lin, Manager]
ShenZhenWanSiQiElectronicsCo.,LTD Rm504,Building9,XianKeGarden,MeiHuaRoadNo.3,FuTianDistrict,ShenZhen,Guangdong518000, China Date: 2026-06-26 FEDERAL COMMUNICATIONS COMMISSION AUTHORIZATION AND EVALUATION DIVISION 7435 OAKLAND MILLS ROAD COLUMBIA, MD 21046 SUBJECT: FCCID:2BOTA-SN3 Model Declaration Letter Dear Regulatory Authority, Model(s): RT-SC-3.a, RT-SF-3.a are same to the model RT-SN-3.a,these models are same PCB Layout, Schematics, BOM. Only for different model name, appearancecolor for different market require. Sincerely, Signatory [Li Xiang Lin, Manager]
ShenZhenWanSiQiElectronicsCo.,LTD Rm504,Building9,XianKeGarden,MeiHuaRoadNo.3,FuTianDistrict,ShenZhen,Guangdong518000, China Date: 2026-06-26 FEDERAL COMMUNICATIONS COMMISSION AUTHORIZATION AND EVALUATION DIVISION 7435 OAKLAND MILLS ROAD COLUMBIA, MD 21046 SUBJECT: FCC Application for FCC ID: 2BOTA-SN3 POWER OF ATTORNEY To Whom It May Concern: We, the undersigned, hereby authorize Waltek Testing Group(Shenzhen) Co., Ltd. Jandy So on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, ShenZhen WanSiQi Electronics Co., LTD are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Signatory [Li Xiang Lin, Manager]
Reference No.: WTX26X05151854W001/002 Page 1 of 11 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format FCC ID: 2BOTA-SN3 Specifications: The label shall be securely affixed to a permanently attached part of the device, in a location where it is visible or easily accessible to the user, and shall not be readily detachable. The label shall be sufficiently durable to remain fully legible and intact on the device in all normal conditions of use throughout the device’s expected lifetime. Proposed Label Location on EUT FCC ID Label Location
1. RF Exposure Requirements 1.1 General Information Client Information Applicant: ShenZhen WanSiQi Electronics Co., LTD Address of applicant: Rm 504, Building 9, XianKe Garden, MeiHua Road No. 3, FuTian District, Shenzhen, Guangdong, China Manufacturer: ShenZhen WanSiQi Electronics Co., LTD Address of manufacturer: Rm 504, Building 9, XianKe Garden, MeiHua Road No. 3, FuTian District, Shenzhen, Guangdong, China General Description of EUT: Product Name: Tire Pressure Monitoring System Sensor Trade Name / Model No.: RT-SN-3.a Adding Model(s): RT-SC-3.a, RT-SF-3.a Rated Voltage: Battery 3V Power Adapter: / FCC ID: 2BOTA-SN3 Equipment Type: Mobile device Technical Characteristics of EUT: Bluetooth Bluetooth Version: V5.2 (LE mode) Frequency Range: 2402-2480MHz RF Output Power: -8.86dBm (Conducted) Data Rate: 1Mbps Modulation: GFSK Quantity of Channels: 40 Channel Separation: 2MHz Type of Antenna: Integral Antenna Antenna Gain: -4.072dBi SRD 433.92MHz Frequency Range: 433.92MHz Max. Field Strength: 433.92MHz: 62.10dBuV/m(3m) Data Rate: / Modulation: FSK Antenna Type: External Antenna Antenna Gain: 0.5dBi 1.2 RF Exposure Exemption According to §1.1307(b)(3) and KDB 447498 D04 Interim General RF Exposure Guidance v01, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. Option A: FCC Rule Part 1.1307 (b)(3)(i)(A):The available maximum time-averaged power is no more than 1mW, regardless of separation distance. Option B: FCC Rule Part 1.1307 (b)(3)(i)(B): The available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold P th (mW) described in the following formula. P th is given by: Option C: FCC Rule Part 1.1307 (b)(3)(i)(C): The minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. R must be at least λ/2π, where λ is the free-space operating wavelength in meters. Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R 2 1.34-30 3,450 R 2 /f 2 30-300 3.83 R 2 300-1,500 0.0128 R 2 f 1,500-100,000 19.2R 2 For Multiple RF sources: FCC Rule Part 1.1307(b)(3)(ii): (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). (B) In the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation. 1.3 Calculated Result Radio Access Technology Prediction Frequency Output Power Antenna Gain Duty Cycle Tune-Up Time-Averaged Power ERP (MHz) (dBm) (dBi) (%) (dBm) (dBm) Bluetooth 2402 -8.86 -4.072 100 -8.00 -14.22 SRD 433.92 -33.66 0.5 / -33.00 -34.65 Frequency Option Min. Distance Max. Power Exposure Limit Ratio Result (MHz) (cm) (dBm) (mW) (mW) Pass/Fail 2402 C 20.00 -14.22 0.04 768.00 0.01 Pass 433.92 C 20.00 -34.65 0.00 222.17 0.01 Pass Note: 1. a. Time-Averaged Power=Output Power * Duty Cycle; ERP= Time-Averaged Power+ Antenna gain-2.15dB; b. EIRP= E-104.8+20logD; Output Power=EIRP- Antenna Gain; ERP=EIRP-2.15dB 2. Option A, B and C refers as clause 1.2. 3. For option B, Max (time-averaged power, effective radiated power (ERP)) converts to Max. Power. For option C, ERP converts to Max. Power; 4. For option B, P th (mW) converts to Exposure Limit (mW); For option C, ERP (W) converts to Exposure Limit (mW). 5. Ratio= Tune-Up ERP (mW)/ Exposure Limit (mW) Mode for Simultaneous Multi-band Transmission: Radio Access Technology Ratio 1 Ratio 2 Simultaneous Ratio Limit Result Pass/Fail / / / / / / Note: Bluetooth and SRD can't transmit at the same time. Result: Pass
