2AC2O-CHU200MPMobile Secure Payment Terminal with NFC Transmitter

Windcave Limited 33 Wilkinson Road, Ellerslie Auckland 1060 New Zealand 12 January 2021 EMC Technologies NZ Ltd 47 Mackelvie Street Grey Lynn Auckland 1021 To Whom It May Concern I hereby authorize Andrew Cutler, General Manager of EMC Technologies NZ Ltd to act on Windcave Ltd behalf with regard to FCC and ISED Certification of the CHU200MP transmitter. FCC ID: 2AC2O-CHU200MP ISED ID: 26550-CHU200MP Contains: 4G modem FCC ID: N7NHL78; IC: 2417C-HL78 WIFI modem FCC ID: N7NBX31A; IC: 2417C-BX31A Yours Sincerely Cameron Collard Global Head of Compliance Risk & PMO Windcave Limited

Windcave Limited 33 Wilkinson Road, Ellerslie Auckland 1060 New Zealand 12 January 2021 Federal Communications Commission Equipment Authorisation Branch 7435 Oakland Mills Road Columbia, MD21046 United States of America Subject: Third Party Confidentiality Request for Exhibits under FCC ID: 2AC2O-CHU200MP To Whom It May Concern: Pursuant of Section 0.457 and 0.459 of the Commission’s Rules and KDB 726920 D01 Confidentiality Request Procedures, we hereby request that the exhibits listed below, submitted in support of the certification application for FCC ID: 2AC2O- CHU200MP, be withheld permanently from public disclosure:  Schematics  Block Diagram  Operational Description  Internal Photographs  Hardware Guide The above exhibits, owned solely by Windcave Limited, contain trade secrets and proprietary information which is not routinely available to the public or to our competitors. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Confidentiality of the internal photographs is specifically sought because the device could be re- engineered from the photographs. Windcave Limited 33 Wilkinson Road, Ellerslie Auckland 1060 New Zealand Windcave controls information about and access to the device as follows:  The schematics, internal photographs and the like are only used internally by Windcavee or by those 3 rd parties as are required to complete product testing.  User manuals do not include schematics, internal photographs, detailed descriptions of device operation or detailed block diagrams.  To meet strict Payment Card Industry (www.pcisecuritystandards.org) security requirements, the devices include security mechanisms which disable the device if it is opened and prevent the modification of the firmware by the user.  The PCI Security Standards require that all devices are returned to Windcave Ltd. at their end of life. Therefore Section 7.6 of the Windcave Customer Contract states: “Consequences of termination: On the termination of this Agreement, you must immediately: a) return all Windcave Limited Products to Windcave Limited...” The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Yours sincerely Cameron Collard Global Head of Compliance Risk & PMO Windcave Limited

Windcave Limited 33 Wilkinson Road, Ellerslie Auckland 1060 New Zealand United States of America Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 11/19/2020 SUBJECT: FCC Application for 2AC2O-CHU200MP To Whom It May Concern: We, the undersigned, hereby attest to the fact that we will apply the Declaration of Conformity procedure to the class B computer peripheral portion of this composite filing. Regards, Cameron Collard Global Head of Compliance Risk & PMO Windcave Limited

____________________________________________________________________________________________________________________________________________________________________________ Page 16 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. 9. PHOTOGRAPHS External Views ____________________________________________________________________________________________________________________________________________________________________________ Page 17 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. ____________________________________________________________________________________________________________________________________________________________________________ Page 18 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full.

