UFQB400SPNBAUXBlighter B400 Series Auxillary Radar Unit

NDA - QP4160 01b CONFIDENTIALITY AGREEMENT COVERING THE MUTUAL EXCHANGE OF CONFIDENTIAL INFORMATION – BLIGHTER (QP4160) This Agreement is between Plextek Limited of London Road, Great Chesterford, Essex CB10 1NY, UK and the Contracting Party detailed below: Contracting Party Contracting Party’s Address Effective Date Agreement expiry date + 1 year (see clause 5) Obligation expiry date + 5 years (see clause 5) Reference 1. INTERPRETATION In this Agreement the following words have the meanings given unless the context requires otherwise: “Confidential Information” means confidential, proprietary or commercially sensitive information and trade secrets , including but not limited to all of Plextek’s Blighter product block diagrams, schematics, parts lists, internal photographs, radar operational description, user manual and the methods by which the radar achieves its performance; “Discloser” means the party disclosing Confidential Information; “Proper Use” means the purpose, notified to the Recipient, for which the Discloser intends the Confidential Information to be used; “Recipient” means the party to whom Confidential Information is disclosed. 2. SCOPE This Agreement covers the exchange of information that is marked as “Confidential” or with some similar legend or that, by its content or the circumstances of its disclosure (including oral and visual disclosure), ought reasonably to be understood by the Recipient as being confidential. 3. OBLIGATIONS OF CONFIDENTIALITY In respect of Confidential Information of the Discloser, the Recipient: 3.1 shall hold it in strict confidence using no less a standard of care than it takes with its own Confidential Information but in any event no less than a reasonable standard of care, and 3.2 shall not use it for any purpose other than the Proper Use, and 3.3 shall restrict its dissemination to only those of its employees, associates or advisers as is reasonably necessary and who have entered into confidentiality agreements with the Recipient containing similar obligations to this Agreement, and 3.4 shall not communicate it to any other third party without the prior written consent of the Discloser. 4. EXCEPTIONS The obligations in clause 3 shall not apply to information which: 4.1 is already known to the Recipient at the time of disclosure, or 4.2 is lawfully disclosed to others without restriction, or 4.3 is independently developed by the Recipient by persons having no exposure to Confidential Information of the Discloser, or 4.4 is required to be disclosed in compliance with any court order, applicable laws or government regulations, provided that the Recipient provides adequate prior written notice of such proposed disclosure to allow the Discloser to seek a protective order or other protection and Recipient takes reasonable actions to avoid and/or minimise the extent of such disclosure. 5. TERM This Agreement shall, unless terminated earlier by written notice by either party, cover all disclosures made for a period expiring twelve months from the Effective Date but the obligations in clause 3 shall continue in force for a minimum period of five years from the date of the last such disclosure. 6. NO LICENCE No disclosure hereunder shall be construed as granting to the Recipient, either expressly, by implication, by estoppel or otherwise, any licence or right to make any use of Confidential Information beyond the Proper Use. 7. NO WARRANTY 7.1 All disclosures under this Agreement are made “as is” and without warranty as to accuracy, completeness, non-infringement of third party rights or fitness for any particular purpose and the Discloser shall have no liability to the Recipient resulting from any use, including Proper Use, by the Recipient of Discloser’s Confidential Information. 7.2 The Blighter radar is a non-consumer device and is inaccessible to the general public. It is generally tower mounted and is only accessible by the user or his designated technicians. The user cannot service the device. The user manual is a highly technical document and is supplied to the user under the terms of this NDA. The user manual is not designed for consumers as the Blighter radar is not a consumer product. 8. OWNERSHIP OF CONFIDENTIAL INFORMATION All Confidential Information and any copies thereof remain the property of the Discloser and shall be returned, or destroyed, promptly at the Discloser’s request at any time. This obligation shall not however apply, unless it is reasonably practicable to do so, to copies made solely in the course of the Recipient’s normal data backup and archival procedures provided such copies are stored securely and treated in all other respects in accordance with the provisions of this Agreement. 9. INJUNCTION The parties acknowledge that unauthorised disclosure of its Confidential Information may cause the Discloser irreparable harm for which the Discloser may not have an adequate remedy at law. Therefore, in addition to any other rights and remedies available, the Discloser shall be entitled to injunctive relief, without the need to prove special damages, to prevent the Recipient from committing or continuing any unauthorised disclosure of Confidential Information. 10. GOVERNING LAW This Agreement shall be governed by English law and the parties hereby submit to the jurisdiction of the English courts. For and on behalf of Plextek Limited: Signed: Print Name: Title: For and on behalf of Contracting Party: Signed: Print Name: Title:

Main Unit (horns shown detached) Auxiliary Unit (horns shown detached) 1 x Main and 3 x Auxiliary units installed

