A4P-100-0013-01Metropolitan Beacon System

Document Name: MBS Leopard Transmitter Usert NOC Operating Manual Version No: 1.4 Company Name: NextNav, LLC. Confidential Page 1 3/10/2014 Page 1 of 13 MBS Leopard Transmitter User NOC Operating Manual SYS-NN-SS-OG-1158.00-NextNav Leopard NOC User manual Version 1.4 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: MBS Leopard Transmitter Usert NOC Operating Manual Version No: 1.4 Company Name: NextNav, LLC. Confidential Page 2 3/10/2014 Page 2 of 13 History Version Date Author Notes 1 Initial Draft Version Arun Narayan 1,2 2 November 20, 2013 Waldemar Kunysz 3 3 February 26, 2014 Waldemar Kunysz 4 4 March 10, 2014 Waldemar Kunysz 5 Notes: 1. Initial Version 2. Document naming convention used. 3. Revised version 4. Revised ERP Table 5. Revised ERP Table for IDB mode to bring ERP levels to 30 Watts Document Name: MBS Leopard Transmitter Usert NOC Operating Manual Version No: 1.4 Company Name: NextNav, LLC. Confidential Page 3 3/10/2014 Page 3 of 13 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 Leopard Beacon Commissioning ........................................................................... 5 2.1 Equipment List .............................................................................................................................................. 6 2.2 Confirm Front Panel Cable Connections .......................................................................................................... 7 2.3 Power-up Sequence ..................................................................................................................................... 8 2.4 TX Antenna .................................................................................................................................................. 11 2.5 GPS Receive Antenna ............................................................................................................................... 11 2.6 Tune-up procedure not to exceed maximum TX power ........................................................................ 12 3 Technical Specifications ..................................................................................................... 13 Table of Figures Figure 1 Leopard Front Panels ................................................................................................... 7 Figure 2 AC Mains Connect ........................................................................................................ 8 Figure 3 Cabinet Power ............................................................................................................... 9 Figure 4 Load Breaker ............................................................................................................... 10 Figure 5 Battery Breaker Antenna Mounting .......................................................................... 11 Document Name: MBS Leopard Transmitter Usert NOC Operating Manual Version No: 1.4 Company Name: NextNav, LLC. Confidential Page 4 3/10/2014 Page 4 of 13 1 Introduction The goal of the MBS system is to provide high precision, reliable, ubiquitous positioning system providing GPS like accuracies in indoors and urban canyons where it is challenging to get any reliable position using GPS or other wide area reliable technologies. In addition to improved 2-D accuracy the MBS system also provides meter level accuracy in the vertical dimension with the aid of a MEMS pressure sensor. MBS technology provides a very fast time to first fix (TTFF) in the order of ~5 seconds under cold start conditions. Similar to GPS, MBS technology allows computation of the location on the device without any network dependence thus enabling a wide variety of standalone applications. The signal structure of MBS is designed so that the signal processing entities of a standard GPS receiver’s baseband can be reused. The system is fundamentally designed for low power consumption of the receivers. 1.1 Purpose and Scope This document describes the commissioning and normal usage procedure for the NextNav Local beacon box (A4P-100-0013-01). 1.2 Intended Use The NextNav Leopard beacon system is intended to be used in restricted access locations (RAL) in outdoor and indoor environments. The NextNav Leopard beacon is a powered by a AC power system approved for use in telecommunications equipment. 1.3 FCC Compliance Statements FCC Section 15.21 Information to user. Any change…

