KE3-3003678Low Power Transmitter

3505 Francis Circle Alpharetta, GA 30004 PH: 770-740-0717 www.ustech-lab.com October 29, 2020 SDOC ATTESTATION LETTER RE: Radio Systems Corporation, FCC: KE3-3003678 and IC: 2721A-3003678 On behalf of Radio Systems Corporation, we attest that SDoC Testing and a report have been completed for the Model RAC))-17201. The product meets all requirements and the report is on file and available for review if requested. Best Regards, Sandi McEnery Radio Systems Corporation

Radio Systems Corporation 10427 PetSafe Way, Knoxville, TN 37932 AGENCY AGREEMENT Federal Communications Commission Date: 7/31/2017 P.O. Box 429 Columbia, MD21045 Gentlemen: By signature below, we hereby appoint US Tech employees Sandi McEnery, Alan Ghasiani and George Yang to act as our agents with regard to all FCC equipment authorizations. This appointment will remain in effect until otherwise notified. I further certify by signature below that no party (per 47 CFR 1.2002(b)) to the application is subject to a denial of Federal benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). This appointment includes the authority to complete FCC Form 731 on our behalf and sign the application as an authorized agent. Name: Cindy Allen Signature: Title: Global Regulatory and Safety Manager Date:7/31/2017

Request for Confidentiality Date: October 29, 2020 Subject: Confidentiality Request for: FCC ID: KE3-3003678, IC: 2721A-3003678 Pursuant to FCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 12.4, the applicant requests that a part of the subject application be held confidential. Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagrams Short Term Permanent External Photos Short Term Permanent Internal Photos Short Term Permanent Operation Description/Theory of Operation Short Term Permanent Parts List & Placement/BOM Short Term Permanent Tune-Up Procedure Short Term Permanent Schematics Short Term Permanent Test Setup Photos Short Term Permanent User’s Manual Radio Systems Corporation has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. NOTE for Industry Canada Applications: The applicant understands that until such time that ISED distinguishes between Short Term and Permanent Confidentiality, either type of marked exhibit above will simply be marked Confidential when submitted to ISED. Sincerely, By:______________________ Sandi McEnery- Agent (Signature) (Print name/Title)

US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 1 of 4 External Photographs Figure 1. Top View US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 2 of 4 Figure 2. Bottom View US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 3 of 4 Figure 3. Side View 1 Figure 4. Side View 2 US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 4 of 4 Figure 5. Side View 3 Figure 6. Side View 4

US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 1 of 2 Sample label Figure 1. Label on Electronic Module US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 2 of 2 Figure 2. Electronic Module after Installation on Doorframe

US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 1 of 4 Internal Photographs Figure 1. EUT Door Frame Open Figure 2. Electronic Module Lifted US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 2 of 4 Figure 3. Back Electronic Module Figure 4. Front Electronic Module US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 3 of 4 Figure 5. PCB Display Side US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 4 of 4 Figure 6. PCB Component Side