EXPOSURE LIMITS FOR ELECTROMAGNETIC RADIATION Referenced Documents“Guidelines for Limiting Exposure to Time-Varying Electric, Magnetic and Electromagnetic Fields (up to 300GHz)” ICNIRP Guidelines. Health Pysics 74 (4); 1998 FCC Part 47 of CFR, 1 October 2004, paragraph 1.1307 IEEE C95.1-2005 IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz -Description Table 8 and Table 9 EN 62311:2008 This Document ref : 8BT74301Last updated04/04/2010 near/far field boundary d16.95m t = time exposure correction factor (referenced to 3.5 minutes) Wavelength λ0.0174m maximum dimension of the antenna D0.384m Transmit Power P1.7W Maximum Duty Cycle correction factor x1.00 x = 69% Maximum Duty Cycle (general 5km), 84% duty cycle (normal 8km), max duty cycle 94% (Fast 8km mode) ref. 8BT364 01e Mean Tx Power (inc. duty cycle) 1.70W Gain of Antenna G26dBi Linear Gain of Antenna 398.1071706 Exposure Limit 10 W/m 2 1 mW/cm 2 Taken from ICNIRP report. IEEE quote this as 10mW/cm 2 for Controlled Exposure Power Density @ d (d=R) P d 0.0188 mW/cm 2 Safety margin @d77.3dB Exposure Limit in near field 3.3333 W/m 2 see note 10.3333 mW/cm 2 Note 1: Applies 300% uncertainty factor for calculations in near field Safe Distance from Antenna R4.02mWorst case scenario - Unscanning beam, 3.5 minutes exposure. SAFESafe Distance Matrix (m) DISTANCE MATRIXFCC (Part 47 of CFR, para 1.1307) & ICNIRPIEEE C95.1-2005 Exposure Duration {e} (seconds) t {e/210} Uncontrolled Exposure (1mW/cm 2 ) Controlled Exposure (5mW/cm 2 ) Uncontrolled Exposure (1mW/cm 2 ) Controlled Exposure (10mW/cm 2 ) In Front of Antenna (26 dBi antenna gain)15110 20.010.230.100.230.07Typical walk-by exposure time Scanned100.050.510.230.510.16 (Does not take into 300.150.890.400.890.28 account 300% uncertainty600.291.260.561.260.40 factor in near field)1200.591.780.801.780.56 1800.882.180.982.180.69 2041.002.321.042.320.73 20.010.400.180.400.13Typical walk-by exposure time Unscanned100.050.890.400.890.28 λ 2 .2D d= 2 .R4. .P.G. π xt P d = d P xt R ..4 G.P.. π = λ 2 .2D d= 2 .R4. .P.G. π xt P d = d P xt R ..4 G.P.. π = Unscanned100.050.890.400.890.28 (Does take into 300.151.540.691.540.49 account 300% uncertainty600.292.180.982.180.69 factor in near field)1200.593.081.383.080.98 1800.883.781.693.781.19 2041.004.021.804.021.27Continuous exposure (i.e. Not time limited) Behind Antenna (0dBi antenna gain assumed)1.005.001.0010.00 20.010.010.010.010.00Typical walk-by exposure time Scanned100.050.030.010.030.01 (Does not take into 300.150.040.020.040.01 account 300% uncertainty600.290.060.030.060.02 factor in near field)1200.590.090.040.090.03 1800.880.110.050.110.03 2041.000.120.050.120.04 20.010.020.010.020.01Typical walk-by exposure time Unscanned100.050.040.020.040.01 (Does take into 300.150.080.030.080.02 account 300% uncertainty600.290.110.050.110.03 factor in near field)1200.590.150.070.150.05 1800.880.190.080.190.06 2041.000.200.090.200.06 Assumptions Scanned Beam scanning across frequency range. Scanning is expected to average out any local maximum, therefore can lose the 300% uncertainty in near field UnscannedUse 300% uncertainty for near field measurement Exposure Duration {t}Any frequency above 10GHz has to use a mean power averaged over a 68/f 1.05 minute (3.5mins) period in the calculation. This expsoure duration is converted to a fraction of 3.5 mintues. Uncontrolled ExposureGeneral public exposure Controlled ExposureOccupational exposure WiFiThe WLAN transmitter and Antenna gain are not significant in this calculation (0.14W & 4dBi). λ 2 .2D d= 2 .R4. .P.G. π xt P d = d P xt R ..4 G.P.. π = λ 2 .2D d= 2 .R4. .P.G. π xt P d = d P xt R ..4 G.P.. π =

