MXF-EL4000Wireless Home Internet

Quick Start Guide EL4000 FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance of 26cm between the radiator and your body. FCC Warning This device complies with Part 15 of the 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 received, including interference that may cause undesired operation. NOTE 1: 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 during a specific 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 2 interference through 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. NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 3  Getting Your Device Ready for Connection Download the Mobile App! Download the EarthLink Wireless Home Internet mobile app from the Google Play or Apple Store. Your login information can be found in the email you received at the time of purchase. Can’t find it? Click Forgot password to reset. Activate Your Internet! Using the mobile app, follow the step-by-step instructions to activate your service and set up your device. Connect your device to an available AC power outlet using the included power adapter. The device’s SYS LED indicator will change from orange to green to indicate the device has completed the startup procedure. This process can take up to 5 minutes. If no signal is detected within that time, try placing the device in another location close to a window. Account Management Made Easy! Once your service is activated and your device has been set up, be sure to check out all that you can do in the EarthLink Wireless Home Internet app. You can check data usage, review monthly statements, update account information, upgrade data plans and much more. You can also visit us at wirelesshome.earthlink.net for activation steps and account management without using the app. Step 1 Step 2 Step 3 Place your device near a window and close to a power source. Tip: Avoid surrounding your device with metal objects or placing it next to other electronic devices. 4  FAQ and Troubleshooting Problem Description My PC cannot connect to the device.  Unplug the PC ethernet cable and check if the PC LAN connection is working correctly or showing activity.  Check if the SYS LED is on. If it’s not, check the power cord and make sure it’ s connected properly. Also verify that the power supply is available.  If the PC LAN shows no activity and device SYS LED is off, but the power cord and ethernet cable are connected properly and there is a power supply, then the power adapter is likely damaged. Please contact EarthLink at 866-323-0325 for more help. My PC cannot acquire the device’s IP.  First, check if the PC network interface is working properly. Then, check the PC Network card configuration and make sure the DHCP is enabled.  To release and renew the correct IP address, please unplug the ethernet cable from the PC and wait for about 5 seconds, then connect it again.  If the problem persists, please contact EarthLink at 866-323-0325 for more help. My device networking is not working properly.  Check that the LTE connection is up and running properly by logging in to the web portal and checking the Interface Information page.  If the problem cannot be corrected by a factory reset, please contact EarthLink at 866-323-0325. I forgot the login password and want to reset the unit to factory default.  Press and hold the RESET button on the back of the device for 5 seconds. The unit will reset and reboot. Please wait until the unit finishes rebooting to regain access to the device web portal using default login credentials.  If the problem persists, please contact EarthLink at 866-323-0325 for more help. How can we help you?  Support Center: https://help.earthlink.net/  Customer and Technical Support: [866-323-0325]

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label FCC ID：MXF-EL4000

