YETQ41-BXCUProvider-Specific Consumer Signal Booster

CAUTION • Use CEL-FI QUATRA EVO indoors. It should not be used outdoors. • The donor antenna(s) MUST be installed to ensure a minimum of 25.5 in (65 cm) separation distance from human body at all times. • The server antenna(s) MUST be installed to ensure a minimum of 8 in (20 cm) separation distance from persons from human body at all times. • These products are designed to be used with a direct plug-in power supply unit. When installing the equipment, all the requirements of the manufacturer and the referenced standards must be met. • There are no user-serviceable parts inside. • Changes or modifications to this product not expressly approved by Nextivity may void your right to operate the equipment. There are no user-serviceable parts inside. • Only the antennas listed or approved by the manufacturer can be used with CEL-FI QUATRA EVO. • This device may be operated ONLY in a fixed location for in-building use. • Use of unauthorized antennas, cables, and/or coupling devices not conforming with ERP/EIRP and/or indoor-only restrictions is prohibited. Warranty Nextivity Inc provides a limited warranty for its products. For details, please refer to http://www.nextivityinc.com/warranty/. Limitation of Liability In no event shall NEXTIVITY, nor its directors, employees, agents, suppliers or End Users, be liable under contract, tort, strict liability, negligence or any other legal or equitable theory with respect to the Products or any other subject matter of this Agreement (i) for any lost profits, cost of procurement of substitute goods or services, or special, indirect, incidental, punitive, or consequential damages of any kind whatsoever or (ii) for any direct damages in excess of (in the aggregate) the fees actually received by NEXTIVITY from End User with respect to the Products actually purchased and paid for. Regulatory Information Q42-Z1CNU, Q40-Z1FNU & Q41-BXCU: US FCC Statement These devices have been tested and found to comply with the limits for a Class B digital device, under part 15 of the FCC Rules. These limits are designed to protect reasonably against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used per the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment to an outlet on a circuit different from the receiver’s. Consult the dealer or an experienced radio/TV technician for help. This device complies with part 15 of the FCC Rules. Operation is subject to the Following two conditions: This device may not cause harmful interference, and This device must accept any interference received, including interference that May cause undesired operation. WARNING E911 location information may not be provided or may be inaccurate for calls served by this device. Regulatory Information Q42-E9CNU, Q40-E9FNU & Q41-EXCU-2: EU Hereby, NEXTIVITY declares, under its sole responsibility, that this CEL-FI Smart Signal Booster complies with the essential requirements and other relevant provisions of Directive 2014/53/EU. The Declaration of Conformity (DoC) may be consulted at nextivityinc.com/DoC. ATBEBGCHCYCZ DEDKEEELESFI FRHRHUIEISIT LILTLULVMTNL NOPLPTROSESI SKTR Imported exclusively for Italy by: Maelco s.r.l 105 Corso Mazzini 48018. Faenza (IT) [email protected] 410N026-020-ILRA CAUTION • Use CEL-FI QUATRA EVO indoors. It should not be used outdoors. • The donor antenna(s) MUST be installed to ensure a minimum of 25.5 in (65 cm) separation distance from human body at all times. • The server antenna(s) MUST be installed to ensure a minimum of 8 in (20 cm) separation distance from persons from human body at all times. • These products are designed to be used with a direct plug-in power supply unit. When installing the equipment, all the requirements of the manufacturer and the referenced standards must be met. • There are no user-serviceable parts inside. • Changes or modifications to this product not expressly approved by Nextivity may void your right to operate the equipment. There are no user-serviceable parts