N2S-SL42-245-OEMStreamCaster Lite

Silvus Technologies, Inc. 10990 Wilshire Blvd., Suite 1500 Los Angeles, California 90024 Ph 310-479-3333 Leading the MIMO Revolution Attestation Letter 2024/03/27 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: N2S-SL42-245-OEM Silvus Technologies, Inc. (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Best Regards, Signature Cyrus S. Naim General Counsel Silvus Technologies, Inc. Tel.: (310) 773-5490 [email protected]

Silvus Technologies, Inc. 10990 Wilshire Blvd., Suite 1500 Los Angeles, California 90024 Ph 310-479-3333 Leading the MIMO Revolution Attestation Letter 2024/03/27 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: N2S-SL42-245-OEM Silvus Technologies, Inc. (“the applicant”) certifies that as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Best Regards, Signature Cyrus S. Naim General Counsel Silvus Technologies, Inc. Tel.: (310) 773-5490 [email protected]

Silvus Technologies, Inc. 10990 Wilshire Blvd., Suite 1500 Los Angeles, California 90024 Ph 310-479-3333 Leading the MIMO Revolution Attestation Letter for Agent 2024/03/27 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911 (d)(7) Filing FCC ID: N2S-SL42-245-OEM Silvus Technologies, Inc. certifies that, as of the date of the filing of the application, Silvus Technologies, Inc. is our designated U.S. agent for service of process for the above referenced FCC ID: N2S-SL42-245-OEM. Silvus Technologies, Inc. agrees to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Silvus Technologies, Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company name: Silvus Technologies, Inc. (FRN: 0021690243) Address: 10990 Wilshire Blvd., #1500, Los Angeles, CA 90024, USA Contact person: Cyrus Naim Tel: 310-773-5490 Email: [email protected] Sincerely, Applicant Name Silvus Technologies, Inc. Applicant Printed Name Cyrus Naim March 31, 2023 Letter Page 2 of Best Regards, Cyrus S. Naim General Counsel Silvus Technologies, Inc. Tel.: (310) 773-5490 [email protected]

Silvus Technologies, Inc. 10990 Wilshire Blvd., Suite 1500 Los Angeles, California 90024 Ph 310-479-3333 Leading the MIMO Revolution FCC Authorization 2024/03/27 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We Silvus Technologies, Inc., the undersigned, Hereby authorizes Bay Area Compliance Laboratories Corp. to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a 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. This authorization is valid until further written notice from the applicant. Best Regards, Signature Cyrus S. Naim General Counsel Silvus Technologies, Inc. Tel.: (310) 773-5490 [email protected]

Silvus Technologies, Inc. 10990 Wilshire Blvd., Suite 1500 Los Angeles, California 90024 Ph 310-479-3333 Leading the MIMO Revolution FCC Confidential Authorization 2024/03/27 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: N2S-SL42-245-OEM In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Silvus Technologies, Inc. hereby requests long-term confidential treatment of information accompanying this application as outlined below: ●Block Diagram ●Schematics ●Operation Description As well as short-term confidential treatment of information accompanying this application as outlined below: ●Internal Photos ●User’s Manual ●External Photos ●Test Set-up Photos The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Best Regards, Signature Cyrus S. Naim General Counsel Silvus Technologies, Inc. ● BOM March 31, 2023 Letter Page 2 of Tel.: (310) 773-5490 [email protected]

