2AO38LTE2004-04Apex Enterprise Femto cell (E-Femto) (B4/B13/B66 with LAA)

Cautions and Warnings Caution: The eFemto emits radio frequency electromagnetic energy. To comply with FCC RF exposure compliance requirements, this device must be installed to provide a separation distance >20 cm from all persons during normal operation. For operation within the 5GHz frequency range, this device is restricted to indoor environments. Warning: Read and understand the installation instructions and all safety warnings before connecting the eFemto to the power source. Failure to understand safety precautions may result in injury. Warning: Operate the eFemto only with the power adapter supplied with the product. Warning: Do not cover the eFemto or block the airflow to the device with any objects. California Prop65 Warning: The plastic and cords on this product contain phth alates, a chemical known to the State of California to cause cancer, birth defects and other reproductive harm. Wash hands after handling. For more information, please visit the following site: www.p65warnings.ca.gov USA: Federal Communications Commission (FCC) statement This device complies with FCC part 15 FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference and 2. This device must accept any interference, including interference that may cause undesired operation of the device. FCC Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with 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 into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. This device meets the FCC and IC requirements for RF exposure in public or uncontrolled environments. FCCID: 2AO38LTE2004-04 What’s in the eFemto Box  eFemto • Mounting Bracket with Hardware • GPS Antenna and cable • Ethernet cable – 1.5m • Power cord • Power supply (not plenum rated) • Quick Start Guide Mounting Procedure The package contains screws and anchors for drywall mounting. Installation on alternate surfaces will require the purchase of the appropriate anchors and hardware. 1. Determine the mounting location and verify that no wires, pipes, etc., are directly behind or in the wall at the point of mounting. 2. Use the wall mounting bracket to act as a template to mark anchor holes on the wall. 3. Drill holes into drywall and push in the supplied plastic drywall anchors. Installation on surfaces other than drywall may require different anchoring hardware which can be purchased at your local hardware store. 4. Align the mounting bracket with the wall anchors and attach using the supplied screws. 5. Slide the eFemto with mounting bracket into the wall mounting bracket. 6. Fasten retaining screws (Self-tapped screw,1018 harden, PA4*25, Phillips 2#, Color-Zn plating) on the side of the bracket. 7. When power is supplied through the POE port, the POE power source should meet the requirements of ES1 and PS2 Connections Prerequisites Ethernet and Backhaul (B/H) Requirements For optimum performance regarding backhaul bandwidth requirements and specific firewall settings, please refer to the User Guide. GPS Signal The eFemto requires a strong GPS signal from the provided indoor GPS antenna. For installation other than with the provided GPS antenna, please refer to the online 4G LTE Network Extender for Enterprise User Guide. Placement The eFemto can be installed: vertically or horizontally on a wall, floor, or ceiling. Place the unit at least 10 feet away from products that generate electromagnetic radiation (e.g., microwave oven). 1. Identify a location for the eFemto, central to users, but no more than 21 feet from an exterior window or wall to allow for a strong GPS signal. 2. Identify a power source for the eFemto. 3. Follow device mounting, installation and power up steps Copyright 2020 Casa Systems. All rights reserved. GPS Installation Connect the GPS antenna cable (indoor use only) to the GPS port of the eFemto. Note: The GPS antenna must stay connected to the eFemto at all times for operation. The initial GPS fix can take up to 60 minutes. Ethernet and Power Connections Attach the supplied Ethernet cable from your router or modem LAN port to the eFemto PoE/WAN port for network connectivity. Plug in the Power Supply and insert the power cable into the eFemto Power port. Automatic startup and hardware initialization will begin. POWER ON At startup, the eFemto will conduct self configuration. This will take between 30 - 60 minutes the first time the eFemto turns on. Optional Accessories Available  Power over Ethernet (POE) Device A full list of optional accessories can be viewed and ordered from www.verizonwireless.com.Text Automated Startup The following Status LED sequence will occur. Upon successful setup, the LED will blink green. Note: If the LED fails to turn green after one hour or is blinking a series of red pulses, consult the troubleshooting section (below). Troubleshooting No GPS Signal The Sync LED off and Alarm LED fix red indicates no GP…

