2ALTW170116LHW 1701 E 1.6

Salunda Limited - Confidentiality Agreement (Two-Way) - Page 1 of 4 THIS AGREEMENT IS DATED 4 th May 2017 PARTIES (1) Salunda Limited incorporate and registered in England and Wales with company number 05230854 whose registered office is at 6, Avonbury Business Park, Howes Lane, Bicester, Oxfordshire, OX26 2UA, United Kingdom (Salunda) ; and (2) ________. With company number 2500898 whose registered address is at __________________, United Kingdom, _______ (Customer). BACKGROUND Salunda and Customer desire to exchange certain Confidential Information about themselves including but not limited to such product, hardware, software, technical, operational, business, financial, procedural and other proprietary information as each party determines, in its sole discretion, is reasonably necessary or desirable to disclose for the purposes of evaluation, testing and use of oilfield equipment monitoring applications and equipment (Purpose). In consideration of the benefits to the parties of the disclosure of the Confidential Information, the parties have agreed to comply with the following terms in connection with the use and disclosure of Confidential Information. AGREED TERMS 1. DEFINITIONS AND INTERPRETATION 1.1 “Commencement Date” means 1 May 2017. “Confidential Information” means all confidential information disclosed by the Disclosing Party or its Representatives to the Receiving Party and its Representatives from the Commencement Date of this Agreement, including but not limited to any information relating to the finances, business affairs, customers, clients, suppliers, plans, intentions, or market opportunities of the Disclosing Party; and the Intellectual Property, technology, operations, processes, technical data, inventions, product development plans, manufacturing, engineering, product information, internal product photographs, product specification, guides and materials, know-how, product designs, manuals or instructions for use of the products or software of the Disclosing Party; and any information or analysis derived from Confidential Information. Confidential Information shall be disclosed in documentary or tangible form and marked “Confidential” or “Proprietary.” In the case of disclosures in non-documentary form, made orally or by visual inspection, the Disclosing Party shall confirm in writing the fact and general nature of each such disclosure within thirty (30) days after it is made. Notwithstanding the foregoing, it is agreed that failure to mark documents or reduce oral disclosures to writing shall not alleviate the Receiving Party of its obligations under this Agreement if the disclosed information would reasonably be considered confidential based upon the nature of the information or the circumstances surrounding its disclosure 1.2 “Disclosing Party” means a party to this Agreement which discloses or makes available directly or indirectly Confidential Information to the Receiving Party. 1.3 Receiving Party” means a party to this Agreement which receives or obtains directly or indirectly Confidential Information. 1.4 “Representative” means employees, agents and other representatives of a party. 1.5 “Intellectual Property” means patents, rights to inventions, copyright and related rights, trade marks and service marks, business names and domain names, rights in get-up and trade dress, goodwill and the right to sue for passing off, rights in designs, product specification and information, rights in computer software, source codes, database rights, rights to use, and protect the confidentiality of, confidential information (including know-how and trade Salunda Limited - Confidentiality Agreement (Two-Way) - Page 2 of 4 secrets) and all other intellectual property rights and all similar or equivalent rights or forms of protection which subsist or will subsist now or in the future in any part of the world. 