Silvus Technologies, Inc. 10990 Wilshire Blvd., Suite 1500 Los Angeles, California 90024 Ph 310-479-3333 Leading the MIMO Revolution Modular Approval Letter May 24, 2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Modular Approval Letter The Device, FCC ID: N2S-SL42-245-OEM, is seeking FCC authorization as a modular transmitter. The EUT meets the requirement for modular approval as detailed in FCC Public Notice DA 00-1407. Silvus confirms compliance as to each of the requirements described below: 1.The modular transmitter must have its own RF shielding. 2.The modular transmitter must have buffered modulation/data inputs 3.The modular transmitter must have its own power supply regulator 4.The modular transmitter must comply with the antenna requirement of section 15.203 and 15.204(c) 5.The modular transmitter must be tested in a stand-alone configuration 6.The modular transmitter must be labeled with its own FCC ID number 7.The modular transmitter must comply with any specific rule or operating requirements and the manufacturer must provide adequate instruction along with the module to explain any such requirements 8.The modular transmitter must comply with any applicable RF exposure requirements Best Regards, Cyrus S. Naim General Counsel Silvus Technologies, Inc. Tel.: (310) 773-5490 [email protected] Re: Yes, the module does have shield cover. Please refer to external photos. Re: Yes. All inputs to the modules are buffered through logic or microprocessor inputs. Re: Yes. Please refer to Block Diagram. Re: Device is equipped with unique antenna connector. Please refer to external photos. Re: Yes. Please refer to test setup photos. Re: Yes. Please refer to label and label locatio exhibit. Re: Yes. Please refer to user manual. Re: Yes. Please refer to "RF Exposure" Exhibit.

Label and Label location EUT Top View SILVUS

Silvus Technologies, Inc. FCC ID: N2S-SL42-245-OEM Report Number: R2402205-247 Page 13 of 43 FCC Part 15C 5 FCC §2.1091, §15.247(i) – RF Exposure 5.1 Applicable Standards As per FCC §1.1310(d) (3), At operating frequencies above 6 GHz, the MPE limits listed in Table 1 in paragraph (e)(1) of this section shall be used in all cases to evaluate the environmental impact of human exposure to RF radiation as specified in §1.1307(b) of this part. TABLE 1 TO §1.1310(E)(1)—LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (i) Limits for Occupational/Controlled Exposure 0.3-3.0 614 1.63 *(100) ≤6 3.0-30 1842/f 4.89/f *(900/f 2 ) <6 30-300 61.4 0.163 1.0 <6 300-1,500 f/300 <6 1,500-100,000 5 <6 (ii) Limits for General Population/Uncontrolled Exposure 0.3-1.34 614 1.63 *(100) <30 1.34-30 824/f 2.19/f *(180/f 2 ) <30 30-300 27.5 0.073 0.2 <30 300-1,500 f/1500 <30 1,500-100,000 1.0 <30 f = frequency in MHz. * = Plane-wave equivalent power density. 5.2 MPE Prediction Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 S = EIRP/4R² Where: S = power density EIRP = Effective Isotropic Radiated Power R = distance to the center of radiation of the antenna Silvus Technologies, Inc. FCC ID: N2S-SL42-245-OEM Report Number: R2402205-247 Page 14 of 43 FCC Part 15C 5.3 RF exposure evaluation exemption for FCC Frequency (MHz) Maximum Power (dBm) Maximum EIRP (dBm) Maximum EIRP (mW) Power Density at 20cm (mW/cm^2) Limit (mW/cm^2) 2412 28.75 33.85 2426.61 0.48 1.0 Note 1: Maximum EIRP [dBm] = Maximum Power [dBm] + Directional Antenna Gain [dBi] = 28.75 + 5.1 = 33.85 dBm Note 2: Maximum EIRP [mW] = 10 ^ (Maximum EIRP[dBm]/10) = 10 ^ 3.385 = 2426.61 mW