inside. • Only the antennas listed or approved by the manufacturer can be used with CEL-FI QUATRA EVO. • This device may be operated ONLY in a fixed location for in-building use. • Use of unauthorized antennas, cables, and/or coupling devices not conforming with ERP/EIRP and/or indoor-only restrictions is prohibited. Warranty Nextivity Inc provides a limited warranty for its products. For details, please refer to http://www.nextivityinc.com/warranty/. Limitation of Liability In no event shall NEXTIVITY, nor its directors, employees, agents, suppliers or End Users, be liable under contract, tort, strict liability, negligence or any other legal or equitable theory with respect to the Products or any other subject matter of this Agreement (i) for any lost profits, cost of procurement of substitute goods or services, or special, indirect, incidental, punitive, or consequential damages of any kind whatsoever or (ii) for any direct damages in excess of (in the aggregate) the fees actually received by NEXTIVITY from End User with respect to the Products actually purchased and paid for. Regulatory Information Q42-Z1CNU, Q40-Z1FNU & Q41-BXCU: US FCC Statement These devices have been tested and found to comply with the limits for a Class B digital device, under part 15 of the FCC Rules. These limits are designed to protect reasonably against harmful interference in a residential installation. This equipment generates, uses…

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Cel-Fi QUATRA 4000c Installation and User Guide • 1 year ago • Updated Table of Contents 01. Introduction to Cel-Fi QUATRA 4000c 02. Regulatory // Model Number: Cel-Fi QUATRA 4000c 03. System Overview 04. Hardware Components 05. The WAVE Portal 06. Installation 07. LEDs 08. Diagnostics and Testing 09. Antenna Kitting 10. Advanced Information - Antennas and Cel-Fi QUATRA 4000c 11. Specifications 12. Trademarks 13. Warranty and Limitation of Liability 14. Compliance 15. Glossary 16. Troubleshooting About This Guide There are a variety of Cel-Fi QUATRA product variants available, supporting a variety of band configurations, for multiple regions. This manual is applicable to the Cel-Fi QUATRA 4000c ONLY, and does not apply to any other QUATRA variants. Safety Precautions • Use Cel-Fi QUATRA 4000c indoors. It should not be used outdoors. • These products are designed to be used with the internal power supply unit that shipped with the Network Unit. When installing the equipment, all the requirements of the manufacturer and the referenced standards must be met. • There are no user serviceable parts inside. • Changes or modifications to this product not expressly approved by Nextivity may void your right to operate the equipment. 01. Introduction to Cel-Fi QUATRA 4000c Understanding Cellular Coverage Spotty cellular coverage, poor voice quality, dropped calls, and dead zones continue to plague occupants in buildings of all shapes and sizes. Nextivity’s Cel-Fi QUATRA 4000c solves that problem. It is an affordable, all-digital solution, providing uniform, high-quality cellular signals throughout a building. Cel-Fi QUATRA 4000c is scalable to fit buildings of all sizes and is carrier approved and guaranteed network safe. Unlike traditional analog boosters and passive DAS technology, Cel-Fi QUATRA 4000c delivers a cellular signal that is up to 1000x stronger, utilizing CAT 5e (or better) cabling for the connection between the head end and each remote. The remotes are powered via Power over Ethernet (PoE), delivering an lossless signal throughout the building. Cel-Fi QUATRA 4000c can be installed in just days (compared to months typical of other solutions), and with lowest total cost of ownership. The QUATRA Solution While cellular networks are deployed outdoors, the majority of calls take place inside a building. A recent study showed 80% of business users inside complain of poor coverage or dropped calls. Modern building materials, while improving energy efficiency, will block or inhibit cellular service from the outside network. To