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Report No.: FA212101 Page : 1 of 7 Report Version: Rev. 01 FCC RF Exposure Report FCC ID : MXF-EL4000 Equipment : Wireless Home Internet Model No. : EL4000 Brand Name : EarthLink Applicant : Gemtek Technology Co., Ltd. Address : No. 15-1 Zhonghua Road, Hsinchu Industrial Park, Hukou, Hsinchu, Taiwan, 30352. Standard : 47 CFR FCC Part 2.1091 Received Date : Jan. 25, 2022 Tested Date : Jan. 26 ~ Feb. 15, 2022 We, International Certification Corporation, would like to declare that the tested sample has been evaluated and in compliance with the requirement of the above standards. The test results contained in this report refer exclusively to the product. It shall not be reproduced except in full without the written approval of our laboratory. Reviewed by: Approved by: Along Chen / Assistant Manager Gary Chang / Manager Report No.: FA212101 Page : 2 of 7 Report Version: Rev. 01 Table of Contents 1 MPE EVALUATION OF MOBILE DEVICES ......................................................................................... 4 1.1 LIMITS FOR GENERAL POPULATION/UNCONTROLLED EXPOSURE............................................. 4 1.2 MPE EVALUATION FORMULA ............................................................................................................. 4 1.3 DEVIATION FROM TEST STANDARD AND MEASUREMENT PROCEDURE ................................... 4 1.4 MEASUREMENT UNCERTAINTY ......................................................................................................... 4 1.5 MPE EVALUATION RESULTS .............................................................................................................. 5 1.6 MPE EVALUATION OF SIMULTANEOUS TRANSMISSION ................................................................ 6 2 TEST LABORATORY INFORMATION ................................................................................................. 7 Report No.: FA212101 Page : 3 of 7 Report Version: Rev. 01 Release Record Report No. Version Description Issued Date FA212101 Rev. 01 Initial issue Mar. 01, 2022 Report No.: FA212101 Page : 4 of 7 Report Version: Rev. 01 1 MPE EVALUATION OF MOBILE DEVICES 1.1 LIMITS FOR GENERAL POPULATION/UNCONTROLLED EXPOSURE Frequency Range (MHz) Power Density (mW /cm 2 ) Averaging Time (minutes) 300~1500 F/1500 30 1500~100000 1.0 30 1.2 MPE EVALUATION FORMULA Pd = 2 **4RPi Pt Where Pd= Power density in mW/cm 2 Pt= EIRP in mW Pi= 3.1416 R= Measurement distance 1.3 DEVIATION FROM TEST STANDARD AND MEASUREMENT PROCEDURE None 1.4 MEASUREMENT UNCERTAINTY The measurement uncertainties given below are based on a 95% confidence level (based on a coverage factor (k=2) Parameters Uncertainty Conducted power ±0.808 dB Declaration of Conformity: The test results with all measurement uncertainty excluded are presented in accordance with the regulation limits or requirements declared by manufacturers. Comments and Explanations: The declared of product specification for EUT presented in the report are provided by the manufacturer, and the manufacturer takes all the responsibilities for the accuracy of product specification. Report No.: FA212101 Page : 5 of 7 Report Version: Rev. 01 1.5 MPE EVALUATION RESULTS Non-Beamforming Frequency Range (MHz) Maximum Conducted Power (dBm) Rated Power (dBm) Antenna Gain (dBi) Distance (cm) Power Density (mW/cm 2 ) Limit (mW/cm 2 ) *Ratio Pass / Fail 2412~2462 (Wi-Fi) 28.69 29.0 4.2 26 0.246 1 0.246 Pass 5150~5250 (Wi-Fi) 28.55 29.0 5.1 26 0.303 1 0.303 Pass 5725~5850 (Wi-Fi) 29.53 30.0 5 26 0.372 1 0.372 Pass Note 1: *Ratio = Power density / Limit. Beamforming Frequency Range (MHz) Maximum Conducted Power (dBm) Rated Power (dBm) Antenna Gain (dBi) Distance (cm) Power Density (mW/cm 2 ) Limit (mW/cm 2 ) *Ratio Pass / Fail 2412~2462 (Wi-Fi) 27.03 27.5 6.82 26 0.318 1 0.318 Pass 5150~5250 (Wi-Fi) 27.89 28.0 8.01 26 0.470 1 0.470 Pass 5725~5850 (Wi-Fi) 28.02 28.5 7.62 26 0.482 1 0.482 Pass Note 1: *Ratio = Power density / Limit. Note 2: For 2412 ~ 2462 MHz, Directional Gain =10 * log((10 4.2/20 +10 3.4/20 ) 2 /2) = 6.82 dBi For 5150 ~ 5250 MHz, Directional Gain =10 * log((10 5.1/20 +10 4.9/20 ) 2 /2) = 8.01 dBi For 5725 ~ 5850 MHz, Directional Gain =10 * log((10 4.2/20 +10 5/20 ) 2 /2) = 7.62 dBi Report No.: FA212101 Page : 6 of 7 Report Version: Rev. 01 The device contains a certified module, FCC ID: XMR202008EC25AFXD