Overview Southwest Antennas Part # 1001-071 is a dual band, half wave dipole omni antenna with a low band frequency range of 2.15 to 2.5 GHz and a peak gain of 2.1 dBi, and a high band frequency of 4.4 to 5.9 GHz and a peak gain of 2.5 dBi. 1001-071 features an integrated 3" RF Gooseneck with black chrome non-rotating black chrome TNC(m) RF connector, which contributes to the improvement of RF link margin and overall antenna performance. Our proprietary antenna design and manufacturing process ensures optimum antenna RF performance. The non-rotating TNC(m) RF connector can be easily secured or removed from equipment in the field by a single gloved hand, no tools required. The Black Chrome finish keeps the RF connector from reflecting light or being easily spotted in the field. Antennas with integrated RF Goosenecks are ideal for handheld video receivers, portable radio systems, or any other mobile communication platform. The RF Gooseneck can be threaded through MOLLE gear or other tactical vest hardware for added security while moving. A rugged flat black fiberglass radome provides protection from damage and gives the antenna a low visibility finish. The integrated RF Gooseneck allows the antenna to bend and deflect away from impacts during outdoor operations. Features: Dual-Band Coverage 2.1 - 2.5 GHz & 4.4 - 5.9 GHz 50W Power Handling 2.15 to 2.5 dBi Gain Omni Radiation Pattern Integrated 3" RF Co-Axial Gooseneck Assembly Black Chrome Non-Rotating TNC(m) RF Connector Part # 1001-071 Dual-Band Omni Antenna, Half Wave Dipole, 2.1 - 2.5 / 4.4 - 5.9 GHz, 2.1 / 2.5 dBi, Integrated RF Coaxial Gooseneck Doc: 217-0001-415 Created: 07/15/2015 10939 Technology Place • San Diego, CA 92127 PH: (858) 277-3300 • Fax: (858) 571-6911 • Email: [email protected] southwestantennas.comPage 1 Antenna Specifications ParameterValueUnitsTolerance Antenna PatternOmni Antenna Frequency BandS & C Impedance50Ohms Frequency Range 12.1 – 2.5 2,100 – 2,500 GHz MHz Frequency Range 24.4 – 5.9 4,400 – 5,900 GHz MHz Maximum VSWR2:1Ratio Maximum Gain2.5dBi2.15 dBi Low Band Max Gain PolarizationVertical Low Band Horizontal (AZ) Beamwidth 360Degrees High Band Horizontal (AZ) Beamwidth 360Degrees Low Band Vertical (EL) Beamwidth 78Degrees2.1 - 2.5 GHz High Band Vertical (EL) Beamwidth 69Degrees4.4 - 5.9 GHz Ground Plane RequiredNo Radome MaterialFiberglass ColorFlat Black Spring or GooseneckGooseneck Gooseneck Length3.00 / 76.20inches / mm±.06" Gooseneck Diameter0.35 / 8.89inches / mm±.002" Part # 1001-071 Dual-Band Omni Antenna, Half Wave Dipole, 2.1 - 2.5 / 4.4 - 5.9 GHz, 2.1 / 2.5 dBi, Integrated RF Coaxial Gooseneck Doc: 217-0001-415 Created: 07/15/2015 10939 Technology Place • San Diego, CA 92127 PH: (858) 277-3300 • Fax: (858) 571-6911 • Email: [email protected] southwestantennas.comPage 2 ParameterValueUnitsTolerance Maximum Wind Velocity124 / 200mph / kph RF Connector TypeTNC(m) Non-Rotating RF Connector FeaturesBlack Chrome Product Height7.88 / 200.15inches / mm±.13" Product Diameter0.56 / 14.27inches / mm+.020" / -.000" Product Weight2.2 / 62.4oz / grams Part # 1001-071 Dual-Band Omni Antenna, Half Wave Dipole, 2.1 - 2.5 / 4.4 - 5.9 GHz, 2.1 / 2.5 dBi, Integrated RF Coaxial Gooseneck Doc: 217-0001-415 Created: 07/15/2015 10939 Technology Place • San Diego, CA 92127 PH: (858) 277-3300 • Fax: (858) 571-6911 • Email: [email protected] southwestantennas.comPage 3 Elevation Pattern Blue: S-Band, Green: C-Band Part # 1001-071 Dual-Band Omni Antenna, Half Wave Dipole, 2.1 - 2.5 / 4.4 - 5.9 GHz, 2.1 / 2.5 dBi, Integrated RF Coaxial Gooseneck Doc: 217-0001-415 Created: 07/15/2015 10939 Technology Place • San Diego, CA 92127 PH: (858) 277-3300 • Fax: (858) 571-6911 • Email: [email protected] southwestantennas.comPage 4 Engineering Drawing All dimensions are in inches Part # 1001-071 Dual-Band Omni Antenna, Half Wave Dipole, 2.1 - 2.5 / 4.4 - 5.9 GHz, 2.1 / 2.5 dBi, Integrated RF Coaxial Gooseneck Doc: 217-0001-415 Created: 07/15/2015 10939 Technology Place • San Diego, CA 92127 PH: (858) 277-3300 • Fax: (858) 571-6911 • Email: [email protected] southwestantennas.comPage 5

