A4P-200-0013-02The NextNav Local Beacon will be built, installed and operated by NextNav to provide coverage of the NextNav location service in localized areas such as venues and hot spots

Document Name: MARS Box User Manual Version No: 0.2 Company Name: NextNav, LLC. Confidential Page 1 10/24/2013 Page 1 of 9 NextNav Local User NOC Manual MRS-NN-EN-OP-1099.02 FCC ID: A4P-200-0013-02 NextNav Confidential and Proprietary Restricted Distribution. Not to be distributed to anyone who is not an employee of either NextNav or a subsidiary of NextNav without the express approval of NextNav Document Control. All data and information contained in or disclosed by this document is confidential and proprietary information of NextNav, LLC and all rights therein are expressly reserved. By accepting this material, the recipient agrees that this material and the information contained therein is to be held in confidence and in trust and will not be disseminated, distributed, copied, reproduced in whole or in part, nor its contents revealed in any manner to others without the express written permission of NextNav LLC. Document Name: MARS Box User Manual Version No: 0.2 Company Name: NextNav, LLC. Confidential Page 2 10/24/2013 Page 2 of 9 History Version Date Author Notes 0.1 May 16, 2013 D. Gautam, W. Kunysz 1 0.2 May 24, 2013 W. Kunysz 2 0.3 Oct 22, 2013 W. Kunysz 3 Notes: 1. Initial Version 2. FCC warning statement 3. Updated FCC ID Document Name: MARS Box User Manual Version No: 0.2 Company Name: NextNav, LLC. Confidential Page 3 10/24/2013 Page 3 of 9 Table of Contents History ........................................................................................................................................... 2 Notes:............................................................................................................................................. 2 1 Introduction ............................................................................................................................. 4 1.1 Purpose and Scope ...................................................................................................................................... 4 1.2 Intended Use ................................................................................................................................................. 4 1.3 FCC Compliance Statements ..................................................................................................................... 4 2 NextNav Local Beacon Commissioning ................................................................................ 5 2.1 Equipment List .............................................................................................................................................. 5 2.2 Confirm External Cable Connections ............................................................................................................... 6 3 Antenna Mounting ................................................................................................................. 8 3.1 TX Antenna .................................................................................................................................................... 8 3.2 Tune-up procedure not to exceed maximum TX power .......................................................................... 9 3.3 GPS Receive Antenna ................................................................................................................................. 9 Table of Figures Figure 1 – MARS Box Front Panel ............................................................................................. 6 Figure 2 – MARS Box Rear Panel ............................................................................................. 7 Document Name: MARS Box User Manual Version No: 0.2 Company Name: NextNav, LLC. Confidential Page 4 10/24/2013 Page 4 of 9 1 Introduction 1.1 Purpose and Scope This document describes the commissioning and normal usage procedure for the NextNav Local beacon box (A4P-200-0013-02). 1.2 Intended Use The NextNav Local beacon system is intended to be used in restricted access locations (RAL) in indoor environments. The NextNav Local beacon is a powered by a DC power system approved for use in telecommunications equipment. 1.3 FCC Compliance Statements FCC Section 15.21 Information to user. Any changes or modifications to the equipment operation settings must be approved by the NextNav, LLC for FCC compliance; otherwise the user's authority to operate the equipment will be voided. Section 15.105(b) Class A digital device Information to the user This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. RF Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the antenna and any body part of the user or nearby persons. Document Name: MARS Box User Manual Version No: 0.2 Company Name: NextNav, LLC. Confidential Page 5 10/24/2013 Page 5 of 9 2 NextNav Local Beacon Commissioning Once the NextNav Local Box is installed in the field and the installation checklist is verified, a field technician follows the following sequence of operations to power up the box as illustrated in Error! Reference source not found. and the following checklist can be used for verification of completion of the steps needed. Installation Tech checklist 1 GPS antenna connection Yes No 2 Tx antenna connection Yes No 3 EvDO antenna connection Yes N…

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Block Diagram FCC ID: A4P‐ 200‐0013‐02 1PPS 10M Figure 1 NextNav Local beacon block wiring diagram Figure 2: Maia Radio Modem Module Board Block Diagram

MARS BEACON ENCLOSURE ASSEMBLY FCC ID: A4P‐200‐0013‐02 MARS BEACON ENCLOSURE TOP W/LABELS MARS BEACON ENCLOSURE RIGHT SIDE MARS BEACON ENCLOSURE LEFT SIDE MARS BEACON ENCLOSURE FRONT SIDE MARS BEACON ENCLOSURE BACK SIDE MARS BEACON ENCLOSURE BOTTOM

MARS BEACON ENCLOSURE ASSEMBLY FCC ID: A4P‐200‐0013‐02 MARS BEACON MAIA PCBA (TOP) 202‐0001‐07 BOTTOM MARS BEACON MAIA PCBA (TOP) WITHOUT CAGES 202‐0001‐07 MARS BEACON RUBIDIUM PCBA (TOP) 202‐0005‐01 BOTTOM MARS BEACON POWER AMPLIFIER (TOP) COVER OFF 420‐0017‐01 BOTTOM BACK OF ENCLOSURE MARS BEACON ETHERNET SWITCH PCBA (TOP) 420‐0002‐01 BOTTOM MARS BEACON POWER PCBA (TOP) 202‐0018‐01 BOTTOM