exacerbate the issue, connectivity is increasingly critical for people achieve their most ambitious goals. In fact, cellular coverage can be considered a safety or even regulatory requirement, depending on the region. Building owners need a flexible, high-quality solution. Installers and Value-Added Resellers need a product that can serve the majority of building types and not take months to deploy. • Nextivity created a new Cel-Fi solution category that combines its core technology with the architecture of an Active DAS – to deliver an Active DAS Hybrid – carrier-grade but built for Installers. • Integrators and Carriers have partnered with Nextivity to deliver a smart solution designed for middleprise buildings - Cel-Fi QUATRA solutions. • Nextivity provides the QUATRA BOM Estimator to help installers select the appropriate equipment in the right quantity, to eliminate the heavy cost/time of the (pre) planning effort. • Cel-Fi’s all-digital, scalable, PoE Category cable-based solution makes it ideal for Single or Multi-Carrier environments. Speed of Installation, higher quality in-building cellular solutions, and cost savings – are some of the reasons building owners, facility managers, and IT professionals are making the smart investment in Cel-Fi QUATRA solutions. Comment About FCC Certification There is one variant available for the Cel-Fi QUATRA 4000c. All Part 20 cellular bands are enabled by default, and all part 90 cellular bands are Disabled by default and must be enabled by the installer on a per-band basis once the appropriate band retransmission agreement has been acquired from the carrier. The system is also capable of relaying Band 48 on Port D, which is disabled/locked by default and may be unlocked by contacting your distributor. • Cel-Fi QUATRA 4000c The QUATRA 4000c is FCC Part 20 certified for the following bands: 2, 4, 5, 12, 13 and 25 The QUATRA 4000c is FCC Part 90 certified for the following bands 30, and 71* The QUATRA 4000c is FCC Part 96 certified for band 48 (CBRS) * Band 71 pending FCC Part 20 approval A Solution Anyone Can Confidently Deploy Cel-Fi QUATRA 4000c is designed to improve indoor signal coverage without any risk of interference on the mobile network. Cel-Fi QUATRA provides a sophisticated network-safe solution that has been rigorously tested globally, through multiple generations, engineered to deliver multiple levels of network protection: • Uplink power control to prevent desensitizing the network • Echo-cancellation and feedback control • Uplink muting, when handsets (UE) are not detected • Signal qualification (channels are individually qualified, so noise or very poor signals won’t be amplified and degrade the network) • The Cel-Fi WAVE Platform cloud-based portal enables an operator to monitor equipment and network KPI’s, such as channel configurations, RSRP, RSCP, SINR, and system gains, providing control and optimization insight. 02. Regulatory // Model Number: Cel-Fi QUATRA 4000c FCC Part 20 Certified The QUATRA 4000c is FCC Part 20 certified for the following bands. Band Combinations Supported Under This FCC Certification AT&T 12 & 5 12 & 25 12 & 4 12 & 2 T-Mobile 25 & 4 25 & 12 4 & 12 2 & 4 2 & 12 Verizon 13 & 25 13 & 4 13 & 2 FCC Part 90/96 Certified The QUATRA 4000c is FCC Part 90 and 96 certified for the following bands. Band Combinations Supported Under This FCC Certification AT&T 12 & 5 12 & 25 12 & 4 12 & 2 30 &…

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16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9942 Date: 04-28-2023 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Ref: Attestation Statements Part 2.911(d)(5)(i) and Part 2.911(d)(5)(ii) Filing Re. KDB 986446 D01 FCC ID: YETQ42-Z1CNU and YETQ41-BXCU Dear Sir or Madam, Nextivity Incorporated (“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. We also certify 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. If you have any questions, please contact us. Sincerely, Contact name: Michiel Lotter Company name: Nextivity Incorporated Address: 16550 West Bernardo Drive, Bldg 5, Suite 550 San Diego, CA 92127 Tel.: 858-489-9442 Email: [email protected]