1.6 For the purposes of this Agreement, information shall not be deemed to be Confidential Information if such information: 1.6.1 is or becomes generally available to the public other than as a result of disclosure by the Receiving Party or its Representatives; or 1.6.2 is known by the Receiving Party prior to disclosure by the Disclosing Party; or 1.6.3 is or becomes available to the Receiving Party or its Representatives from a source not under obligation of confidentiality to the Disclosing Party; or 1.6.4 can be demonstrated through written records to have been independently developed by the Receiving Party without the use of or reference to the Confidential Information of the Disclosing Party. 2. OBLIGATIONS OF THE RECEIVING PARTY 2.1 The existence and terms of this Agreement and the existence of any discussions between the parties under this Agreement are Confidential Information of both parties and are protected by each party’s obligations of confidentiality hereunder. 2.2 Each party shall use the Confidential Information solely for the Purpose. The Receiving Party will not disclose or otherwise make known any of the Confidential Information of the Disclosing Party to anyone, except those of its Representatives who have a need to know the Confidential Information for the Purpose and who are bound by the non- use and non-disclosure obligations set forth in this Agreement. Each party shall accept the disclosures of the Confidential Information by the other party on a confidential basis and shall exercise the same degree of care with respect to the other party’s Confidential Information as it would its own Confidential Information. 2.3 The Receiving Party may disclose Confidential Information to the extent such Confidential Information is required to be disclosed by law, by any governmental or other regulatory authority, or by a court or other authority of competent jurisdiction provided that, to the extent it is legally permitted to do so, it gives the Disclosing Party as much notice of this disclosure as possible and, so that the Disclosing Party may seek a protective …

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Salunda Limited 6 Avonbury Business Park Howes Lane, Bicester Oxfordshire OX26 2UA United Kingdom Tel.: +44 (0)1869 843120 E-mail: [email protected] Web: www.salunda.com Salunda Ltd. Registered in England No 5230854 Registered Office: 6 Avonbury Business Park, Howes Lane, Bicester, OX26 2UA Declaration of Authorization We Name: Salunda Ltd Address: 6 Avonbury Business Park, Howes Lane City: Bicester Country: United Kingdom Declare that: Name Representative of agent: Daniel Sims Agent Company name: RN Electronics Ltd Address: Arnolds Court, Arnolds Farm Lane City: Mountnessing, Brentwood Country: United Kingdom is authorized to apply for Certification of the following product(s): Product description: LHW 1701 E Type designation: 1.6 Trademark: Latch Hawk Validity/expiry date: 25 October 2023 on our behalf. Date: November 28 th , 2022 City: Bicester Name: Grant Nicholls Function: Engineering Director Signature:

FCC, Request for non-disclosure Date: 01-Nov-2022 RF_501, Issue 8 Page 1 of 1 Company Name: Salunda Ltd Address: Unit 6, Avonbury Business Park City: Bicester Country: United Kingdom To: Telefication B.V., Dept. FCC TCB Edisonstraat 12A 6902 PK ZEVENAAR The Netherlands Subject: Request for confidentiality FCC ID: 2ALTW170116 Reference number: ###### Dear FCC TCB, 1. Long-Term Confidentiality Pursuant to 47 CFR Section 0.459(a) & (b), we hereby requests non-disclosure and confidential treatment of the following materials submitted in support of FCC certification application: Bill(s) of Material Block Diagrams Operational Description Schematic Diagrams Tune-up Procedure Internal Photos User Manual Above materials contain secrets, proprietary and technical information, which would customarily be guarded from competitors under 47 CFR, section 0.457(d)(2). Disclosure or publication or any portion of this company confidential material to other parties could cause substantial competitive harm and provide unjustified benefits for competitors. Salunda Limited 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. The user manual contains proprietary technical information, all sales and distribution of the of the user manual is under NDA that restricts the disclosure of the information. Internal