FCC ID: 2A93F-M7DB7 Dual Band SIP Module

Rochester, NY 14623 Arta, www.casanacare.com 150 Metro Park, Suite A q P Casa na

. January 24, 2023 Timco Engineering, Inc. 849 NW State Road 45 Newberry, FL 32669 To Whom It May Concern:

RF Exposure Lab (Jay Moulton) is authorized to act on our behalf, until otherwise notified, for applications to Timco Engineering, Inc. We certify that we are not subject to 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 attest that all information provided is true and accurate subject to 2015, 47 CFR 2.911(d). We attest we are the responsible party subject to 2015, 47 CFR 2.909(a). This authorization is applicable to the product: FCC ID: 2A93F-M7DB7 Agency Agreement Expiration Date: January 24, 2024 Telephone: (585) 402-2806

i, 150 Metro Park, Suite A ( > casana _ Rochester, NY 14623 January 24, 2023 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Re: Request Change in Identification Dear Examiner, This change of identification request applies for FCC ID: XF6-M7DB7 as established in 47CFR 2.933(b) for a currently approved device. This application by Casana Care Inc. will establish a new FCC ID: 2A93F-M7DB7 for purpose of marketing. The original grant to Silicon Labs will remain in effect per 2.933(b). 1. The original identification is FCC 1D: XF6-M7DB7 2. The original grant date is 07/27/2020 3. The equipment is electrically identical, only applicant and FCC ID are different 4. The original test results continue to be applicable and representative of the equipment and there are no changes in the design, circuitry, or construction 5. Exterior photographs are included in this application and the label/location was provided. Telephone: (585) 402-2806

Subject:

Delegation of authority letter Applicant:

Silicon Labs FCC ID:

XF6-M7DB7 To whom it may concern, By means of this letter, I, Sekhar Abburi, delegate the authority under a signature authorization of FCC documents in the certification process for FCC ID: XF6-M7DB7 to Dhiraj Sogani. Sekhar Abburi Place and date of issue (of this letter):

Hyderabad, February 17, 2023 Silabs India Private Limited Salarpuria sattva knowledge city Octave -3 parcel -4, 2nd and 3rd floor Hyderabad, Telangana 500081 040 6903 1000 | www.silabs.com

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LICON LABS Letter of Authorization Date: February 27, 2023 Attn: To Whom it May Concern Re: Authorization to Apply for a Change in Identification per Section 2.933(b) of 47CFR Dear Madam or Sir, We, Silicon Laboratories Inc., in relation to our 802.11abgn Wi-Fi wireless radio modules having model name of RS9116W-

DBOO-CC1(M/N: M7DB) and brand name of Silicon labs, as the manufacturers hereby declare to have applied for, and to have obtained a Federal Communications Commission (FCC) grant with FCC ID: XF6-M7DB7 and with original issue date of 07/27/2020, and with this letter we grant permission on a one-time basis to the following company:

Casana Care Inc [hereafter referred to as the New Grantee]

Full Address: 150 Metro Park, Rochester, NY 14623 Grantee Code: 2A93F to apply for a Change in Identification with FCC, as per FCC guidance under KDB 249634. We understand that the New Grantee is requesting the authorization to make this change in order to integrate our modules in their own unique products, under their own naming and branding, as follows:

New brand and model name of module: RS9116W-DBOO-CC1(M/N: M7DB) FCC ID: 2A93F-M7DB7 [newly established, for re-branded/re-named module above]

Thus, we authorize FCC to use information on file to grant the requested Change in Identification. We confirm we will be supplying our RS9116W-DBOO-CC1(M/N: M7DB) modules to the New Grantee unmodified and equivalent (in the design, circuitry, or construction) to the originally certified equipment. The original test results and technical documentation continue to be representative of, and applicable to the supplied equipment which will be bearing the changed identification. The original grant will remain in effect, nevertheless. We emphasize to have no control or responsibility with regards to the proper installation, configuration and use of our modules in the products manufactured and sold by the New Grantee. As a result, the New Grantee takes full ownership and accountability for the compliance of their products, including any appropriate labelling to take into account the new identification, and commit to submit in any following permissive change application of theirs all the intended documentation, including but not limited to test reports, exterior photographs and product user manuals. This authorization expires four (4) months after the date of issue. Should there be any query regarding this authorization, please do not hesitate to contact the undersigned. Thank you for your attention to this matter. Sincerely, Tr Dhiraj Sogani Senior Director, Wireless Product Marketing dhiraj.sogani@silabs.com

+1 408 802 4894 Ref: SF00294743