RF Exposure Evaluation The Model Number: 200-0013-02 is a Wireless device used in a mobile application, at least 20 cm away from any body part of the user or nearby persons. To comply with FCC requirements of RF exposure, the Radiated Power Density must be below the Maximum Permissible Exposure (MPE) set forth in FCC section 2.1091. The maximum average conducted power (without considering Duty Cycle) is 0.6 W, the highest Duty Cycle is 0.2, and the maximum antenna gain is 2.5 dBi (1.8). Therefore, the EIRP is 0.22 W. The Power Density (in W/m 2 ) can be calculated using the formula: S = EIRP/ 4D 2 At the distance D = 0.2 m from the antenna S = 0.44 W/m 2 According to FCC sec. 1.1310 for 900 MHz the MPE Limit is 0.6 W/m 2 for General Population/Uncontrolled Exposure. So, the Model Number: 200-0013-01 complies with the FCC requirements of RF Exposure.

EMC Report for NextNav LLC on the MARS File: 101277100MPK-001 Page 1 of 113 TEST REPORT Report Number: 101277100MPK-001 Project Numbers: G101277100, G101123079 & G101166195 August 07, 2013 Testing performed on the NextNav Local Model Number: MARS FCC ID: A4P-200-0013-01 to FCC Part 15 Subpart C (15.247) FCC Part 15, Subpart B for NextNav LLC Test Performed by: Test Authorized by: Intertek 1365 Adams Court Menlo Park, CA 94025 USA NextNav LLC 484 Oakmead Parkway Sunnyvale, CA 94085, USA Prepared by: Date: August 07, 2013 Krishna K Vemuri Reviewed by: Date: August 07, 2013 Jason Centers This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to copy or distribute this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. This report must not be used to claim product endorsement by A2LA, NIST nor any other agency of the U.S. Government. EMC Report for NextNav LLC on the MARS File: 101277100MPK-001 Page 2 of 113 Report No. 101277100MPK-001 Equipment Under Test: NextNav Local Trade Name: NEXTNAV Model Numbers: MARS Serial Numbers 001 Applicant: NextNav LLC Contact: Waldemar Kunysz Address: 484 Oakmead Parkway Sunnyvale, CA 94085 Country USA Tel. Number: (408) 400-7850 Email : [email protected] Applicable Regulation: FCC Part 15 Subpart C (15.247) FCC Part 15, Subpart B Date of Test: April 01 - 14, 2013 We attest to the accuracy of this report: Krishna K Vemuri EMC Senior Staff Engineer Jason Centers Senior Project Engineer EMC Report for NextNav LLC on the MARS File: 101277100MPK-001 Page 3 of 113 TABLE OF CONTENTS 1.0 Summary of Tests .......................................................................................................................... 4 2.0 General Information ...................................................................................................................... 5 2.1 Product Description ............................................................................................................ 5 2.2 Related Submittal(s) Grants ................................................................................................ 6 2.3 Test Facility ........................................................................................................................ 6 2.4 Test Methodology ............................................................................................................... 6 2.5 Measurement Uncertainty ................................................................................................... 6 3.0 System Test Configuration ............................................................................................................ 7 3.1 Support Equipment ............................................................................................................. 7 3.2 Block Diagram of Test Setup .............................................................................................. 7 3.3 Justification ......................................................................................................................... 8 3.4 Mode of Operation During Test .......................................................................................... 8 3.5 Modifications Required for Compliance ............................................................................ 8 3.6 Additions, Deviations and Exclusions from Standards ....................................................... 8 4.0 Measurement Results..................................................................................................................... 9 4.1 6-dB Bandwidth, 26-dB Bandwidth and Occupied Bandwidth .......................................... 9 4.2 Maximum Conducted Output Power at Antenna Terminals ............................................. 22 4.3 Maximum Power Spectral Density ................................................................................... 29 4.4 Unwanted Conducted Emissions ...................................................................................... 36 4.5 Transmitter Radiated Emissions ....................................................................................... 79 4.6 Radiated Emissions from Digital Parts ............................................................................. 99 4.7 AC Line Conducted Emission ........................................................................................ 106 5.0 List of Test Equipment .............................................................................................................. 112 6.0 Document History ...................................................................................................................... 113 EMC Report for NextNav LLC on the MARS File: 101277100MPK-001 Page 4 of 113 1.0 Summary of Tests Test Reference FCC Result RF Output Power 15.247(b)(3) Complies 6 dB Bandwidth 15.247(a)(2) Complies Power Density 15.247(e) Complies Out of Band Antenna Conducted Emission 15.247(d) Complies Transmitter Radiated Emissions 15.247(d), 15.209, 15.205 Complies AC Conducted Emission 15.207 Complies Radiated Emission from Digital Part and Receiver 15.109 Complies Antenna Requirement 15.203 Complies. RF Exposure 15.247(i) Complies EUT receive date: April 01, 2013 EUT receive conditi…

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Test Setup Photographs FCC ID: A4P-200-0013-02 Radiated Emission Test AC line Conducted Emission Test