Page 1 of 14 Antenna Test Report Report No.: AGC01101260601PA01 PRODUCT DESIGNATION : Tire Pressure Monitoring System Sensor BRAND NAME : N/A MODEL NAME : RT-SN-3.a, RT-SC-3.a, RT-SF-3.a APPLICANT : ShenZhen WanSiQi Electronics Co., LTD DATE OF ISSUE : Jul. 09, 2026 REPORT VERSION : V1.1 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC01101260601PA01 Page 2 of 14 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Jun. 16, 2026 Invalid Initial Release V1.1 1 st Jul. 09, 2026 Valid 1. Update antenna dimensions. 2. The test photos and the EUT photos are stored in different documents. Report No.: AGC01101260601PA01 Page 3 of 14 Table of Contents 1. General Information ..................................................................................................................................... 4 2. Product Technical Information .................................................................................................................... 5 3. Test Summary List ....................................................................................................................................... 5 4. Test Environment ......................................................................................................................................... 6 4.1 Address of The Test Laboratory .............................................................................................................. 6 4.2 Test Facility ............................................................................................................................................. 6 4.3 Environmental Conditions ....................................................................................................................... 7 4.4 Measurement Uncertainty ...................................................................................................................... 7 4.5 List of Equipment Used .......................................................................................................................... 7 5. Antenna Passive Measurement Results ..................................................................................................... 8 5.1 Test Setup ............................................................................................................................................... 8 5.2 VSWR Test Result .................................................................................................................................. 9 5.3 Gain and Efficiency Test Result ............................................................................................................ 10 5.4 Radiation Pattern Diagram .................................................................................................................... 11 Appendix I: Photographs of Test Setup ....................................................................................................... 13 Appendix II: Photographs of Test EUT ......................................................................................................... 13 Report No.: AGC01101260601PA01 Page 4 of 14 1. General Information Applicant ShenZhen WanSiQi Electronics Co., LTD Address Rm 504, Building 9, XianKe Garden, MeiHua Road No. 3, FuTian District, Shenzhen, Guangdong, China Manufacturer ShenZhen WanSiQi Electronics Co., LTD Address Rm 504, Building 9, XianKe Garden, MeiHua Road No. 3, FuTian District, Shenzhen, Guangdong, China Factory ShenZhen WanSiQi Electronics Co., LTD Address Rm 504, Building 9, XianKe Garden, MeiHua Road No. 3, FuTian District, Shenzhen, Guangdong, China Product Designation Tire Pressure Monitoring System Sensor Brand Name N/A Test Model RT-SN-3.a Series Model(s) RT-SC-3.a, RT-SF-3.a Difference Description All the same except for the model name, appearance and color Date of receipt of test item Jun. 09, 2026 Date of Test Jun. 09, 2026 to Jun. 16, 2026 Test Report Form No AGCER-OTA- Passive -V1 Note: The test results of this report relate only to the tested sample identified in this report. Prepared By Thea Huang (Project Engineer) Jul. 09, 2026 Reviewed By Bibo Zhang (Reviewer) Jul. 09, 2026 Approved By Angela Li (Authorized Officer) Jul. 09, 2026 Report No.: AGC01101260601PA01 Page 5 of 14 2. Product Technical Information Frequency Range 2400MHz-2500MHz Test Frequency 2400MHz;2410MHz,2420MHz,2430MHz,2440MHz,2450MHz, 2460MHz,2470MHz,2480MHz,2490MHz, 2500MHz Antenna Type Integral Antenna Dimensions 8.9mm*20.8mm Impedance 50Ω Maximum test values Gain: -4.072dBi; Efficiency: 11.812%; VSWR: 1.095:1 3. Test Summary List NO. Test item Remark 1 VSWR -- 2 Gain and efficiency -- 3 Radiation pattern -- Report No.: AGC01101260601PA01 Page 6 of 14 4. Test Environment 4.1 Address of The Test Laboratory Laboratory: Attestation of Global Compliance (Shenzhen) Co., Ltd. Address: 1-2/F, Building 19, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 4.2 Test Facility The test facility is recognized, certified, or accredited by the following organizations: CNAS-Lab Code: L5488 Attestation of Global Compliance (Shenzhen) Co., Ltd. has been assessed and proved to follow CNAS-CL01 Accreditation Criteria for Testing and Calibration Laboratories (identical to ISO/IEC17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories.) A2LA-Lab Cert. No.: 5054.02 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been accredited by A2LA for technical competence in the field of electrical testing, and proved to follow ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories and any additional program requirements in the identified field of testing. FCC-Registration No.: 975832 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with …