Frequency Range (MHz) Rated Power (dBm) Antenna Gain (dBi) Distance (cm) Power Density (mW/cm 2 ) Limit (mW/cm 2 ) *Ratio Pass / Fail WCDMA Band 2 25 3.4 26 0.081 1.000 0.081 Pass WCDMA Band 4 25 3.5 26 0.083 1.000 0.083 Pass WCDMA Band 5 25 3.5 26 0.083 0.549 0.152 Pass LTE Band 2 25 3.4 26 0.081 1.000 0.081 Pass LTE Band 4 25 3.5 26 0.083 1.000 0.083 Pass LTE Band 5 25 3.5 26 0.083 0.549 0.152 Pass LTE Band 12 25 2.3 26 0.063 0.466 0.136 Pass LTE Band 13 25 3.5 26 0.083 0.518 0.161 Pass LTE Band 14 25 3.5 26 0.083 0.525 0.159 Pass LTE Band 66 25 3.5 26 0.083 1.000 0.083 Pass LTE Band 71 25 1.7 26 0.055 1.000 0.055 Pass 1.6 MPE EVALUATION OF SIMULTANEOUS TRANSMISSION Mode Max Ratio of Each Mode Non- Beamforming Beamforming 2.4 GHz Wi-Fi 0.246 0.318 5 GHz Wi-Fi 0.372 0.482 WWAN 0.161 0.161 Sum 0.779 0.961 Limit 1 1 Pass / Fail Pass Pass Report No.: FA212101 Page : 7 of 7 Report Version: Rev. 01 2 Test laboratory information Established in 2012, ICC provides foremost EMC & RF Testing and advisory consultation services by our skilled engineers and technicians. Our services employ a wide variety of advanced edge test equipment and one of the widest certification extents in the business. International Certification Corporation (EMC and Wireless Communication Laboratory), it is our definitive objective is to institute long term, trust-based associations with our clients. The expectation we set up with our clients is based on outstanding service, practical expertise and devotion to a certified value structure. Our passion is to grant our clients with best EMC / RF services by oriented knowledgeable and accommodating staff…

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Report No.: FR212101AN Page : 1 of 87 Report Version: Rev. 01 FCC Test Report FCC ID : MXF-EL4000 Equipment : Wireless Home Internet Model No. : EL4000 Brand Name : EarthLink Applicant : Gemtek Technology Co., Ltd. Address : No. 15-1 Zhonghua Road, Hsinchu Industrial Park, Hukou, Hsinchu, Taiwan, 30352. Standard : 47 CFR FCC Part 15.407 Received Date : Jan. 25, 2022 Tested Date : Jan. 26 ~ Feb. 15, 2022 We, International Certification Corporation, would like to declare that the tested sample has been evaluated and in compliance with the requirement of the above standards. The test results contained in this report refer exclusively to the product. It shall not be reproduced except in full without the written approval of our laboratory. Reviewed by: Approved by: Along Chen / Assistant Manager Gary Chang / Manager Report No.: FR212101AN Page : 2 of 87 Report Version: Rev. 01 Table of Contents 1 GENERAL DESCRIPTION .................................................................................................................... 5 1.1 Information.............................................................................................................................................. 5 1.2 Local Support Equipment List ................................................................................................................ 8 1.3 Test Setup Chart .................................................................................................................................... 8 1.4 The Equipment List ................................................................................................................................ 9 1.5 Test Standards ..................................................................................................................................... 10 1.6 Reference Guidance ............................................................................................................................ 10 1.7 Deviation from Test Standard and Measurement Procedure ............................................................... 10 1.8 Measurement Uncertainty .................................................................................................................... 11 2 TEST CONFIGURATION ..................................................................................................................... 