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ZEUS ZEUS L i n e F i l t e r & S u r g e P r o t e c t i o n AC Power Distribution Primary Power Supply 1000W 48VDC Redundant Power Supply 1000W 48VDC 48 VDC Discctrubution Monitor & Control Unit Batteries Batteries Batteries Batteries DC/DC : 24VDC Modem & Switch (SixNet) Control AC 48VDC 24VDC Ethernet Antenna Timing Module Slave TX Module Master TX Module Backplane GPS TX AC WB ETH RX RX-DIV TX_DIV EXT Batt NextNav Heat Exchanger SS Cavity Filter GPS Splitter Relay RB RB Break Out PCB DC/DC DC IN Protection Digital CPU GPS Receiver TX FPGA RX FPGA PA DC/DC DC IN Protection Digital CPU GPS Receiver TX FPGA RX FPGA PA MBS RF OUT GPS IN Weather Box Transmit Antenna GPS Antenna SPDT 10 Mhz 10 Mhz 48VDC IN 48VDC IN Master Transmitter Slave Transmitter Timing Transmitter Block Diagram MBS System Block Diagram

100-0013-01 MBS BEACON FRONT VIEW FRONT VIEW FCC LABEL FCC LABEL PLACEMENT LEFT SIDE RIGHT SIDE REAR VIEW TOP VIEW BOTTOM VIEW

0 1.400 2.175 0 REVISIONS ECO REV. DESCRIPTION DATE APPROVED MATERIAL:WATERPROOF POLYESTER NEXTNAV LLCMBS BEACON PART # 100-0013-01FCC ID: A4P-100-0013-01 120 VAC,10A,50/60 HzCONTAINS FCC ID: PKRNVME362 CONTAINS IC: 3229B-E362 UNLESS OTHERWISE SPECIFIED: INTERPRET GEOMETRIC D C B A A BC D 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 A DO NOT SCALE DRAWING 203-0034-01 SHEET 1 OF 1 SCALE: 4:1 REV REPRODUCTION IN PART OR AS A WHOLEPROHIBITED. PROPRIETARY AND CONFIDENTIAL NEXT ASSY USED ON <INSERT COMPANY NAME HERE>. ANY WITHOUT THE WRITTEN PERMISSION OF WEIGHT: DRAWING IS THE SOLE PROPERTY OF DWG. NO. <INSERT COMPANY NAME HERE> IS NEXTNAV LLC B 1 SIZE APPLICATION THE INFORMATION CONTAINED IN THIS THREE PLACE DECIMAL TOLERANCING PER: MATERIAL FINISH DRAWN CHECKED ENG APPR. MFG APPR. Q.A. COMMENTS: DATE NAME TITLE: DIMENSIONS ARE IN INCHESTOLERANCES:FRACTIONALANGULAR: MACH BEND TWO PLACE DECIMAL LABEL MBSBEACON

100-0013-01 MBS BEACON FRONT VIEW FRONT VIEW FCC LABEL FCC LABEL PLACEMENT

MBS BEACON FRONT 100-0013-01 MBS BEACON PCBA PICTURES 202-0010-01 ZUES PCBA TOP VIEW BOTTOM VIEW 202-0022-01 DC DC PCBA TOP VIEW BOTTOM VIEW 202-0014-01 NOVATEL PCBA TOP VIEW TOP VIEW W/SHIELD OFF BOTTOM VIEW 202-0027-02 DC PROTECTION PCBA TOP VIEW BOTTOM VIEW 202-0008-01 GPS2 SPDT PCBA TOP VIEW BOTTOM VIEW 202-0007-01 SPDT +WB INTERACE PCBA TOP VIEW BOTTOM VIEW 202-0009-01 RUBIDIUM CLOCK PCBA TOP VIEW BOTTOM VIEW PA top with Shield on PA top with Shield off PA bottom with Shield on PA bottom with Shield off