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Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 42 TEST REPORT Reference No. ....................: WTX26X05151854W001 FCC ID ............................... .: 2BOTA-SN3 Applicant .......................... .: ShenZhen WanSiQi Electronics Co., LTD Address ............................ .: Rm 504, Building 9, XianKe Garden, MeiHua Road No. 3, FuTian District, Shenzhen, Guangdong, China Manufacturer .................... .: The same as Applicant Address ............................ .: The same as Applicant Product Name .................. .: Tire Pressure Monitoring System Sensor Model No.. ......................... .: RT-SN-3.a Standards ......................... .: FCC Part 15.247 Date of Receipt sample ... .: 2026-05-28 Date of Test....................... .: 2026-05-29 to 2026-06-18 Date of Issue .................... .: 2026-06-18 Test Report Form No. ...... . : WTX_Part 15_247W Test Result ........................ .: Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Gala Wang/Project Engineer Jason Su/Manager Reference No.: WTX26X05151854W001 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 42 TABLE OF CONTENTS 1. GENERAL INFORMATION .................................................................................................................................... 4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ......................................................................... 4 1.2 TEST STANDARDS ................................................................................................................................................. 5 1.3 TEST METHODOLOGY ........................................................................................................................................... 5 1.4 TEST FACILITY ...................................................................................................................................................... 5 1.5 EUT SETUP AND TEST MODE .............................................................................................................................. 6 1.6 MEASUREMENT UNCERTAINTY ............................................................................................................................. 7 1.7 TEST EQUIPMENT LIST AND DETAILS ................................................................................................................... 8 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 12 3. ANTENNA REQUIREMENT ................................................................................................................................. 13 3.1 STANDARD APPLICABLE ..................................................................................................................................... 13 3.2 EVALUATION INFORMATION ................................................................................................................................ 13 4. POWER SPECTRAL DENSITY ........................................................................................................................... 14 4.1 STANDARD APPLICABLE ..................................................................................................................................... 14 4.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 14 4.3 TEST PROCEDURE .............................................................................................................................................. 14 4.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 14 5. DTS BANDWIDTH ................................................................................................................................................. 15 5.1 STANDARD APPLICABLE ..................................................................................................................................... 15 5.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 15 5.3 TEST PROCEDURE .............................................................................................................................................. 15 5.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 15 6. RF OUTPUT POWER ............................................................................................................................................ 16 6.1 STANDARD APPLICABLE ..................................................................................................................................... 16 6.2 TEST SETUP BLOCK DIAGRAM ........................................................................................................................... 16 6.3 TEST PROCEDURE .............................................................................................................................................. 16 6.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 16 7. FIELD STRENGTH OF SPU…
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924 NW 1st Street · Fort Lauderdale, Florida, 33311 · United States
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 100.00 µW |
Tire Pressure Monitoring System Transceiver
Equipment Class
DSR - Part 15 Remote Control/Security Device Transceiver