ANNEX A ‐ Emission Bandwidth [Naming Convention] Frequency (MHz)_Bandwidth (MHz)_Measurement (Occupied Bandwidth)_Type (-6dB, 99 percent)_Port (Port1, Port2) 2462MHz_5MHz BW_Occupied Bandwidth_- 6dB_Port 1 2462MHz_5MHz BW_Occupied Bandwidth_- 6dB_Port 2 2462MHz_5MHz BW_Occupied Bandwidth_99 percent_Port 1 2462MHz_5MHz BW_Occupied Bandwidth_99 percent_Port 2 2412MHz_5MHz BW_Occupied Bandwidth_- 6dB_Port 1 2412MHz_5MHz BW_Occupied Bandwidth_99 percent_Port 1 2412MHz_5MHz BW_Occupied Bandwidth_- 6dB_Port 2 2412MHz_5MHz BW_Occupied Bandwidth_99 percent_Port 2 2440MHz_5MHz BW_Occupied Bandwidth_- 6dB_Port 1 2440MHz_5MHz BW_Occupied Bandwidth_- 6dB_Port 2 2440MHz_5MHz BW_Occupied Bandwidth_99 percent_Port 1 2440MHz_5MHz BW_Occupied Bandwidth_99 percent_Port 2

ANNEX B ‐ Maximum Output Power [Naming Convention] Frequency (MHz)_Bandwidth (MHz)_ Measurement (Output Power)_ Port (Port1, Port2) 2462MHz_5MHz BW_Output Power_Port 12462MHz_5MHz BW_Output Power_Port 2 2412MHz_5MHz BW_Output Power_Port 12412MHz_5MHz BW_Output Power_Port 2 2440MHz_5MHz BW_Output Power_Port 12440MHz_5MHz BW_Output Power_Port 2

ANNEX C ‐ PSD [Naming Convention] Frequency (MHz)_Bandwidth (MHz)_Measurement (Spectral Density)_Port (Port1, Port2) 2412MHz_5MHz BW_Spectral Density_Port 1 2412MHz_5MHz BW_Spectral Density_Port 2 2440MHz_5MHz BW_Spectral Density_Port 1 2440MHz_5MHz BW_Spectral Density_Port 2 2462MHz_5MHz BW_Spectral Density_Port 1 2462MHz_5MHz BW_Spectral Density_Port 2

ANNEX D ‐ Band Edges [Naming convention] Frequency (MHz)_Type (15.209)_Measurement (Lower Band Edge, Upper Band Edge, Peak, Avg)_Port (Port 1, Port 2) 2462MHz_15.209_Upper Band Edge_Avg_Port 2 2462MHz_15.209_Upper Band Edge_Avg_Port 1 2462MHz_15.209_Upper Band Edge_Peak_Port 1 2462MHz_15.209_Upper Band Edge_Peak_Port 2 2412MHz_15.209_Lower Band Edge_Peak_Port 2 2412MHz_15.209_Lower Band Edge_Peak_Port 1 2412MHz_15.209_Lower Band Edge_Avg_Port 1 2412MHz_15.209_Lower Band Edge_Avg_Port 2