Document Name: MBS Leopard Transmitter Usert NOC Operating Manual Version No: 1.4 Company Name: NextNav, LLC. Confidential Page 12 3/10/2014 Page 12 of 13 2.6 Tune-up procedure not to exceed maximum TX power A CSV file (configuration file) per transmitter are created by the NOC engineer based on the installation parameters such as line lengths, antenna type etc. The TX output power level setting is contained in the CSV file. The output power is adjusted by the ‘PA gain” setting. This value in the CSV file is calculated by a formula to set the output power (not to exceed 30W ERP). The variables used in the calculation include PA Gain (Gpa), TX Antenna Gain (Gant), TX filter insertion loss (ILflt), internal cable loss (ILint), external cable loss (ILext), and transceiver output power (PTCVR). ERP (W) = 10^((PTCVR - ILint + Gpa - ILflt - ILext + Gant) / 10) / 1000 The PA gain setting should be set to a proper value so that total sum of net antenna gain and cable loss coupled with PA output does not exceed 30 Watts EIRP, PEP (Peak Envelope Power) . Table 2 is a list of all possible antennas and RF cable combinations with corresponding RF power settings required to comply with the FCC requirement of 30 Watts EIRP Peal Envelope Power (PEP). Tx Band PA Gain (dB) PA out (dBm) Antenna Type Antenna Gain (dBd) Cable Loss (dB) ERP (dBm) ERP (W) (PEP) 2 MHz 60.3 max +41.53 DB586-Y 6.0 2.8 min +44.73 29.7 61.0 max +42.23 SC433- HF6LDF 2.5 0.0 min +44.73 29.7 60.3 max +41.53 BCD-8707 6.5 3.3 min +44.73 29.7 60.6 max +41.83 OD9-5 2.9 0.0 min +44.73 29.7 IDB Mode A or B 2 MHz channel 59.0 max +41.56 DB586-Y 6.0 2.8 min +44.76 29.9 SC433- HF6LDF 2.5 0.0 min +44.06 25.5 BCD-8707 6.5 3.3 min +44.76 29.9 OD9-5 2.9 0.0 min +44.46 27.9 IDB Mode A or B 5 MHz channel 59.0 max +41.33 DB586-Y 6.0 2.8 min +44.53 28.4 SC433- HF6LDF 2.5 0.0 min +43.83 24.2 BCD-8707 6.5 3.3 min +44.53 27.9 OD9-5 2.9 0.0 min +44.23 26.5 Table 2 Maximum allowable RF power settings with various antenna/cable Note 1: PA module provides means of RF Gain control in steps of 0.1 dB from 0 to 65 dB. Maximum PA Gain values listed in the table2 are required to ensure that conducted and radiated spurious emission standards of Part 90 are met . The difference of PA output Document Name: MBS Leopard Transmitter Usert NOC Operating Manual Version No: 1.4 Company Name: NextNav, LLC. Confidential Page 13 3/10/2014 Page 13 of 13 levels between 2 MHz and IDB mode is compensated using internal RF attenuation that can be set remotely by NOSS engineers to ensure that 30 Watts ERP is met in both cases. 3 Technical Specifications Parameter Value/Description Modulation BPSK modulation with CDMA spreading Maximum ON time 200ms/1second Duration of a single burst 100ms Center Frequencies 926.227MHz for single 2 MHz band and in IDB band Type B 920.773 MHz for 2 MHz IDB band Type A 924.692 MHz for 5MHz in IDB band Type A and B Necessary Signal Bandwidth 2.046MHz for single band, 5.115MHz for IDB band Type A & B Frequency Stability <10ppb EIRP 30W ERP ` Data Rate 99 bits in a 100ms slot Power Supply Nominal: 110 VAC (primary means) 48 VDC (secondary means – battery backup) Power Consumption 330 W max, 140 W average, 7.5A Operating Conditions -40°C to +50°C, plus solar radiation 0 to 95% humidity, non-condensing Remote Monitoring Via SNMP protocol Environmental Standard IP66