12 2.1 Testing Facility ..................................................................................................................................... 12 2.2 The Worst Test Modes and Channel Details ....................................................................................... 13 3 TRANSMITTER TEST RESULTS ....................................................................................................... 14 3.1 Conducted Emissions ........................................................................................................................... 14 3.2 Emission Bandwidth ............................................................................................................................. 19 3.3 RF Output Power .................................................................................................................................. 28 3.4 Peak Power Spectral Density ............................................................................................................... 32 3.5 Transmitter Radiated and Band Edge Emissions ................................................................................ 42 3.6 Frequency Stability ............................................................................................................................... 85 4 TEST LABORATORY INFORMATION ............................................................................................... 87 Report No.: FR212101AN Page : 3 of 87 Report Version: Rev. 01 Release Record Report No. Version Description Issued Date FR212101AN Rev. 01 Initial issue Mar. 01, 2022 Report No.: FR212101AN Page : 4 of 87 Report Version: Rev. 01 Summary of Test Results FCC Rules Test Items Measured Result 15.207 Conducted Emissions [dBuV]: 0.426MHz 31.33 (Margin -16.00dB) - AV Pass 15.407(b) 15.209 Radiated Emissions [dBuV/m at 3m]: 5150.00MHz 53.89 (Margin -0.11dB) - AV Pass 15.407(a) Emission Bandwidth Meet the requirement of limit Pass 15.407(e) 6dB bandwidth Meet the requirement of limit Pass 15.407(a) RF Output Power Max Power [dBm]: 5150~5250MHz: 28.55 5725~5850MHz: 29.53 Pass 15.407(a) Peak Power Spectral Density Meet the requirement of limit Pass 15.407(g) Frequency Stability Meet the requirement of limit Pass 15.203 Antenna Requirement Meet the requirement of limit Pass Declaration of Conformity: The test results with all measurement uncertainty excluded are presented in accordance with the regulation limits or requirements declared by manufacturers. Comments and Explanations: The declared of product specification for EUT presented in the report are provided by the manufacturer, and the manufacturer takes all the responsibilities for the accuracy of product specification. Report No.: FR212101AN Page : 5 of 87 Report Version: Rev. 01 1 General Description 1.1 Information 1.1.1 Specification of the Equipment under Test (EUT) RF General Information Frequency Range (MHz) IEEE Std. 802.11 Ch. Freq. (MHz) Channel Number Transmit Chains (N TX ) Data Rate / MCS 5150-5250 5725-5850 a 5180-5240 5745-5825 36-48 [4] 149-165 [5] 2 6-54 Mbps 5150-5250 5725-5850 n (HT20) 5180-5240 5745-5825 36-48 [4] 149-165 [5] 2 MCS 0-15 5150-5250 5725-5850 n (HT40) 5190-5230 5755-5795 38-46 [2] 151-159 [2] 2 MCS 0-15 5150-5250 5725-5850 ac (VHT20) 5180-5240 5745-5825 36-48 [4] 149-165 [5] 2 MCS 0-9 5150-5250 5725-5850 ac (VHT40) 5190-5230 5755-5795 38-46 [2] 151-159 [2] 2 MCS 0-9 5150-5250 5725-5850 ac (VHT80) 5210 5775 42 [1] 155 [1] 2 MCS 0-9 5150-5250 5725-5850 ax (HE20) 5180-5240 5745-5825 36-48 [4] 149-165 [5] 2 MCS 0-11 5150-5250 5725-5850 ax (HE40) 5190-5230…

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Report No.: FR212101 Page: : 1 of 5 Report Version: Rev. 01 Photographs of the Test Configuration Conducted Emission Test Report No.: FR212101 Page: : 2 of 5 Report Version: Rev. 01 Radiated Emission Below 1GHz Test Report No.: FR212101 Page: : 3 of 5 Report Version: Rev. 01 Radiated Emission Below 1GHz Test Report No.: FR212101 Page: : 4 of 5 Report Version: Rev. 01 Radiated Emission Above 1GHz Test Report No.: FR212101 Page: : 5 of 5 Report Version: Rev. 01 Radiated Emission Above 1GHz Test