ANNEX E - 30dBc [Naming Convention] Channel (Low Ch, Mid Ch, High Ch)_Frequency (MHz)_Bandwidth (MHz))_Measurement Type(- 30dBc)_Range (10MHz-10GHz, 10GHz-26GHz, Lower Band Edge, Upper Band Edge)_Port (Port1, Port2) High Ch_2462MHz_5MHz BW_-30dBc_10- 26GHz_Port 1 High Ch_2462MHz_5MHz BW_-30dBc_10- 26GHz_Port 2 High Ch_2462MHz_5MHz BW_-30dBc_30MHz- 10GHz_Port 1 High Ch_2462MHz_5MHz BW_-30dBc_30MHz- 10GHz_Port 2 High Ch_2462MHz_5MHz BW_-30dBc_Upper Band Edge_Port 1 High Ch_2462MHz_5MHz BW_-30dBc_Upper Band Edge_Port 2 Low Ch_2412MHz_5MHz BW_-30dBc_10- 26GHz_Port 1 Low Ch_2412MHz_5MHz BW_-30dBc_10- 26GHz_Port 2 Low Ch_2412MHz_5MHz BW_-30dBc_30MHz- 10GHz_Port 1 Low Ch_2412MHz_5MHz BW_-30dBc_30MHz- 10GHz_Port 2 Low Ch_2412MHz_5MHz BW_-30dBc_Lower Band Edge_Port 1 Low Ch_2412MHz_5MHz BW_-30dBc_Lower Band Edge_Port 2 Mid Ch_2440MHz_5MHz BW_-30dBc_10- 26GHz_Port 1 Mid Ch_2440MHz_5MHz BW_-30dBc_10- 26GHz_Port 2 Mid Ch_2440MHz_5MHz BW_-30dBc_30MHz- 10GHz_Port 1 Mid Ch_2440MHz_5MHz BW_-30dBc_30MHz- 10GHz_Port 2

ANNEX F ‐ Duty Cyce [Naming Convention] Frequency (MHz)_Measurement (Duty Cycle) 2440MHz_Duty_Cycle.

Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA*, NIST, or any agency of the Federal Government. * This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “*” (Rev.2) FCC PART 15, SUBPART C TEST AND MEASUREMENT REPORT For Silvus Technologies, Inc. 10990 Wilshire Blvd Los Angeles, CA, 9002, USA FCC ID: N2S-SL42-245-OEM R e p o r t T y p e : O r i gi n a l R e p o r t P r o d u c t T y p e : S t r e a mC a s t e r L i t e Prepared By: Libass Thiaw Test Engineer Report Number: R2402205-247 Report Date: 2024-04-04 Reviewed By: Christian McCaig RF Lead Engineer Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue, Sunnyvale, CA 94089, USA Tel: +1 (408) 732-9162, Fax: +1 (408) 732-9164 Silvus Technologies, Inc. FCC ID: N2S-SL42-245-OEM Report Number: R2402205-247 Page 2 of 43 FCC Part 15C TABLE OF CONTENTS 1 General Description ..................................................................................................................................................... 5 1.1 Product Description for Equipment Under Test (EUT) ...................................................................................... 5 1.2 Mechanical Description of EUT ......................................................................................................................... 5 1.3 Objective ............................................................................................................................................................. 5 1.4 Related Submittal(s)/Grant(s) ............................................................................................................................. 5 1.5 Test Methodology ............................................................................................................................................... 5 1.6 Measurement Uncertainty ................................................................................................................................. 6 1.7 Test Facility Registrations .................................................................................................................................. 6 1.8 Test Facility Accreditations ................................................................................................................................ 7 2 System Test Configuration.......................................................................................................................................... 9 2.1 Justification ......................................................................................................................................................... 9 2.2 EUT Exercise Software....................................................................................................................................... 9 2.3 Duty Cycle Correction Factor ............................................................................................................................. 9 2.4 Equipment Modifications.................................................................................................................................. 10 3 Summary of Test Results ............................................................................................................................................ 11 4 FCC §15.203 - Antenna Requirements ...................................................................................................................... 12 4.1 Applicable Standards ........................................................................................................................................ 12 4.2 Antenna Description ......................................................................................................................................... 12 5 FCC §2.1091, §15.247(i) – RF Exposure .................................................................................................................... 13 5.1 Applicable Standards ........................................................................................................................................ 13 5.2 MPE Prediction ................................................................................................................................................. 13 5.3 RF exposure evaluation exemption for FCC ..................................................................................................... 14 6 FCC §15.209, §15.247(d) - Spurious Radiated Emissions ........................................................................................ 15 6.1 Applicable Standards ........................................................................................................................................ 15 6.2 Test Setup ......................................................................................................................................................... 16 6.3 Test Setup Block Diagrams .............................................................................................................................. 17 6.4 Test Procedure .................................................................................................................................................. 17 6.5 Corrected Amplitude & Margin Calculation..................................................................................................... 18 6.6 Test Equipment List and Details ....................................................................................................................... 19 6.7 Test Environmental Conditions .................................................................................................…

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