2AOHPBST3XAWireless intercom extension base station for use in high noise environments operating in the UHF band

Axnes AS Document number Revision Date AX-PNG-UMAN-2017 Issue C 2020-Jul-09 Page 1-1 PNG BST30/35 Base Station Operation Manual Document number: AX-PNG-UMAN-2017 Revision: Issue C Date: 2020-Jul-09 Axnes AS Document number Revision Date AX-PNG-UMAN-2017 Issue C 2020-Jul-09 Page 1-2 Revision history Revision Date Description Issue A 2020-02-12 First release of document Issue B 2020-03-20 Minor editorial updates to menu inconsistency and change from line 1 and 2 to line 0 and 1 nomenclature Issue C 2020-07-09 Updated with FCC reference Axnes AS Document number Revision Date AX-PNG-UMAN-2017 Issue C 2020-Jul-09 Page 1-3 Table of contents SECTION 1: PNG SYSTEM ................................................................................................ 1-5 1.1 Radio ................................................................................................................... 1-6 1.2 BST3x .................................................................................................................. 1-6 1.3 Portable install ...................................................................................................... 1-7 1.4 Charging .............................................................................................................. 1-7 1.5 Headset ................................................................................................................ 1-8 1.6 Identification of article ........................................................................................... 1-8 1.7 Document References .......................................................................................... 1-8 SECTION 2: OPERATION .................................................................................................. 2-1 2.1 Groups ................................................................................................................. 2-1 2.2 Configurations ...................................................................................................... 2-1 2.2.1 Encryption ..................................................................................................... 2-2 2.3 General UI and outline ......................................................................................... 2-3 2.4 Power on/off ......................................................................................................... 2-4 2.5 Noise cancelling ................................................................................................... 2-4 2.6 Microphone detect ................................................................................................ 2-4 2.7 Power on/off ......................................................................................................... 2-5 2.8 Display indications ............................................................................................... 2-5 2.9 Adjusting headset volume .................................................................................... 2-8 2.10 VOX / PTT mode .................................................................................................. 2-8 2.11 VOX sensitivity ..................................................................................................... 2-8 2.11.1 Configuring the VOX Min and VOX Max level ............................................... 2-9 2.12 Key lock ............................................................................................................... 2-9 2.13 Menu .................................................................................................................. 2-11 2.13.1 Advanced menu .......................................................................................... 2-12 Axnes AS Document number Revision Date AX-PNG-UMAN-2017 Issue C 2020-Jul-09 Page 1-4 2.13.2 Install menu ................................................................................................. 2-16 2.14 Audio feedback .................................................................................................. 2-18 2.15 Error conditions .................................................................................................. 2-19 2.16 Trouble shooting ................................................................................................ 2-19 SECTION 3: TECHNICAL DATA ......................................................................................... 3-1 3.1 Technical data for BST30/35 ................................................................................ 3-1 3.1.1 Operation ...................................................................................................... 3-1 3.1.2 Power supply ................................................................................................ 3-1 3.1.3 Line interface 0 and 1 .................................................................................... 3-1 3.1.4 Headset interface .......................................................................................... 3-2 3.1.5 Connectors .................................................................................................... 3-2 3.1.6 Radio characteristics ..................................................................................... 3-2 3.1.7 Dimensions BST30/35 ................................................................................... 3-2 3.1.8 Material ......................................................................................................... 3-2 3.2 BST30/35 Connector pinout ................................................................................. 3-3 SECTION 4: RECOMMENDED MAINTENANCE AND STORAGE........................................ A SECTION 5: ACCESSORIES ................................................................................................ B SECTION 6: QUALIFICATIONS ............................................................................................ D SECTION 7: ABBREVIATIONS…

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Axnes Aviation AS Axnes Aviation AS Phone: +47 370 40800 Org. No: N-974 485 753 Postboks 504 Fax: +47 370 40799 4898 Grimstad Email: [email protected] Norway With regards to FCC identifier 2AOHPBST3XA With reference to KDB634817 Section (d) (1) (iii), the PNG system with the two components BST30 and BST35, certified under the above references are developed to support world wide markets, civilian and military. The equipment may contain functions that are not operational in U.S Territories except as noted in the filing. Equipment with FCC identifier 2AOHPBST3XA used in the U.S. Territories, will be limited to be operated the frequency bands listed below: FCC Rule Parts Frequency Range (MHZ) Output Watts Frequency Tolerance Emission Designator 90 406.1 - 420.0 0.4 2.0 PM 20K0D7W 90 421.0 - 430.0 0.4 2.0 PM 20K0D7W 90 450.0 - 454.0 0.4 2.0 PM 20K0D7W 90 456.0 - 460.0 0.4 2.0 PM 20K0D7W 90 460.0 - 462.5375 0.4 2.0 PM 20K0D7W 90 462.7375 - 467.5375 0.4 2.0 PM 20K0D7W 90 467.7375 - 470.0 0.4 2.0 PM 20K0D7W Precise frequency operation within the band must be agreed with the frequency coordinator at the time of licensing. .............................................................. Kjetil Asdal (R&D manager) on behalf of Axnes AS Document number: AX-PNG-OTH-2205 Revision: Issue B Date: 15 Jul 2020