The following is the RF exposure calculation for the NextNav, LLC Metropolitan Beacon System (MBS). The MBS is a radio device intended to be used in a fixed or mobile locations – at least more than 20 cm from the user or nearby person. The calculation is based on FCC 47CFR 1.1310 and OET 65. Per FCC sec 1.1310: Maximum Permissible Exposure (MPE) for General Population/Uncontrolled Exposure in the frequency range 300-1500 MHz is: Freq. (MHz)/1500 = MPE mW/cm 2 For the Frequencies from 920.7 MHz to 928.0 MHz, the worst case MPE = 920.7 / 1500 = 0.614 mW/cm 2 = 6.14 W/m 2 The following equations determine the distance from the antenna that the Power Density (S) is: S ≤ 6.14 W/m 2 . The Maximum ERP is 30 W (adjusted for any antenna used), and EIRP is 49.2 W. Power Density S = (EIRP) / (4×π×D 2 ) (1) Minimum distance D ≥ √ (EIRP) / (4×π×S ) (2) From (2) D ≥ √ 49.2 / (4×π×6.14 ) = 0.8 m The following statement is added to the installation/operation manual: To comply with Maximum Permissible Exposure (MPE) requirements the antenna must be permanently installed in a fixed location that provides at least 1 meters of separation from all persons.

EMC Report for NextNav LLC on the 100-0013-01 File: 101386112MPK-001 Page 1 of 50 TEST REPORT Report Number: 101386112MPK-001 Project Number: G101386112 November 26, 2013 Testing performed on the Metropolitan Beacon System Model Number: 100-0013-01 FCC ID: A4P-100-0013-01 to FCC Part 90 FCC Part 15, Subpart B for NextNav, LLC Test Performed by: Test Authorized by: Intertek 1365 Adams Court Menlo Park, CA 94025 NextNav, LLC 484 Oakmead Pkwy Sunnyvale, CA 94085, USA Prepared by: Date: November 26, 2013 Minh Ly Reviewed by: Date: November 26, 2013 Krishna K Vemuri 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 100-0013-01 File: 101386112MPK-001 Page 2 of 50 Report No. 101386112MPK-001 Equipment Under Test: Metropolitan Beacon System (MBS) Trade Name: NEXTNAV Model No.: 100-0013-01 FCC ID: A4P-100-0013-01 Serial No.: 1013- 0001 Applicant: NextNav, LLC Contact: Arun Narayan Address: 484 Oakmead Parkway Sunnyvale, CA 94085 Country USA Tel. Number: (408) 206-4575 Email : [email protected] Applicable Regulation: FCC Part 90 FCC Part 15 Subpart B Test Site Location: Intertek 1365 Adams Drive Menlo Park, CA 94025 Date of Test: October 29 to November 08, 2013 We attest to the accuracy of this report: Minh Ly EMC Project Engineer Krishna K Vemuri EMC Senior Staff Engineer EMC Report for NextNav LLC on the 100-0013-01 File: 101386112MPK-001 Page 3 of 50 TABLE OF CONTENTS 1.0 Introduction ................................................................................................................... 5 1.1 Product Description .......................................................................................................... 5 1.2 Summary of Test Results ................................................................................................. 7 1.3 Test Configuration ........................................................................................................... 8 1.3.1 Support Equipment ................................................................................... 8 1.3.2 Block Diagram of Test Setup .................................................................... 8 1.4 Related Submittal(s) Grants ............................................................................................. 8 2.0 RF Power Output ............................................................................................................ 9 2.1 Test Procedure .................................................................................................................. 9 2.2 Test Equipment ................................................................................................................ 9 2.3 Test Results ...................................................................................................................... 9 3.0 Radiated Power ............................................................................................................. 13 3.1 Requirement ................................................................................................................... 13 3.2 Test Procedure ................................................................................................................ 13 3.3 Test Equipment .............................................................................................................. 13 3.4 Test Results .................................................................................................................... 13 4.0 Occupied Bandwidth ...................................................................................................... 14 4.1 Test Procedure ................................................................................................................ 14 4.2 Test Equipment .............................................................................................................. 14 4.3 Test Results .................................................................................................................... 14 5.0 Emission Mask ................................................................................................................ 18 5.1 Requirement ................................................................................................................... 18 5.2 Test Procedure ................................................................................................................ 18 5.3 Test Equipment .............................................................................................................. 18 5.4 Test Results .................................................................................................................... 18 6.0 Spurious Emissions at Antenna Terminals .................................................................. 22 6.1 Requirement ................................................................................................................... 22 6.2 Test Procedure ...........................................................…

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