FCC ID: 2AT2DS1 Stimulator

FCC ID Artwork & Label Location Name of Applicant: Cala Health Address: 1800 Gateway Drive, Suite 300 City: San Mateo, CA 94404 Country: United States of America FCCID: 2AT2DS1 Device is smaller than palm sized. FCCID is included in Users Guide (LBL-5191, Page 63). Dated: 06/27/2023 Jay Eggenberger Principal Systems Engineer

Federal Communications Commission 7345 Oakland Mills Road Columbia MD 21046 Attention: Application Examiner / Review Engineer Authorization for a Change in Identification per Section 2.933 of the FCC Rules To whom It may concern:

Thalwil, 03.08.2023 We, the undersigned, hereby authorize Cala Health to market our product, u-blox BMD-

380, under their own identification. The original identification is FCC ID: XPYBMD380 The original grant date is: May 29, 2020 We are aware that Cala Health intends to market the above referenced product under their own FCC ID: 2AT2DS1 Sincerely yours, ____________________________ Cam Nichols Principal Engineer, u-blox AG cam.nichols@u-blox.com u-blox AG Zrcherstrasse 68 8800 Thalwil Switzerland Phone +41 44 722 7444 Fax +41 44 722 7447 info@u-blox.com www.u-blox.com UBXDOC-132308279-12060 C3-Confidential 1/1

TO:

Federal Communication Commission Equipment Authorization Division Application Processing Branch 7435 Oakland Mills Rd Columbia, MD 21046 DATE: June 26, 2023 Cala Health 1800 Gateway Drive Suite 300 San Mateo, CA 94404 To Whom It May Concern:

Elite Electronic Engineering, Inc. is authorized to act on our behalf, until otherwise notified, for applications to Cala Health. 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, 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. Regards, Signed by (printed name): Jay Eggenberger Date: 06/26/2023 Confidential Page 1 of 1

TO:

Federal Communication Commission Equipment Authorization Division Application Processing Branch 7435 Oakland Mills Rd Columbia, MD 21046 DATE: June 26, 2023 the Commission adopted new FCC Pursuant to FCC 22-84 Report and Order and KDB 986446 D01 Covered Equipment v01, requirements to protect the nations networks that poses an unacceptable risk to national security and supply chains from equipment prohibit or the safety equipment surveillance List. of U.S. persons. Specifically, the Commission adopted rules that authorization for covered telecommunications equipment and video equipment produced by entities identified on the Commissions Covered Certifications equipment. Section 2.911(d)(5)(i)-(ii). FCC ID: 2AT2DS1 and 2AT2BS1 concerning covered

(the applicant) certifies that the Cala Health sought is not covered authorization pursuant to section 2.903 of the FCC rules. equipment prohibited from receiving an equipment equipment for which authorization is Cala Health certifies 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. Regards, Signed by (printed name):

Date:

06/27/2023 Jay Eggenberger Confidential Page 1 of 1

TO:

Federal Communication Commission Equipment Authorization Division Application Processing Branch 7435 Oakland Mills Rd Columbia, MD 21046 DATE:

Pursuant to FCC 22-84 Report and Order and KDB 986446 D01 Covered Equipment v01, the Commission adopted new FCC requirements to protect the nations networks and supply chains from equipment that poses an unacceptable risk to national security or the safety of U.S. persons. Specifically, the Commission adopted rules that prohibit equipment authorization for covered telecommunications equipment and video surveillance equipment produced by entities identified on the Commissions Covered List. As required by section 2.911(d)(7), Cala Health designates Dustin Bouch, Director of Product Development, to act as the applicants agent for service of process, regardless of whether the applicant is a domestic or foreign entity. 1. Cala Health Physical Address: 1800 Gateway Dr, Suite 300, San Mateo, CA 94404 2. Agent Email: dustin@calahealth.com 3. Cala Health FRN number: 0028654697 Regards, Signed by (printed name): Dustin Bouch Date: 7/17/2023 Confidential Page 1 of 1

TO:

Federal Communication Commission Equipment Authorization Division Application Processing Branch 7435 Oakland Mills Rd Columbia, MD 21046 To whom it may concern, We would like to submit for Certification to FCC: 2AT2DB1 & 2AT2DS1. Please find in the following application all related documentation to support this New Single Certification. We would appreciate your prompt attention to the submittal. Applicant Company name: Cala Health Contact Name: Jay Eggenberger Address: 1800 Gateway Dr. Suite 300, San Mateo, CA 94404 Telephone No: (415) 890-3961 Email: jay.eggenberger@calahealth.com FCC ID Number: 2AT2DB1, 2AT2DS1 Dated: 06/16/2023 Jay Eggenberger Principal Systems Engineer Confidential Page 1 of 1

REQUEST FOR CONFIDENTIALITY Name of Applicant: Cala Health Address: 1800 Gateway Drive, Suite 300 City: San Mateo, CA 94404 Country: United States of America FCCID: 2AT2DB1, 2AT2DS1 Pursuant to Sections 0.457(d) and 0.459 of the commissions rules, we hereby request that the following documents be held under confidentiality:

Long Term:

1. Schematics 2. Bill of Materials Short Term:

1. Architecture Diagrams The above information contains 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 competitors. Dated: 06/16/2023 Jay Eggenberger Principal Systems Engineer