____________________________________________________________________________________________________________________________________________________________________________ Page 1 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. EMC Technologies (NZ) Ltd 47 Mackelvie St, Grey Lynn Auckland 1021 New Zealand Phone 09 360 0862 Fax 09 360 0861 E-Mail Address: [email protected] Web Site: www.emctech.co.nz TEST REPORT Windcave CHU200MP Handheld Payment Terminal tested to the specification 47 Code of Federal Regulations Part 15 - Radio Frequency Devices Subpart C – Intentional Radiators Section 15.225 Operation within the band 13.110 -14.010 MHz for Windcave Ltd This test report is issued with the authority of: ______________________________ Andrew Cutler - General Manager ____________________________________________________________________________________________________________________________________________________________________________ Page 2 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. Table of Contents 1. STATEMENT OF COMPLIANCE 3 2. RESULTS SUMMARY 3 3. INTRODUCTION 4 4. CLIENT INFORMATION 4 5. DESCRIPTION OF TEST SAMPLE 5 6. SETUPS AND PROCEDURES 6 7. TEST EQUIPMENT USED 15 8. ACCREDITATIONS 15 9. PHOTOGRAPHS 16 ____________________________________________________________________________________________________________________________________________________________________________ Page 3 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. 1. STATEMENT OF COMPLIANCE The Windcave CHU200MP Handheld Payment Terminal complies with FCC Part 15 Subpart C Section 15.225 as an Intentional Radiator when the methods as described in ANSI C63.10 - 2013 are applied. 2. RESULTS SUMMARY The results from testing carried out between August 24 th and September 4 th , 2020 are detailed in the following table: Clause Parameter Result 15.201 Equipment authorisation requirement Certification required. 15.203 Antenna requirement Complies. Antenna internal to the device. 15.204 External PA and antenna modifications Not applicable. No external devices. 15.205 Restricted bands of operation Complies. Device transmits on a nominal frequency of 13.560 MHz. 15.207 Conducted limits Complies. 15.209 Radiated emission limits - Emissions < 30 MHz Complies. 15.209 Radiated emission limits – Emissions > 30 MHz Complies. 15.225 Radiated emission limits - Fundamental Complies. 15.225 Frequency stability Complies. ____________________________________________________________________________________________________________________________________________________________________________ Page 4 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. 3. INTRODUCTION This report describes the tests and measurements performed for the purpose of determining compliance with the specification. The client selected the test sample. This report relates only to the sample tested. This report contains no corrections or erasures. Measurement uncertainties with statistical confidence intervals of 95% are shown below test results. Both Class A and Class B uncertainties have been accounted for, as well as influence uncertainties where appropriate. All compliance statements have been made with respect of the specification limit with no reference to the measurement uncertainty. All testing was carried out as per the standard in the worst-case configuration with no deviations being applied. 4. CLIENT INFORMATION Company Name Windcave Ltd Address 33 Wilkinson Rd, Ellerslie State Auckland 1060 Country New Zealand Contact Oscar Zhao ____________________________________________________________________________________________________________________________________________________________________________ Page 5 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. 5. DESCRIPTION OF TEST SAMPLE Brand Name Windcave Product Handheld Payment Terminal Model Number CHU200MP Manufacturer Windcave Limited Country of Origin New Zealand Serial Number 2620290005 Firmware Version V1.3.8.1X-t1 FCC ID 2AC2O-CHU200MP The device tested is a Near Field Contactless Secure Card Reader (NFC Card Reader) that operates on 13.560 MHz. The device also contains FCC certified modules for the following - 2.4 GHz WiFi module. FCC ID: N7NBX31A - 4G Cat M1 cellular modem. FCC ID: N7NHL78 Testing was carried out when the device under test was attached to a laptop computer using a USB to UART converter that was attached to the USB port on the laptop computer. The UART convertor was attached to the device using a 1.2 metre length of Ethernet cable with the UART converter powering the device under test. The client has declared the highest frequency in use in the device under test to be less then 108 MHz. Testing was carried out using a laptop computer that used Windcave CHU200MP EMC Test software Version 1.00 to exercise the test sample using the Emissions and NFC options. In Emissions mode the NFC transmitter was modulated and in NFC mode the NFC transmitter operated with an unmodulated carrier. ____________________________________________________________________________________________________________________________________________________________________________ Page 6 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. 6. SETUPS AND PROCEDURES Standard The sample was tested in accordance with 47 CFR Part 15 Subpart C. Methods and Procedures The measurement methods and procedures as described in ANSI C63.10 - 2013 were used. Section 15.201: Equipment authorisation requirement Certification as detailed in Subpart J of Part 2 is required for this device. Section 15.203: Antenna requirement The device has a permanently attached internal 13.560 MHz antenna. Result: Complies. Section 15…

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____________________________________________________________________________________________________________________________________________________________________________ Page 19 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. Conducted emissions test set up ____________________________________________________________________________________________________________________________________________________________________________ Page 20 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. Conducted emissions test set up cont. ____________________________________________________________________________________________________________________________________________________________________________ Page 21 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. Radiated emissions test set up ____________________________________________________________________________________________________________________________________________________________________________ Page 22 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. Radiated emissions test set up. Cont. ____________________________________________________________________________________________________________________________________________________________________________ Page 23 of 23 Test Report No 200806.1 18 th September 2020 This report may not be reproduced except in full. Radiated emissions test set up. Cont. Test Shed showing the use of a Biconical Antenna ____________________________________________________________________________________________________________________________________________________________________________ Test shed showing the use of a log periodic antenna ____________________________________________________________________________________________________________________________________________________________________________ Test shed showing a loop antenna in use.