photos and user manuals are prevented from becoming public or disclosed by means of not making the document available online and by NDA between Salunda and the party receiving internal photos or user manuals. The subject is not serviceable item and therefore no service documents are available to professional designated technicians. All sales of the subject are under NDA including third party sales and that the final user of the device is subject to the NDA. 2. Short-Term Confidentiality (STC) Pursuant to Public Notice DA 04-1705 of the Commission’s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the importation rules in 47 CFR §2.1204, applicant hereby requests Short-Term Confidential treatment of the following materials (See notes below): Internal Photos User’s Manual Test Set-up Photos External Photos FCC, Request for non-disclosure Date: 01-Nov-2022 RF_501, Issue 8 Page 1 of 1 Justification: Date: 25 th November 2022 Name and signature of applicant: Daniel Sims (Agent) Notes: 1) A document or type of document can only have ONE type of confidentiality! 2) Short-Term confidentiality is in principle for 45 days from date of grant; it can be extended max 3 times (total time 180 days max.)! The planned date should stated in the RF731 application form. 3) FCC must be informed when marketing begins earlier. 4) Release takes place automatically thus extension must be requested in time. Telefication does not remind you of this! 5) Request for extension or for release must be received by Telefication at least 7 days before date of actual marketing or before expiration of the STC period

Salunda Limited 6 Avonbury Business Park Howes Lane, Bicester Oxfordshire OX26 2UA United Kingdom Tel.: +44 (0)1869 843120 E-mail: [email protected] Web: www.salunda.com Salunda Ltd. Registered in England No 5230854 Registered Office: 6 Avonbury Business Park, Howes Lane, Bicester, OX26 2UA Declaration of Non-Denial of federal benefits & acceptance of grantee responsibilities Name: Salunda Ltd Address: 6 Avonbury Business Park, Howes Lane City: Bicester, OX26 2UA Country: United Kingdom 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 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. Date: November 1 st , 2022 Name: Grant Nicholls Function: Engineering Director Signature:

Salunda Limited 6 Avonbury Business Park Howes Lane, Bicester Oxfordshire OX26 2UA United Kingdom Tel.: +44 (0)1869 843120 E-mail:[email protected] Web:www.salunda.com Salunda Ltd. Registered in England No 5230854 Registered Office: 6 Avonbury Business Park, Howes Lane, Bicester, OX26 2UA Salunda Ltd – October 26 th , 2022 FCC ID 2ALTW170116 Required Exhibits for FCC Certification External Photos 1.1 EUT Front View Salunda Limited 6 Avonbury Business Park Howes Lane, Bicester Oxfordshire OX26 2UA United Kingdom Tel.: +44 (0)1869 843120 E-mail:[email protected] Web:www.salunda.com Salunda Ltd. Registered in England No 5230854 Registered Office: 6 Avonbury Business Park, Howes Lane, Bicester, OX26 2UA 1.2 EUT Rear View Salunda Limited 6 Avonbury Business Park Howes Lane, Bicester Oxfordshire OX26 2UA United Kingdom Tel.: +44 (0)1869 843120 E-mail:[email protected] Web:www.salunda.com Salunda Ltd. Registered in England No 5230854 Registered Office: 6 Avonbury Business Park, Howes Lane, Bicester, OX26 2UA 1.3 1.2 EUT Reverse Angle Salunda Limited 6 Avonbury Business Park Howes Lane, Bicester Oxfordshire OX26 2UA United Kingdom Tel.: +44 (0)1869 843120 E-mail:[email protected] Web:www.salunda.com Salunda Ltd. Registered in England No 5230854 Registered Office: 6 Avonbury Business Park, Howes Lane, Bicester, OX26 2UA 1.4 1.3 EUT Left side View Salunda Limited 6 Avonbury Business Park Howes Lane, Bicester Oxfordshire OX26 2UA United Kingdom Tel.: +44 (0)1869 843120 E-mail:[email protected] Web:www.salunda.com Salunda Ltd. Registered in England No 5230854 Registered Office: 6 Avonbury Business Park, Howes Lane, Bicester, OX26 2UA 1.4 EUT Right side View Salunda Limited 6 Avonbury Business Park Howes Lane, Bicester Oxfordshire OX26 2UA United Kingdom Tel.: +44 (0)1869 843120 E-mail:[email protected] Web:www.salunda.com Salunda