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Casa Systems, Inc. 100 Old River road,Suite 100,Andover,Massachusetts,United States 01810 Tel: 978‐688‐6706 Ext 6625 ; Fax: 978‐688‐6584 Date: November 23, 2020 Federal Communications Commission Office of Engineering and Technology Laboratory Division 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Request for Confidentiality FCC ID: 2AO38LTE2004‐04 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission’s rules (47CFR§§0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure indefinitely.  Schematic Diagram  Block Diagram  Part List  Operational Description  Tune‐up Procedure Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In additional to above mentioned documents, pursuant to Public Notice DA 04‐1705 of the Commission’ s policy, in order to comply with the marketing regulations in 47 CFT §2.803 and the importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices. We are requesting the commission to grant short‐term confidentiality request on the following attachment(s) for 180 days after the grant as outlined in Public Notice DA 04‐1705.  External Photos  Internal Photos  Test Setup Photos  User Manual It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Best Regards, ______________________ Contact: Michael Anderson Email: [email protected]

Casa Systems, Inc. 100 Old River road,Suite 100,Andover,Massachusetts,United States 01810 Tel: 978‐688‐6706 Ext 6625 ; Fax: 978‐688‐6584 Date: November 23, 2020 Power of Attorney To whom it may concern, Please be notified that I, Michael Anderson, have designated Jim Tsai in Sporton International Inc. as the person being responsible for this project and to sign the form 731 and other documentation. Any and all acts carried out by Jim Tsai in Sporton International Inc., on the matters of relating to all processes required in the FCC approval and any communication needed with the national authority, shall have the same legal authority as acts on our own behalf. We further certifies that neither the applicant nor any party to this application, as defined in 47 CFR Ch. 1.2002 (b), is subject to a denial to Federal benefits, that include FCC benefits, pursuant to section 5301 of the Anti-Drug Abuse Act of 1998, 21 U.S.C 862. This authorization is limited to the product of as following: FCC ID: 2AO38LTE2004-04 If you have any acknowledgement and response, please send it to Sporton International Inc. directly. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely yours, ____ Contact: Michael Anderson Email: [email protected]

Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 1 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 1. External Photograph of EUT Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 2 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 3 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 4 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 5 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 6 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 7 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 8 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 9 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 10 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 11 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 12 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 13 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 14 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 List of Accessory： Specification of Accessory AC Adapter Brand Name ShenZhen SOY Model Name SOY-1200300US-050-A Power Rating I/P: 100 - 240 Vac, 1.2A; O/P: 12V, 3.0A GPS Antenna Brand Name N/A Model Name N/A Remark: For accessories equipped with this EUT, please refer to the following photos. 2. Photograph of Accessory Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 15 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 16 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 17 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 AC Adapter Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 18 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 GPS Antenna Photographs of EUT Report No.: EP082710 Brand Name: APE…

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Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 20 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 3. Internal Photograph of EUT GPS Antenna Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 21 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 5G Antenna 2 5G Antenna 3 LTE Antenna 6 LTE Antenna 7 5G Antenna 4 5G Antenna 5 5G Antenna 1 LTE Antenna 8 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 22 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 23 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 24 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 25 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 26 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 27 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 28 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 29 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 30 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 31 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 32 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 33 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 34 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 35 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 36 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 37 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 38 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Ver…

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Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 42 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 43 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 44 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 45 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 46 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 47 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 48 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 49 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 5G Antenna 1 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 50 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 5G Antenna 2 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 51 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 5G Antenna 5 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 52 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 5G Antenna 3 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 53 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 5G Antenna 4 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 54 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 LTE Antenna 6 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 55 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 LTE Antenna 7 Photographs of EUT Report No.: EP082710 Brand Name: APEX 4G LTE Femto for Enterprose (eFemto) / Model Name: LTE-2004-04 Sporton International (Kunshan) Inc. Page Number : 56 of 56 TEL : +86-512-57900158 Report Issued Date : Dec. 31, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AO38LTE2004-04 LTE Antenna 8