Page 1 of 20 Application For Title 47 USC Part 2, Subpart J, Paragraph 2.907 Equipment Authorization of Certification for an Intentional Radiator per Part 15, Subpart C, Paragraphs 15.207 and 15.209 And Industry Canada, Radio Standards Specifications: RSS Gen Issue 5 and RSS-210 Issue 10 For the Radio Systems Corporation Invisible Fence Brand Doorman 1.5 Electronic Pet Door Electronic module Model: RAC00-17201 FCC ID: KE3-3003678 IC: 2721A-3003678 Issue Date: October 29, 2020 Test Dates: October 14, 15, 16 & 27, 2020 UST Project No.: 20-0274 Total Pages in This Report : 20 3505 Francis Circle Alpharetta, GA 30004 PH: 770-740-0717 Fax: 770-740-1508 www.ustech-lab.com Page 2 of 20 I, Alan Ghasiani, certify that I am authorized to sign for the Test Agency and that all of the statements in this report and in the Exhibits attached hereto are true and correct to the best of my knowledge and belief: US TECH (Agent Responsible For Test): Name: Alan Ghasiani Signature: Title: Compliance Engineer – President Date: October 29, 2020 This report shall not be reproduced except in full. This report may be copied in part only with the prior written approval of US Tech. The results contained in this report are subject to the adequacy and representative character of the sample provided. This report must not be used to claim product certification, approval, or endorsement by NVLAP, NIST or any agency of the Federal Government. 3505 Francis Circle Alpharetta, GA 30004 PH: 770-740-0717 Fax: 770-740-1508 www.ustech-lab.com US Tech Test Report: FCC Part 15.207/209 Certification/ RSS-210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 3 of 18 MEASUREMENT TECHNICAL REPORT COMPANY NAME: Radio Systems Corporation MODEL: RAC00-17201 FCC ID: KE3-3003678 IC ID: 2721A-3003678 DATE: October 29, 2020 This report concerns (check one): ☒Original grant ☐Class II Permissive Change Equipment type: Low Power Transmitter General Field Limits (9 kHz–30 MHz) Transmitter details: Frequency of operation: 10.7 kHz Type of modulation: OOK Data/Bit Rate: 3 Hz Antenna Gain: integral antenna Maximum Output Power: 96.75 dBuV/m @ 3 meter Software used to program EUT: N/A EUT firmware number: 820-357 Rev. 105 Power setting: Maximum setting Summary of Test Results FCC & ISED Rule Description of Test Result RSS-Gen 6.7 99% Occupied Bandwidth PASS 15.209 & RSS-Gen 6.13, RSS-210, 7.2 Spurious Radiated Emissions PASS 15.207 & RSS-Gen 8.8, RSS- 210, 7.2 Power line Conducted Emissions N/A US Tech Test Report: FCC Part 15.207/209 Certification/ RSS-210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 4 of 18 Table of Contents Paragraph Title Page 1 General Information .......................................................................................... 6 1.1 Purpose of this Report .................................................................................. 6 1.2 Characterization of Test Sample ................................................................... 6 1.3 Product Description ...................................................................................... 6 1.4 Configuration of Tested System .................................................................... 7 1.5 Test Facility ................................................................................................... 7 2 Tests and Measurements ................................................................................. 9 2.1 Test Equipment ............................................................................................. 9 2.2 Modifications to EUT Hardware .................................................................... 9 2.3 Number of Measurements for Intentional Radiators (15.31(m)) .................. 10 2.4 Frequency Range of Radiated Measurements (Part 15.33)........................ 10 2.4.1 Intentional Radiator .................................................................................. 10 2.4.2 Unintentional Radiator ............................................................................. 10 2.5 Measurement Detector Function and Bandwidth (CFR 15.35) ................... 11 2.5.1 Detector Function and Associated Bandwidth ...................................... 11 2.5.2 Corresponding Peak and Average Requirements ................................ 11 2.5.3 Pulsed Transmitter Averaging .............................................................. 11 2.6 EUT Antenna Requirements (CFR 15.203) ................................................ 12 2.7 Restricted Bands of Operation (Part 15.205) .............................................. 12 2.8 Intentional Radiator, Power Line Conducted Emissions (CFR 15.207) ....... 12 2.9 Intentional Radiator, Radiated Emissions (CFR 15.209, (IC RSS 210)) ..... 12 2.10 99% Occupied Bandwidth (IC RSS Gen, 6.7) ............................................ 13 2.11 AC Power line Emissions (CFR 15.207) ..................................................... 15 2.12 Intentional Radiator, Spurious Radiated Emissions (CFR 15.209) ............. 15 2.13 Radiated Emission Limits - General Requirements ................................. 15 2.14 Measurement Uncertainty ....................................................................... 18 2.14.1 Conducted Emissions Measurement Uncertainty .................................. 18 2.14.2 Radiated Emissions Measurement Uncertainty ......................................... 18 30 MHz to 200 MHz at 3 m: .............................................................................. 18 200 MHz to 1000 MHz at 3 m: .......................................................................... 18 Above 1 GHz at 3 m: ........................................................................................ 18 3 Conclusions ..............................................…

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US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 1 of 5 TEST CONFIGURATION PHOTOGRAPHS Figure 1. Radiated Emissions Test Setup US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 2 of 5 Figure 2. Radiated Emissions Test Setup, 9 kHz to 30 MHz US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 3 of 5 Figure 3. Radiated Emissions Test Setup, 30 MHz to 200 MHz US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 4 of 5 Figure 4. Radiated Emissions Test Setup, 200 MHz to 1 GHz US Tech Test Report: FCC Part 15 Certification/ RSS 210 FCC ID: KE3-3003678 IC: 2721A-3003678 Test Report Number: 20-0274 Issue Date: October 29, 2020 Customer: Radio Systems Corporation Model: RAC00-17201 Page 5 of 5 Figure 5. Radiated Emission Test Setup, above 1 GHz