Ltd. Registered in England No 5230854 Registered Office: 6 Avonbury Business Park, Howes Lane, Bicester, OX26 2UA 1.5 Markings Salunda Limited 6 Avonbury Business Park Howes Lane, Bicester Oxfordshire OX26 2UA United Kingdom Tel.: +44 (0)1869 843120 E-mail:[email protected] Web:www.salunda.com Salunda Ltd. Registered in England No 5230854 Registered Office: 6 Avonbury Business Park, Howes Lane, Bicester, OX26 2UA Salunda Limited 6 Avonbury Business Park Howes Lane, Bicester Oxfordshire OX26 2UA United Kingdom Tel.: +44 (0)1869 843120 E-mail:[email protected] Web:www.salunda.com Salunda Ltd. Registered in England No 5230854 Registered Office: 6 Avonbury Business Park, Howes Lane, Bicester, OX26 2UA Salunda Limited 6 Avonbury Business Park Howes Lane, Bicester Oxfordshire OX26 2UA United Kingdom Tel.: +44 (0)1869 843120 E-mail:[email protected] Web:www.salunda.com Salunda Ltd. Registered in England No 5230854 Registered Office: 6 Avonbury Business Park, Howes Lane, Bicester, OX26 2UA

THIS DRAWING IS UNCONTROLLED WHEN VIEWED OUTSIDE OF SALUNDA'S PDM SYSTEM. = 0.5mm = 0.25mm = 0.1mm = 0.5° TOLERANCES 0 0.0 0.00 ANGLES SURFACE FINISH SQUARENESS PARALLELISM RUNOUT 1.6 μm Ra MAX 0.05 IN 25 MAX 0.05 IN 25 MAX 0.1 MAX ALL DIMENSIONS IN mm UNLESS OTHERWISE STATED LHW SEALED SENSOR ASSEMBLY SA-06626 L22-052 GN 17/06/2021 MD PART No: DESCRIPTION REVCHANGE NOTE: DATE: CHECKED BY: DRAWN BY: TREATMENT: MATERIAL: IF IN DOUBT ASK CONTAINS TRADE SECRETS - CONFIDENTIAL AND PROPRIETARY INFORMATION BELONGING TO SALUNDA - REPRODUCTION, DISTRIBUTION OR DISCLOSURE IS STRICTLY PROHIBITED PROPORTIONAL - DO NOT SCALE SHEET 1 OF 1 SHEET SIZE A3 PROJECTION 3rd ANGLE +44(0)1865 331000 www.salunda.com APPROVED BY: CW NONE N/A REMOVE ALL SHARP EDGES AND BURRS. SUPPLY DEGREASED AND CLEANED. MARK WITH PART No. AND REVISION No. MASS: 0.05 Kg SALUNDA LOGO PER ES-P-005 TEXT HEIGHT 2.0mmTEXT HEIGHT 2.0mm YEAR OF MANUFACTURE AS PER PURCHASE ORDER NUMBER EX MARK AS PER DIRECTIVE 2014/34/EU OF THE EUROPEAN PARLIAMENT SYMBOL HEIGHT 2.3mm CE MARK AS PER EC REGULATION NO 765/2008 SYMBOL HEIGHT 2.3mm WEEE SYMBOL AS PER EN 50419:2006. SYMBOL HEIGHT 2.5mm ATEX CERTIFICATE NUMBER AS PER PURCHASE ORDER IECEx CERTIFICATE NUMBER AS PER PURCHASE ORDER CAUTION WARNING SIGN PER ISO 3864-1 SYMBOL HEIGHT 2.5mm REFER TO INSTRUCTION MANUAL SYMBOL SYMBOL HEIGHT 2.5mm INMETRO MARK BOX HEIGHT 11mm OCP 0160 CPEx 22.0244X FCC CERTIFICATE NUMBER AS PER PURCHASE ORDER IECEx CERTIFICATE NUMBER AS PER PURCHASE ORDER ARROW INDENTED ON TOP FACE MUST POINT TOWARDS MARKINGS MAIN MARKING ON THIS SIDE NOTE POSITION OF PROTRUSIONS REAR VIEW OF SENSOR SERIAL NUMBER AS PER PURCHASE ORDER TEXT HEIGHT 10.0mm COMPRESSED TO FIT FACE WIDTH DATA MATRIX WITH SERIAL NO. AS PER PURCHASE ORDER DATA MATRIX HEIGHT 7.0 / 6.0mm DATA MATRIX MUST BE FILLED CPEX WARNING TEXT HEIGHT 1.0mm NOTES: LASER ETCH DETAIL ON TO ASSEMBLY NUMBER SA-06626 - CLARITY OF TEXT AND LEGIBILITY IS CRITICAL1. ALL TEXT AS SHOWN: FONT OPEN SANS; HEIGHT 1.20mm - EXCEPT AS STATED; SIZE +/- 0.25mm2. THE TEXT CONTAINED WITHIN THE HIGHLIGHTED BOXES IS REQUIRED FOR CERTIFICATION PURPOSES ONLY.3. CERTIFICATION LEVEL AND MARKING REQUIREMENTS WILL BE CONFIRMED ON THE PURCHASE ORDER.4. DO NOT LASER ETCH THE HIGHLIGHTED BOX LINES.5. MARKING DETAIL IN HIGHLIGHTED BOX IS REQUIRED FOR ATEX / IECEX CERTIFIED PRODUCT ONLY. THIS MUST NOT BE 6. MARKED ON NON-CERTIFIED PRODUCT MARKING DETAIL IN HIGHLIGHTED BOX IS REQUIRED FOR CPEX7. MARKING DETAIL IN HIGHLIGHTED BOX IS REQUIRED FOR INMETRO CERTIFIED PRODUCT ONLY. THIS MUST NOT BE 8. MARKED ON NON-CERTIFIED PRODUCT MARKING DETAIL IN HIGHLIGHTED BOX IS REQUIRED FOR UKEX 9. LASER ETCHING OPERATION A F B E D C 46 8 1 3572 54 1 6 8 237 E C A B D F ExR- EX RELATED DRAWING - NO CHANGES WITHOUT THE APPROVAL OF THE DESIGN AUTHORITY / AUTHORISED PERSON A F B E D C 46 8 1 3572 54 1 6 8 237 E C A B D F

