FCC ID: WIYS2L001 POS Terminal

S2LLabelLocation FCCID:WIYS2L001 ContainsFCCID:WIYSNM758L IC:27350S2L001 ContainsIC:27350SNM758L BackofEUT

Date: December 1, 2023 Regarding FCC ID: WIYS2L001 Dear Examiner:

The measurements of the equipment class: DXX of this 731 application were performed radiated and therefore additional antenna gain documentation is not required. Sincerely, Signature: ____________________ Printed Name /Title: Jim Chang/Manger Company Name: SGS Taiwan Ltd.

TO:

Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding FCC ID: WIYS2L001 To whom it may concern:

Date: August 21, 2023 We, the undersigned, hereby authorize Jim Chang, SGS Taiwan Ltd. to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, 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. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. We also declare that the information provided to the FCC is true and correct to the best of our knowledge

(47 CFR 2.911(d)) and we have been informed of the grantee responsibilities (47 CFR 2.909) with regard to certified equipment. This authorization is valid until further written notice from the applicant. Sincerely, Signature: ____________________ Printed Name /Title: Evelyn Chen / Project Manager of Product Certification Team Company Name: CASTLES TECHNOLOGY CO., LTD.

SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Declaration Applicant Legal Business Name CASTLES TECHNOLOGY CO., LTD. Address Grantee Code FCC ID Authorized Contact Name Contact Email Contact Phone 6F., No. 207-5, Sec. 3, Beixin Rd., Xindian District, New Taipei City, Taiwan WIY WIYS2L001 Evelyn Chen compliance_certification@castech.com.tw

+886-2-8913-1771 Extension : 352 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare;

a) b) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for:

labeling the equipment with the exact FCC ID as specified in this application,

(1)

(2) compliance statement labeling pursuant to the applicable rules,

(3) compliance of the equipment with the applicable technical rules, c) d) e) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCCs technical requirements. in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. in accordance with ISO 17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements.

(1)

(2)

(3) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. the Applicant shall, upon request by SGS, at the Applicants expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) g) neither the Applicant nor any party to the application is 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 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a party for these purposes. the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Link to the Covered List: Covered List CASTLES TECHNOLOGY CO., LTD. (the applicant) 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. CASTLES TECHNOLOGY CO., LTD. (the applicant) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered list, established pursuant to 1.50002, as an entity or any of its subsidiaries or affiliates producing covered equipment. Applicant Signature:

Date: August 21, 2023 Print Name:

Evelyn Chen Title:

Project Manager of Product Certification Team

*NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database QSF27-14-04 Rev 1.0 Rev. Feb 6, 2023 Page 1 of 1 Original Issue: Jan. 4, 2021

Date: August 21, 2023 Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 REQUEST FOR CONFIDENTIALITY - FCC FCC ID: WIYS2L001 Pursuant to Sections 0.457(d) and 0.459 of the Commissions Rules and FCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of 180 days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence before the requested number of days listed above, the grantee will inform the TCB to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. Exhibit Block Diagrams Operation Description Software defined radio & security info Parts List & Placement/BOM Tune-Up Procedure Schematic Diagrams External Photos Internal Photos Test Setup Photos Users Manual Type of Confidentiality Requested Permanent Permanent Permanent Permanent Permanent Permanent

Permanent*

Permanent*

Short Term Short Term

Short Term Short Term Short Term Short Term Short Term Short Term Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at:

https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. Note: any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have Permanent confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed:

Printed name: Evelyn Chen Title: Project Manager of Product Certification Team Company Name: CASTLES TECHNOLOGY CO., LTD.

CASTLES TECHNOLOGY 6F., NO.207-5, SEC.3, BEISHIN RD., XINDIAN DIST., |

TEL: +886-2-8913-1771 Fax: +886-2-8913-1772 U.S. Agent for Service To the attention of Federal Communications Commission Authorization and Evaluation Division U.S. Agent Company Name: Castles Technology International FRN: 0033474149 Contact Name: Lindsay Cole street Adaress: 1U0) big snanty Rd NW, suite ZUU City/Province/Zip: Kennesaw, GA 30144 Telephone No: 509.899.0729 Email: Lindsay.cole@castlestech.com This letter is to confirm that we have accepted tl Agent for service of process as required by 2.91 U.S. Agent Signature: ~ = a Date: 2023-03-02 Signed by (printed name): Lindsay T Cole Applicant Company name: CASTLES TECHNOLOGY CO., LTD. Grantee Code: Wly Contact Name: Evetyn Chen Street Address: 6F., No.207-5, Sec. 3, Beixin Rd.. City/Province/Zip: New Taipei City, Taiwan (R. fe) Telephone No: +886-2-8913-1771 Email: evelyn_101023@castech.com.tw This letter is to confirm that the Applicant has d purpose of accepting service of process on their Applicant further acknowledges acceptance to m the grantee nas terminated all MalKeting dnd in related proceeding involving the equipment. Applicant Signature: G Say Date: 2023-03-02 Signed by (printed name): Evelyn Chen NEW TAIPEI CITY 23143 Taiwan of Process Attestation Corporation 1e responsibility to act as the designated U.S.

|(d)(7) on behalf of the Applicant noted below. Xindian District,

.C), 23143 2>signated the U.S Agent noted above for the behalf as required by 2.911(d)(7). The aintain an agent fort no 0 less than: one year after _ a ee ce, en POFlallOnN OF LUNE CONC WUSION OF ANY COMMS stOle