TEST REPORT FROM RFI GLOBAL SERVICES LTD Test of: Blighter B422-SP Auxiliary Unit To: FCC Part 90: 2009, Subpart F in accordance with RFI Test Plan RFI/REGE1/TP75565JD03 Test Report Serial No: RFI-RPT-RP76954JD03B This Test Report Is Issued Under The Authority Of Brian Watson, COO Payments and Consultancy: pp Checked By: R. Graham Signature: Date of Issue: 16 April 2010 This report is issued in Adobe Acrobat portable document format (PDF). It is only a valid copy of the report if it is being viewed in PDF format with the following security options not allowed: Changing the document, Selecting text and graphics, Adding or changing notes and form fields. This report may not be reproduced other than in full, except with the prior written approval of RFI Global Services Ltd. The results in this report apply only to the sample(s) tested. TEST REPORT SERIAL NO: RFI-RPT-RP76954JD03B VERSION 1.0 ISSUE DATE: 16 APRIL 2010 Page 2 of 25 RFI Global Services Ltd This page has been left intentionally blank. TEST REPORT SERIAL NO: RFI-RPT-RP76954JD03B VERSION 1.0 ISSUE DATE: 16 APRIL 2010 RFI Global Services Ltd Page 3 of 25 Table of Contents 1. Customer Information .................................................................................................................. 4 2. Summary of Testing ..................................................................................................................... 5 3. Equipment Under Test (EUT) ....................................................................................................... 7 4. Operation and Monitoring of the EUT during Testing ............................................................. 10 5. Measurements, Examinations and Derived Results ................................................................ 11 6. Measurement Uncertainty .......................................................................................................... 24 Appendix 1. Test Equipment Used ................................................................................................25 TEST REPORT SERIAL NO: RFI-RPT-RP76954JD03B VERSION 1.0 ISSUE DATE: 16 APRIL 2010 Page 4 of 25 RFI Global Services Ltd 1. Customer Information Company Name: Plextek Ltd Address: London Road Great Chesterford Essex CB10 1NY United Kingdom TEST REPORT SERIAL NO: RFI-RPT-RP76954JD03B VERSION 1.0 ISSUE DATE: 16 APRIL 2010 RFI Global Services Ltd Page 5 of 25 2. Summary of Testing 2.1. General Information Specification Reference: 47CFR90 Specification Title: Code of Federal Regulations Volume 47 (Telecommunications) 2009: Part 90: Public Safety Radio Pool Specification Reference: 47CFR2 Specification Title: Code of Federal Regulations Volume 47 (Telecommunications) 2009: Part 2: Frequency Allocations and Radio Treaty Matters; General Rules and Regulations Site Registration: FCC: 209735 Location of Testing: RFI Global Services Ltd, Wade Road, Basingstoke, Hampshire, RG24 8AH, England Test Dates: 01 March 2010 to 26 March 2010 RFI Test Plan Reference: RFI/REGE1/TP75565JD03 Date: 11 th January 2010 Description: Test Plan from RFI Global Services Ltd for Blighter B400 Series Radar TEST REPORT SERIAL NO: RFI-RPT-RP76954JD03B VERSION 1.0 ISSUE DATE: 16 APRIL 2010 Page 6 of 25 RFI Global Services Ltd 2.2. Summary of Test Results FCC Reference (47CFR ) Measurement Result Part 2.1046 Transmitter RF Conducted Output Power Part 2.1049 Transmitter Occupied Bandwidth (Bandwidth Limitations) Part 2.1051 / Part 2.1057 Spurious Emissions at Antenna Terminals Part 2.1053 / Part 2.1057 Field Strength of Spurious Radiation Part 2.1053 Transmitter Band Edge Radiated Emissions Key to Results = Complied = Did not comply 2.3. Methods and Procedures Reference: ANSI/TIA-603-C-2004 Title: Land Mobile Communications Equipment, Measurements and performance Standards Reference: ANSI C63.10 (2009) Title: American National Standard for Testing Unlicensed Wireless Devices 2.4. Deviations from the Test Specification For the measurements contained within this test report, there were no deviations from, additions to, or exclusions from the test specification identified above. TEST REPORT SERIAL NO: RFI-RPT-RP76954JD03B VERSION 1.0 ISSUE DATE: 16 APRIL 2010 RFI Global Services Ltd Page 7 of 25 3. Equipment Under Test (EUT) 3.1. Identification of Equipment Under Test (EUT) Description: FMCW Radar – Aux Unit Brand Name: Blighter Model Name or Number: B422-NBSP Serial Number: 6B543 Hardware Version Number: BoM / Rev – Aux 6BA41B/01 Software Version Number: Build 81 FCC ID Number: UFQB400SPNBAUX 3.2. Description of EUT The equipment under test was the Auxiliary Unit of a multi-frequency ground surveillance radar system that can scan and detect moving vehicles and persons over a 180º area and can operate up to a range of 16 km. The system comprises a main radar unit (Main Unit) and an Auxiliary radar unit (Aux Unit). The Auxiliary Unit is directly connected to the Main Unit which contains full transmitter functionality together with a GPS receiver and optional Wireless LAN transceiver (WLAN). The Auxiliary Unit contains additional PA, RF switching and gain functionality to overcome cable losses etc. The connections required between each of the Main and Auxiliary units are DC power and control, and the RF signals. Both units are interconnected with various bespoke cables. Horn antennas are fitted to both radar units in the normal mode of operation and the complete assembly was mounted onto a tripod for test purposes. A personal computer (PC) is normally connected to the main radar unit by Ethernet or WLAN. The radar system can be configured and monitored from the PC. The Client stated that power to the EUT is provided from a DC supply only. The Client stated that an electronic test target was not required. 3.3. Modifications Incorporated in the EUT No modifications were applied to the EUT during testing. TEST REPORT SERIAL NO: RFI-RPT-RP76954JD03B VERSION 1.0 ISSUE DATE: 16 APRIL 2010 Page 8 of 25 RFI Gl…

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