RN Electronics Ltd, Arnolds Court, Arnolds Farm Lane, Brentwood, Essex, CM13 1UT, England. Registered No. UK 3051259. VAT No. 475 2328 39 Web: www.RNElectronics.com Email: [email protected] Latch Hawk Wireless 1701 E (EUT) RF Exposure:- The LHW 1701 E sensor is intended as a fixed device attached to equipment where monitoring of latch position/status is required. A person’s body would not normally be within 20cm of the device. Evaluation is for exposure potential against the Exclusion limits given in KDB447498 D01 v06 section 4.3.1. Exclusion requirements are based upon 1g SAR exclusion for body. Equation of 4.3.1. part 1A Transposed is: Exclusion in mW = ((Threshold / (√F) * D where: Threshold = 3 for 1g SAR body F = Frequency in GHz (2.402GHz) D = Separation distance in mm (200mm) Threshold in mW for 2402MHz = 96.78 mW (power allowed at numeric threshold for 50mm)(step a) Threshold in mW for 2402 MHz is based on equation above and 4.3.1. part b)2) (excerpt below) b) For 100 MHz to 6 GHz and test separation distances > 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: 2) {[Power allowed at numeric threshold for 50 mm in step a)] + [(test separation distance –50 mm)·10]} mW, for > 1500 MHz and ≤6 GHz =96.78mW+ ((200mm-50mm) * 10) = 1596.784265 mW As measured conducted values for the EUT were: 6.58 dBm (4.55 mW) Peak, (See RN report Salunda Ltd.13658-4.pdf) then the EUT is excluded from RF Exposure / SAR testing requirements before any duty cycle (source-based time averaged maximum conducted power) conditions are even applied. This calculation was prepared by Daniel Sims of RN Electronics Ltd, Acting as Agent towards FCC certification. Date: 20 th November 2022 Signed: (Radio Approvals Manager)

2.4 GHz SMD, Above Metal, Low Profile Mini Chip Antenna P/N 2450AT42E010B This antenna will generally have a metal layer directly underneath for proper operation, exceptions may apply. Detail Specification: Page 1 of 9 1 L ±± 2 W ±± 3 T ±± 4 a ±± b ±± C https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2021 Johanson Technology, Inc. All Rights Reserved GND All sales are subject to Johanson Technology, Inc. terms and conditions. 1 Make sure to have Pin 2 soldered to its PCB land pad but not connected to GND or input, it must be NC (or floating). 0.0200.0080.500.20 0.1970.0085.000.20 0.0590.0081.500.20 NC 1 0.0790.0082.000.20 GND Ver. 5.1 Johanson Technology, Inc. reserves the right to make design changes without notice. 0.0590.0081.500.20 0.012 max0.30 max High Frequency Ceramic Solutions 10/28/2021 *Evaluation boards 1 and 2 are meant to demonstrate the difference in performance achievable with different substrate thicknesses. Part Number Explanation This antenna was designed in mind for small coin cell, wearable, IoT, 2.4 BLE, 802.11, ISM, Zigbee, etc. applications in close-range networks where metal or a battery/display covers the entire length or side of the PCB or encasement must be present directly under the antenna and there's no room for usual/typical antenna metal clearance. Impedance (Ω) Power Capacity (W) -40 to +85°C +5 to +35°C Humidity 45 - 75% RH 50 2 max. (CW) 2,000 General Specifications Part Number Frequency (MHz) Mechanical SpecificationsTerminal Configuration Inmm Feeding Point 2450AT42E010B 2400 - 2480 -1.0 (YZ-V) EVB1* 2.7 min. EVB2 * 3.5 min. -1.0 (YZ-V) Suffix = S Suffix = E 18 months max. Return Loss (dB) Peak Gain (dBi typ.) Average Gain (dBi typ.)-3.5 (YZ-V)-5.0 (YZ-V) Evaluation Board 2 2450AT42E010B-EB2SMA (comes with 1 female SMA connector) P/N Suffix E.g. 2450AT42E010BS E.g. 2450AT42E010BE Evaluation Board 1 Packing Style 2450AT42E010B-EB1SMA (comes with 1 female SMA connector) Bulk (loose pcs.) T & R Reel Quantity (pcs./reel) Operating Temp Recommended Storage Conditions and Period for unused Product on T&R Antenna mounts directly above or below the metal layer of PCB. No antenna clearance required ever again! b T a b    L W c Top View Bottom View Side View 2.4 GHz SMD, Above Metal, Low Profile Mini Chip Antenna P/N 2450AT42E010B This antenna will generally have a metal layer directly underneath for proper operation, exceptions may apply. Detail Specification: Page 2 of 9 https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2021 Johanson Technology, Inc. All Rights Reserved Mounting Consideration 1: Evaluation Board 1 (Thickness = 1.5mm) Ver. 5.1 High Frequency Ceramic Solutions Johanson Technology, Inc. reserves the right to make design changes without notice. 