16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9942 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 04-28-2023 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: YETQ42-Z1CNU and YETQ41-BXCU Nextivity Incorporated “the applicant” certifies that, as of the date of the filing of the application, Nextivity Incorporated is our designated U.S. agent for service of process for the above referenced FCC IDs. Nextivity Incorporated accepts 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. Nextivity Incorporated 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 IDs. Designated U.S. Agent Information: Name: Nextivity Incorporated Address: 16550 West Bernardo Drive, Bldg 5, Suite 550 San Diego, CA 92127 Contact Person: Michiel Lotter Tel.: 858-489-9442 Email: [email protected] FRN: 0019823665 Sincerely, [Insert U.S. agent company name] Nextivity Incorporated (U.S. agent company name printed name) Michiel Lotter (U.S. agent company name signature) [Insert applicant name] Nextivity Incorporated (Applicant printed name) Michiel Lotter (Applicant signature)

16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9942 Date: Apr. 28, 2023 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Subject: Attestation pursuant to KDB 935210 D02 III(c) for FCC ID: YETQ42-Z1CNU and YETQ41-BXCU To whom it may concern: In accordance with KDB 935210 D02 III(c), we attest to the following facts: • Nextivity has received licensee consents for the use and certification of the Cel- Fi QUATRA 4000 Provider Specific Consumer Signal Booster. • NPS and other compliance/safeguard features have been implemented. • NPS and other compliance/safeguard features are “ON” by default. • NPS and other compliance/safeguard features cannot be field reconfigured, disabled or removed. • QUATRA 4000 Provider Specific Consumer Signal Booster is not user programmable and does not need fine tuning or adjustments and does not require professional installation. • Future software upgrades will not cause non-compliance. Yours sincerely, C K Li, Technical Director of Regulatory Name, function, signature

16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9942 Date: Apr 28, 2023 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Confidentiality Request FCC ID: YETQ42-Z1CNU and YETQ41-BXCU Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission’s Rules, Nextivity Incorporated hereby requests permanent confidential treatment of information accompanying this application as outlined below: • Schematics • Bill of Materials/Parts List • Block Diagrams • Theory of Operation • Tune-up Procedure Nextivity Incorporated also hereby requests short-term confidential treatment of information accompanying this application as outlined below for a period of period of 180 days: • Internal Photos • External Photos • User Manual and Legal Insert • Test Set-up Photos The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying materials will not be made before the date of the Grant for this Application. Yours sincerely, C K Li, Technical Director of Regulatory Name, function, signature

YETQ41-BXCU Nextivity Inc., Proprietary and Confidential 1 of 4 02 External Photos_HL CU 16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9442 • Fax: +1 858.485.9445 http://www.cel-fi.com External Photos CEL-FI Model : QUATRA EVO CU Top YETQ41-BXCU Nextivity Inc., Proprietary and Confidential 2 of 4 02 External Photos_HL CU 16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9442 • Fax: +1 858.485.9445 http://www.cel-fi.com Side 1 Side 2 YETQ41-BXCU Nextivity Inc., Proprietary and Confidential 3 of 4 02 External Photos_HL CU 16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9442 • Fax: +1 858.485.9445 http://www.cel-fi.com Side 3 Side 4 YETQ41-BXCU Nextivity Inc., Proprietary and Confidential 4 of 4 02 External Photos_HL CU 16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9442 • Fax: +1 858.485.9445 http://www.cel-fi.com Bottom