Axnes Aviation AS Axnes AS Phone: +47 370 40800 Org. No: N-974 485 753 Postboks 504 Fax: +47 370 40799 4898 Grimstad Email: [email protected] Norway Declaration of narrow banding for FCC identifier 2AOHPBST3XA Axnes AS, as the designer and manufacturer of the PNG system, hereby declares the PNG system including the BST30 and BST35 with FCC identifier 2AOHPBST3XA certified for part 90 operation, meets the spectrum efficiency standard as specified by 47 CFR § 90.203.(j).(5). The system utilizes 25KHz channel bandwidths, and transmits digital information, containing digital coded and encrypted voice and data. The system supports two modulation schemes with 16QAM and 8PSK. • The data rate is 80Kbps per 25KHz channel for 16QAM mode, giving a data rate of 20Kbps per 6.25KHz of channel bandwidth. • The data rate is 60Kbps per 25KHz channel for 8PSK mode, giving a data rate of 15Kbps per 6.25KHz of channel bandwidth. • The output power is less than 500 mW. .............................................................. Kjetil Asdal (R&D manager) on behalf of Axnes AS Document number: AX-PNG-OTH-2206 Revision: Issue B Date: 15 Jul 2020

Part number label with FCC ID Label location:

Axnes Aviation AS Axnes Aviation AS Phone: +47 370 40800 Org. No: N-974 485 753 Postboks 504 Fax: +47 370 40799 4898 Grimstad Email: [email protected] Norway With regards to FCC identifier 2AOHPBST3XA MPE: The BST30/35 is intended to be installed at a fixed location were the user will not be closer than 20 cm from the antenna. The output power of the BST30/35 is 400mW or less. The BST30/35 shall be used with an antenna with less than 5.19dBi. The antenna length is less than 35 cm. Frequency range: Bottom frequency: 406.0125 MHz Top frequency: 469.98750 MHz The system is time division multiplexing and the transmitter duty cycle is less than 50%. .............................................................. Kjetil Asdal (R&D manager) on behalf of Axnes AS Document number: AX-PNG-OTH-2208 Revision: Issue B Date: 21 Jul 2020