10/28/2021 *Line width should be designed to match 50ohm characteristic impedance, depending on PCB material and thickness. A coplanar waveguide trace is recommended for best results. For this particular antenna It is recommended that the designer leave available slots for the matching network, even if all slots won't be used, this will prepare the PCB for the unpredictable final mass production version of the matching circuit. The antenna matching network values above are used when antenna is mounted on Johanson's evaluation board. The matching values on client’s PCB will be different. To order a pre-tuned 50 Ω EVB with a female SMA connector you see here Click here: https://www.johansontechnology.com/request-a-sample Reference p/n: 2450AT42E010B-EB1SMA All sales are subject to Johanson Technology, Inc. terms and conditions. Metal bottom GND plane to be placed directly underneath yellow soldemask zone, covering entire area. 1.5 nH Matching circuit 1.5mm 0.3mm 2mm 1.5mm 0.6mm 1.0mm 0.6mm 0.5mm 0.63mm 0.63mm Floating pad 3mm 6.26mm     * Ground Plane (where other SMD components will be mounted) 30mm 6.26mm 50mm 50Ω Feed Line 3mm Top View Bottom View Ground Want the layout file? Send us a message at: https://www.johansontechnology.com/ask-a-question p/n: 2450AT42E010B-EB1SMA Matching circuit 2.4 GHz SMD, Above Metal, Low Profile Mini Chip Antenna P/N 2450AT42E010B This antenna will generally have a metal layer directly underneath for proper operation, exceptions may apply. Detail Specification: Page 3 of 9 https://www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2021 Johanson Technology, Inc. All Rights Reserved Ver. 5.1 *Line width should be designed to match 50ohm characteristic impedance, depending on PCB material and thickness. A coplanar waveguide trace is recommended for best results. For this particular antenna It is recommended that the designer leave available slots for the matching network, even if all slots won't be used, this will prepare the PCB for the unpredictable final mass production version of the matching circuit. The antenna matching network values above are used when antenna is mounted on Johanson's evaluation board. The matching values on client’s PCB will be different. To order a pre-tuned 50 Ω EVB with a female SMA connector you see here Click here: https://www.johansontechnology.com/request-a-sample Reference p/n: 2450AT42E010B-EB2SMA High Frequency Ceramic Solutions 10/28/2021 Johanson Technology, Inc. reserves the right to make design changes without notice. Mounting Consideration 1: Evaluation Board 2 (Thickness = 2.5mm) All sales are subject to Johanson Technology, Inc. terms and conditions. 0.5mm Floating pad * 1.5 nH 3.6pF 1.0 nH 8.2 pF Matching circuit 0.13mm     Metal bottom GND plane to be placed directly underneath yellow soldemask zone, covering entire area. Ground Plane (where other SMD components will be mounted) 30mm 6.26mm 50mm 50Ω Feed Line 3mm Top View Bottom View Ground Want the layout file? Send us a message at: https://www.johansontechnology.com/ask-a-question p/n: 2450AT42E0…

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Page 1 of 69 File Name: Salunda Ltd.13658-4 Issue 01 QMF21J - Issue 05 - RNE Issue 03; 47 CFR Part 15C 2021 Radio Test Report Salunda Ltd Latch Hawk Wireless 1701 E 1.6 47 CFR Part 15.247 Effective Date 1st October 2021 DTS: Digital Transmission System Test Date: 4th October 2022 to 10th October 2022 Report Number: 10-13658-4-22 Issue 01 The testing was carried out by RN Electronics Ltd, an independent test house, at their test facility located at: R.N. Electronics Ltd. Arnolds Court Arnolds Farm Lane Mountnessing Essex CM13 1UT U.K. www.RNelectronics.com Telephone: +44 (0) 1277 352219 Email: [email protected] This laboratory is accredited in accordance with the recognised International Standard ISO/IEC 17025. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality management system (refer joint ISO-ILAC-IAF communiqué dated April 2017). This report is not to be reproduced by any means except in full and in any case not without the written approval of R.N. Electronics Ltd. ©2022 RN ELECTRONICS LIMITED REPORT NUMBER: 10-13658-4-22 Issue 01 ALL RIGHTS RESERVED Page 2 of 69 File Name: Salunda Ltd.13658-4 Issue 01 QMF21J - Issue 05 - RNE Issue 03; 47 CFR Part 15C 2020 Arnolds Court, Arnolds Farm Lane, Mountnessing, Brentwood Essex, CM13 1UT Certificate of Test 13658-4 The equipment noted below has been fully tested by R.N. Electronics Limited and, where appropriate, conforms to the relevant subpart of 47 CFR Part 15C. This is a certificate of test only and should not be confused with an equipment authorisation. Other standards may also apply. Equipment: Latch Hawk Wireless 1701 E Model Number: 1.6 Unique Serial Number: 50000040(All other tests) 50000038 (Conducted power and Power Spectral Density tests) Applicant: Salunda Ltd Unit 6 Avonbury Business Park Howes Lane Bicester Oxfordshire OX26 2UA Proposed FCC ID 2ALTW170116 Full measurement results are detailed in Report Number: 10-13658-4-22 Issue 01 Test Standards: 47 CFR Part 15.247 Effective Date 1st October 2021 DTS: Digital Transmission System NOTE: Certain tests were not performed based upon applicant's declarations. Certain other requirements are subject to applicant's declaration only and have not been tested/verified. For details refer to section 3 of this report. DEVIATIONS: No deviations have been applied. This certificate relates only to the unit tested as identified by a unique serial number and in the condition at the time it was tested. It does not relate to any other similar equipment and performance of the product before or after the test cannot be guaranteed. Whilst every effort is made to assure quality of testing, type tests are not exhaustive and although no non-conformances may be found, this doesn't exclude the possibility of unit not meeting the intentions of the standard or the requirements of the Federal Regulations, particularly under different conditions to those during testing. Any compliance statements are made reliant on (a) the application of the product and use of the assigned band being acceptable to the FCC and (b) the modes of operation as instructed to us by the Customer based on their specific knowledge of the application and functionality of the EUT. Statements of compliance, where measurements were made, do not include the measurement uncertainty. The measurement uncertainty, where stated, is the expanded uncertainty based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95%. Date of Test: 4th October 2022 to 10th October 2022 Test Engineer: Approved By: Radio Manager Customer Representative: ©2022 RN ELECTRONICS LIMITED REPORT NUMBER: 10-13658-4-22 Issue 01 ALL RIGHTS RESERVED Page 3 of 69 File Name: Salunda Ltd.13658-4 Issue 01 QMF21J - Issue 05 - RNE Issue 03; 47 CFR Part 15C 2020 1 Contents 1 Contents .................................................................................................................................................................................................3 2 Equipment under test (EUT) ...................................................................................................................................................................4 2.1 Equipment specification ................................................................................................................................................................4 2.2 Configurations for testing...............................................................................................................................................................5 2.3 Functional description ...................................................................................................................................................................5 2.4 Modes of operation .......................................................................................................................................................................5 2.5 Emissions configuration ................................................................................................................................…

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