FCC ID: YETQ41-BXCU Nextivity Inc., Proprietary and Confidential 1 of 1 01 Label_HL CU 16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9442 • Fax: +1 858.485.9445 http://www.cel-fi.com Product Label and Location Cel-Fi Model: Q41-BXCU

YETQ41-BXCU Nextivity Inc., Proprietary and Confidential 1 of 4 08 Internal Photos_HL CU 16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9442 • Fax: +1 858.485.9445 http://www.cel-fi.com In ternal Photos CEL-FI Model #: QUATRA EVO CU PCB Side 1 YETQ41-BXCU Nextivity Inc., Proprietary and Confidential 2 of 4 08 Internal Photos_HL CU 16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9442 • Fax: +1 858.485.9445 http://www.cel-fi.com Housing_Bottom_Internal YETQ41-BXCU Nextivity Inc., Proprietary and Confidential 3 of 4 08 Internal Photos_HL CU 16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9442 • Fax: +1 858.485.9445 http://www.cel-fi.com PCB side 2 YETQ41-BXCU Nextivity Inc., Proprietary and Confidential 4 of 4 08 Internal Photos_HL CU 16550 West Bernardo Drive, Suite 550, San Diego, CA 92127, USA Tel: +1 858.485.9442 • Fax: +1 858.485.9445 http://www.cel-fi.com Housing_Top_Internal

TÜV SÜD AMERICA INC 10040 Mesa Rim Road San Diego, CA 92121-2912 Phone: 858 678 1400 FAX: 858 546 0364 April 28, 2023 TUV SUD America CB 10 Centennial Drive FL2 Peabody, MA 01960 Attention: Director of Certification RE: Analysis of RF Exposure for Mobile and Portable Device per KDB 447498 D01 General RF Exposure Guidance v06 and RSS-102 Issue 5 March 2015. FCC ID: NU: YETQ42-Z1CNU CU: YETQ41-BXCU IC Number: NU: 9298A-Q42Z1CNU CU: 9298A-Q41BXCU 1. Limits Limits for General Population/Uncontrolled Exposure (Title 47 Subpart J §2.1091 and KDB 447498 D01 referring to limits under §1.1310) Frequency Range (MHz) Electric Field Strength (E) (V/m) Electric Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Time (minutes) 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 - 1500 - - f/1500 30 1500 - 100,000 - - 1.0 30 f = frequency in MHz *Plane-wave equivalent power density 2. ISED Limits: Limits for Devices Used by the General Public (Uncontrolled Environment (RSS-102 Issue 5 March 2015) Frequency Range (MHz) Electric Field Strength (V/m rms) Magnetic Field (A/m rms) Power Density (W/m 2 ) Reference Period (minutes) 0.003 - 10 21 83 90 - Instantaneous 0.1 - 10 - 0.73/f - 6** 1.1 - 10 87/f 0.5 - - 6** 10 - 20 27.46 0.0728 2 6 TÜV SÜD AMERICA INC 10040 Mesa Rim Road San Diego, CA 92121-2912 Phone: 858 678 1400 FAX: 858 546 0364 20 - 48 -58.07/f 0.25 0.1540/f 0.25 8.944/f 0.5 6 48 - 300 22.06 0.05852 1.291 6 300 - 6000 3.142 f 0.3417 0.008335 f .0.3417 0.02619 f 0.6834 6 6000 - 15000 61.4 0.163 10 6 15000 - 150000 61.4 0.163 10 616000/f 1.2 150000 - 300000 0.158f 0.5 4.21 x 10 .-4 f 0.5 6.67 x 10 .-5 f 616000/f 1.2 f is frequency in MHz *Based on nerve stimulation (NS) ** Based on specific absorption rate (SAR) 3. MPE Calculation Summary using a 20cm separation distance: Downlink (CU) at 20 cm Separation Distance Mode Output Power (dBm) Power Density at 20 cm (mW/cm 2 ) ISED Limit (mW/cm 2 ) FCC Limit (mW/cm 2 ) WCDMA Band 5 16.99 0.00997 0.268 0.581 LTE Band 04 15.84 0.00997 0.490 1 LTE Band 12 15.56 0.00997 0.237 0.488 LTE Band 13 15.84 0.00997 0.241 0.499 LTE Band 25 16.86 0.00997 0.461 1 Uplink (NU) at 65 cm Separation Distance Mode Output Power (dBm) Power Density at 65 cm (mW/cm 2 ) ISED Limit (mW/cm 2 ) FCC Limit (mW/cm 2 ) WCDMA Band 5 21.68 0.01883 0.258 0.551 LTE Band 04 23.37 0.01883 0.425 1 LTE Band 12 21.92 0.01883 0.231 0.468 LTE Band 13 22.01 0.01883 0.248 0.520 LTE Band 25 23.48 0.01883 0.448 1 LTE Modem (LTE B12 as worst case) 24.5 0.141 0.231 0.47 4. Co-Located Transmitters transmission table: Each CU are apart from each other at least 10 meters away. Worst case co-located transmission is two bands per CU. TÜV SÜD AMERICA INC 10040 Mesa Rim Road San Diego, CA 92121-2912 Phone: 858 678 1400 FAX: 858 546 0364 Downlink (CU) Transmitter type Transmitter type that can transmit at the same time CU work with