Sporton International (Kunshan) Inc. Page Number : 1 of 8 TEL : +86-512-57900158 Report Issued Date : Nov. 23, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AO38LTE2004-04 RF Exposure Evaluation Report Report No. : FA082710 RF Exposure Evaluation Report APPLICANT : Casa Systems, Inc. EQUIPMENT : Apex Enterprise Femto cell (E-Femto) (B4/B13/B66 with LAA) BRAND NAME : APEX 4G LTE Femto for Enterprose (eFemto) MODEL NAME : LTE-2004-04 FCC ID : 2AO38LTE2004-04 STANDARD : 47 CFR Part 2.1091 FCC KDB 447498 D01 v06 We, Sporton International (Kunshan) Inc., would like to declare that the device has been evaluated in accordance with 47 CFR Part 2.1091 and FCC KDB 447498 D01 v06, and pass the limit. Without written approval of Sporton International (Kunshan) Inc., the test report shall not be reproduced except in full. Reviewed by: Rose Wang / Supervisor Approved by: Kat Yin / Manager Sporton International (Kunshan) Inc. No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China Sporton International (Kunshan) Inc. Page Number : 2 of 8 TEL : +86-512-57900158 Report Issued Date : Nov. 23, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AO38LTE2004-04 RF Exposure Evaluation Report Report No. : FA082710 Table of Contents 1. ADMINISTRATION DATA ........................................................................................................................... 4 1.1. Testing Laboratory ............................................................................................................................. 4 2. DESCRIPTION OF EQUIPMENT UNDER TEST (EUT) ............................................................................. 5 3. MAXIMUM RF TUNE UP POWER AMONG PRODUCTION UNITS .......................................................... 6 4. RF EXPOSURE LIMIT INTRODUCTION .................................................................................................... 7 5. RADIO FREQUENCY RADIATION EXPOSURE EVALUATION ............................................................... 8 5.1. Standalone Power Density Calculation ............................................................................................. 8 Sporton International (Kunshan) Inc. Page Number : 3 of 8 TEL : +86-512-57900158 Report Issued Date : Nov. 23, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AO38LTE2004-04 RF Exposure Evaluation Report Report No. : FA082710 Revision History REPORT NO. VERSION DESCRIPTION ISSUED DATE FA082710 Rev. 01 Initial issue of report. Nov. 23, 2020 Sporton International (Kunshan) Inc. Page Number : 4 of 8 TEL : +86-512-57900158 Report Issued Date : Nov. 23, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AO38LTE2004-04 RF Exposure Evaluation Report Report No. : FA082710 1. Administration Data 1.1. Testing Laboratory Sporton International (Kunshan) Inc. is accredited to ISO/IEC 17025:2017 by American Association for Laboratory Accreditation with Certificate Number 5145.02. Testing Laboratory Test Firm Sporton International (Kunshan) Inc. Test Site Location No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China TEL : +86-512-57900158 FAX : +86-512-57900958 Test Site No. FCC Designation No. FCC Test Firm Registration No. CN1257 314309 Applicant Company Name Casa Systems, Inc. Address 100 Old River Road Suite 100 Andover, Massachusetts 01810 United States Manufacturer Company Name Casa Systems, Inc. Address 100 Old River Road Suite 100 Andover, Massachusetts 01810 United States Sporton International (Kunshan) Inc. Page Number : 5 of 8 TEL : +86-512-57900158 Report Issued Date : Nov. 23, 2020 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID : 2AO38LTE2004-04 RF Exposure Evaluation Report Report No. : FA082710 2. Description of Equipment Under Test (EUT) Product Feature & Specification EUT Type Apex Enterp…

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