TÜV SÜD is a trading name of TUV SUD Ltd Registered in Scotland at East Kilbride, Glasgow G75 0QF, United Kingdom Registered number: SC215164 TUV SUD Ltd is a TÜV SÜD Group Company Phone: +44 (0) 1489 558100 Fax: +44 (0) 1489 558101 www.tuv-sud.co.uk TÜV SÜD Octagon House Concorde Way Fareham Hampshire PO15 5RL United Kingdom TÜV SÜD SIGNATURE NAME JOB TITLE RESPONSIBLE FOR ISSUE DATE Ryan Henley Sales Manager (RF & Telecoms) Authorised Signatory 17 July 2020 Signatures in this approval box have checked this document in line with the requirements of TÜV SÜD document control rules. ENGINEERING STATEMENT The measurements shown in this report were made in accordance with the procedures described on test pages. All reported testing was carried out on a sample equipment to demonstrate limited compliance with FCC 47 CFR Part 90 and FCC 47 CFR Part 2. The sample tested was found to comply with the requirements defined in the applied rules. RESPONSIBLE FOR NAME DATE SIGNATURE Testing Neil Rousell 17 July 2020 Testing Graeme Lawler 17 July 2020 FCC Accreditation 90987 Octagon House, Fareham Test Laboratory EXECUTIVE SUMMARY A sample of this product was tested and found to be compliant with FCC 47 CFR Part 90: 2019 and FCC 47 CFR Part 2: 2019 for the tests detailed in section 1.3. FCC Test Report Axnes Aviation AS Mobile Base Station, Model: BST35 In accordance with FCC 47 CFR Part 90 and FCC 47 CFR Part 2 Prepared for: Axnes Aviation AS Terje Lovasvei 1 Grimstad N-4879 NORWAY FCC ID: 2AOHPBST3XA COMMERCIAL-IN-CONFIDENCE Document 75948989-02 Issue 02 DISCLAIMER AND COPYRIGHT This non-binding report has been prepared by TÜV SÜD with all reasonable skill and care. The document is confidential to the potential Client and TÜV SÜD. No part of this document may be reproduced without the prior written approval of TÜV SÜD. © 2020 TÜV SÜD. This report relates only to the actual item/items tested. ACCREDITATION Our UKAS Accreditation does not cover opinions and interpretations and any expressed are outside the scope of our UKAS Accreditation. Results of tests not covered by our UKAS Accreditation Schedule are marked NUA (Not UKAS Accredited). Document 75948989-02 Issue 02 COMMERCIAL-IN-CONFIDENCE COMMERCIAL-IN-CONFIDENCE Page 1 of 32 Contents 1 Report Summary .........................................................................................................................2 1.1 Report Modification Record ...........................................................................................................2 1.2 Introduction ....................................................................................................................................2 1.3 Brief Summary of Results .............................................................................................................3 1.4 Manufacturer Declared Variant(s) .................................................................................................4 1.5 Application Form ...........................................................................................................................5 1.6 Product Information .......................................................................................................................7 1.7 Deviations from the Standard ........................................................................................................8 1.8 EUT Modification Record ..............................................................................................................8 1.9 Test Location .................................................................................................................................8 2 Test Details ..................................................................................................................................9 2.1 Frequency Stability ........................................................................................................................9 2.2 Radiated Spurious Emissions .................................................................................................... 11 2.3 Spurious Emissions at Antenna Terminals ................................................................................ 23 3 Photographs ............................................................................................................................. 26 3.1 Test Setup Photographs ............................................................................................................ 26 4 Measurement Uncertainty ....................................................................................................... 32 Document 75948989-02 Issue 02 COMMERCIAL-IN-CONFIDENCE COMMERCIAL-IN-CONFIDENCE Page 2 of 32 1 Report Summary 1.1 Report Modification Record Alterations and additions to this report will be issued to the holders of each copy in the form of a complete document. Issue Description of Change Date of Issue 1 First Issue 25 June 2020 2 Update to section 1.7 to specify a deviation from the standard. 17 July 2020 Table 1 1.2 Introduction Applicant Axnes Aviation AS Manufacturer Axnes Aviation AS Model Number(s) BST35 Manufacturer Declared Variant(s) BST30 Serial Number(s) AXS-SW-0711 Hardware Version(s) R4 Software Version(s) AXS-SW-0711 Number of Samples Tested 1 Test Specification/Issue/Date FCC 47 CFR Part 90: 2019 FCC 47 CFR Part 2: 2019 Order Number Date AX-PNG-OTH-2138 06-May-2020 Date of Receipt of EUT 07-May-2020 Start of Test 24-May-2020 Finish of Test 01-June-2020 Name of Engineer(s) Neil Rousell and Graeme Lawler Related Document(s) ANSI C63.26: 2015 Document 75948989-02 Issue 02 COMMERCIAL-IN-CONFIDENCE COMMERCIAL-IN-CONFIDENCE Page 3 of 32 1.3 Brief Summary of Results A brief summary of the tests carried out in accordance with FCC 47 CFR Part 90 and FCC 47 CFR Part 2 is shown below. Section Specification Clause Test Description Result Comments/Base Standard Part 90 Part 2 Configuration and Mode: Battery Powered -…

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FCC ID: 2AOHPBST3XA Axnes Aviation AS BST35 ©2020 Not to be reproduced, except in its entirety, Page 1 of 9 without the Permission of TÜV SÜD Reference: 75948989 PHOTOGRAPHS OF TEST SET UP Figure 1 – Radiated Emissions - 30 MHz to 1 GHz, X Orientation FCC ID: 2AOHPBST3XA Axnes Aviation AS BST35 ©2020 Not to be reproduced, except in its entirety, Page 2 of 6 without the Permission of TÜV SÜD Reference: 75948989 Figure 2 – Radiated Emissions - 30 MHz to 1 GHz, Y Orientation FCC ID: 2AOHPBST3XA Axnes Aviation AS BST35 ©2020 Not to be reproduced, except in its entirety, Page 3 of 6 without the Permission of TÜV SÜD Reference: 75948989 Figure 3 – Radiated Emissions - 30 MHz to 1 GHz, Z Orientation FCC ID: 2AOHPBST3XA Axnes Aviation AS BST35 ©2020 Not to be reproduced, except in its entirety, Page 4 of 6 without the Permission of TÜV SÜD Reference: 75948989 Figure 4 – Radiated Emissions - 1 GHz to 5 GHz, X Orientation FCC ID: 2AOHPBST3XA Axnes Aviation AS BST35 ©2020 Not to be reproduced, except in its entirety, Page 5 of 6 without the Permission of TÜV SÜD Reference: 75948989 Figure 5 –Radiated Emissions - 1 GHz to 5 GHz, Y Orientation FCC ID: 2AOHPBST3XA Axnes Aviation AS BST35 ©2020 Not to be reproduced, except in its entirety, Page 6 of 6 without the Permission of TÜV SÜD Reference: 75948989 Figure 6 – Radiated Emissions - 1 GHz to 5 GHz, Z Orientation