NU Port 1 LTE B4 LTE B12 WCDMA B5 LTE B12 LTE B12 LTE B4, B25 and WCDMA B5 LTE B25 LTE B12 Note: worst case bands are: LTE B12 and WCDMA Band 5 CU work with NU Port 2 LTE B4 LTE B12 and B25 LTE B12 LTE B4 and B25 LTE B25 LTE B4 and B12 Note: worst case bands are: LTE B12 and LTE Band 25 CU work with NU Port 3 LTE B4 LTE B13 LTE B13 LTE B4 and B25 LTE B25 LTE B13 Note: worst case bands are: LTE B13 and LTE Band 25 NU has four Antenna Ports. Each antenna port is assigned to support one operator and has its own Separation donor antennas. The antennas from each port point to different directions and they are apart from each other at least 10 meters away. Worst case co-located transmission is two bands per donor antenna port. Uplink (NU) Transmitter type Transmitter type that can transmit at the same time NU Port 1 LTE B4 LTE B12 WCDMA B5 LTE B12 LTE B12 LTE B4, B25 and WCDMA B5 LTE B25 LTE B12 Note: worst case bands are: LTE B12 and LTE Band 25 NU Port 2 LTE B4 LTE B13 LTE B13 LTE B4 and B25 LTE B25 LTE B13 Note: worst case bands are: LTE B13 and LTE Band 25 TÜV SÜD AMERICA INC 10040 Mesa Rim Road San Diego, CA 92121-2912 Phone: 858 678 1400 FAX: 858 546 0364 5. Worst Case Simultaneous Transmission MPE: Only ISED limits presented being the more stringent between the two limits. Downlink (CU with NU Port 1) at 20 cm Separation Distance Transmitter type MPE (mw/cm 2 ) ISED Limit (mW/cm 2 ) ISED MPE ratio (MPE/Limit) LTE Band 12 0.00997 0.237 0.042068 WCDMA Band 5 0.00997 0.268 0.037201 Sum of the ratios (should be <1.0) 0.079269 Downlink (CU with NU Port 2) at 20 cm Separation Distance Transmitter type MPE (mw/cm 2 ) ISED Limit (mW/cm 2 ) ISED MPE ratio (MPE/Limit) LTE Band 13 0.00997 0.241 0.041369 LTE Band 25 0.00997 0.461 0.021627 Sum of the ratios (should be <1.0) 0.062996 Uplink (NU Port 1) at 65 cm Separation Distance Transmitter type MPE (mw/cm 2 ) ISED Limit (mW/cm 2 ) ISED MPE ratio (MPE/Limit) LTE Band 12 0.01883 0.231 0.081515 LTE Band 25 0.01883 0.448 0.042031 Sum of the ratios (should be <1.0) 0.123546 Uplink (NU Port 2) at 65 cm Separation Distance Transmitter type MPE (mw/cm 2 ) ISED Limit (mW/cm 2 ) ISED MPE ratio (MPE/Limit) LTE Band 13 0.01883 0.248 0.075927 LTE Band 25 0.01883 0.448 0.042031 Sum of the ratios (should be <1.0) 0.117958 The NU RF ports are connected to the antennas with cables more than 10 meters long, and they are apart from the LTE Modem at 10 meters away. LTE Modem on NU at 65 cm Separation Distance Transmitter type MPE (mw/cm 2 ) ISED Limit (mW/cm 2 ) ISED MPE ratio (MPE/Limit) LTE Modem worst case LTE Band 12 0.141 0.231 0.610 TÜV SÜD AMERICA INC 10040 Mesa Rim Road San Diego, CA 92121-2912 Phone: 858 678 1400 FAX: 858 546 0364 6. Mobile MPE Calculation using a 20cm separation distance: Using Power Density formula: S= PG 4πR 2 where: S = power density P = power input to the antenna G = power gain of the antenna in the direction of interest relative to isotropic R = distance to the center of radiation of the antenna WCDMA Band 5 Downlink at 20 cm Separation Distance: Maximum peak output powe…

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TÜV SÜD America, Inc. 10040 Mesa Rim Road San Diego, CA 92121-2912 TÜV SÜD America, Inc. Rancho Bernardo Facility 16936 Via Del Campo San Diego, CA 92127 Phone: 858 678 1400 www.tuv-sud-america.com TÜV SÜD RESPONSIBLE FOR NAME TITLE DATE SIGNATURE Prepared By Ferdinand S. Custodio Senior RADIO Test Engineer / Wireless Team Lead 04/28/2023 Authorized Signatory Omar Castillo Senior EMC / Wireless Test Engineer 04/28/2023 <> Signatures in this approval box have checked this document in line with the requirements of TÜV SÜD Product Service document control rules. EXECUTIVE SUMMARY Report and test data representing the EUT are verified and the EUT itself found to be in compliance with FCC CFR 47 Part 20 and RSS-131 for ISED Report On Application for Grant of Equipment Authorization of the Nextivity Inc. Cel-Fi Quatra EVO Cellphone Signal Booster In accordance with: FCC CFR 47 Part 20 RSS-131 Test Prepared for: Nextivity Inc. 16550 West Bernardo Drive, Bldg 5, Suite 550, San Diego, CA 92127, USA Issue Date: April 2023 Document Number: 72186161A | Issue: 01 A2LA Cert. No. 2955.13 DISCLAIMER AND COPYRIGHT This report has been prepared by TÜV SÜD America with all reasonable skill and care. The document is confidential to the potential Client and TÜV SÜD America. No part of this document may be reproduced without the prior written approval of TÜV SÜD America. © 2019 TÜV SÜD America. ACCREDITATION Our A2LA Accreditation does not cover opinions and interpretations and any expressed are outside the scope of our A2LA Accreditation. Document Number: 72186161A | Issue: 01 FCC ID: NU: YETQ42-Z1CNU and CU: YETQ41-BXCU IC: NU: 9298A-Q42Z1CNU and CU: 9298A-Q41BXCU COMMERICAL-IN-CONFIDENCE Page 1 of 264 Contents 1 Report Summary .........................................................................................................................2 1.1 Report Modification Record ...........................................................................................................2 1.2 Introduction ....................................................................................................................................2 1.3 Brief Summary of Results .............................................................................................................4 1.4 Product Information .......................................................................................................................6 1.5 Deviations from the Standard ..................................................................................................... 14 1.6 EUT Modification Record ........................................................................................................... 14 1.7 Test Methods .............................................................................................................................. 14 1.8 Test Location .............................................................................................................................. 15 1.9 Test Facility Registration ............................................................................................................ 15 2 Test Details ............................................................................................................................... 17 2.1 Authorized Frequency Band Verification .................................................................................... 17 2.2 Authorized CMRS Provider ........................................................................................................ 26 2.3 Maximum Power Measurement and Booster Gain Computation ............................................... 49 2.4 Intermodulation Product ............................................................................................................. 69 2.5 Out Of Band Emissions .............................................................................................................. 80 2.6 Conducted Spurious Emissions ............................................................................................... 101 2.7 Noise Limit ................................................................................................................................ 143 2.8 Uplink Inactivity ........................................................................................................................ 148 2.9 Variable Booster Gain .............................................................................................................. 153 2.10 Occupied Bandwidth ................................................................................................................ 161 2.11 Oscillation Detection................................................................................................................. 194 2.12 Field Strength of Spurious Radiation .........................................................…

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