2ARTX-Z4PLUSMobile Phone

1 User Guide Z4 PLUS 2 Contents I. CAUTIONS ON MOBILE PHONE USE ............................................................................................................... 4 1.1 INTERFERENCE ......................................................................................................................................... 4 1.2 REASONABLE USE .................................................................................................................................... 4 1.3 QUALIFIED MAINTENANCE SERVICE .......................................................................................................... 4 1.4 WATER-RESISTANCE ................................................................................................................................. 4 1.5 EMERGENCY CALLS .................................................................................................................................. 4 2 PRECAUTIONS FOR USE OF BATTERY ........................................................................................................... 4 3 CAUTIONS FOR CHILDREN ............................................................................................................................ 5 II. KEYS AND PARTS ........................................................................................................................................ 6 III. START TO USE ........................................................................................................................................... 7 3.1 TO INSERT SIM CARD(S): ......................................................................................................................... 7 3.2 CHARGE THE BATTERY ............................................................................................................................. 9 IV. BASIC FUNCTIONS ................................................................................................................................... 10 1. LOCK AND UNLOCK THE SCREEN .............................................................................................................. 10 2. MAKE IT YOURS ........................................................................................................................................ 10 3 3. SWITCH TO RECENTLY USED APPLICATION .............................................................................................. 11 4. MAKE A CALL ........................................................................................................................................... 11 5. CALL LOG ................................................................................................................................................. 11 6. ANSWERING PHONE CALLS AND REJECTION ............................................................................................. 12 7. ADD A CONTACT ....................................................................................................................................... 12 8. SEND AND RECEIVE MESSAGE(S) ............................................................................................................. 12 9. BROWSER THE WEB ................................................................................................................................. 13 10. ENJOY MUSIC ......................................................................................................................................... 13 11. DOWNLOAD APPLICATIONS FROM PLAY STORE ...................................................................................... 13 12. MANAGE APPLICATIONS ......................................................................................................................... 13 13. APPLICATIONS & UTILITIES ............................................................................................................ 14 14. SETTINGS ............................................................................................................................................... 14 4 I. Cautions on mobile phone use 1.1 Interference All phones may be interfered, which affect phone calls. 1.2 Reasonable use Use only in the normal position. Do not touch the antenna area unnecessarily. 1.3 Qualified maintenance service Only qualified personnel may install or repair this product. 1.4 Water-resistance Your device is non water-resistant. Keep it dry. 1.5 Emergency calls Ensure the phone is switched on and in service. Enter the emergency number and press the Dialer icon. 2 Precautions for use of battery 2.1 Do not dispose of batteries near or in a fire to avoid dangers. 5 2.2 Do not dispose of batteries in the garbage. Dispose of batteries to assigned battery recycling center. 3 Cautions for children Keep your device out the reach of children in case of accidental injury caused by incorrect use of the device as toys. 6 II. Keys and parts 7  1. Receiver  2. Light sensor / Proximity sensor  3. Front Camera  4. SIM Tray  5. Volume key  6. Power key/Fingerprint sensor  7. Earphone Jack  8. Mic  9. USB connector  10. Speaker  11. Rear camera  12. Flashlight III. Start to use 3.1 To insert SIM card(S): Insert the SIM card correctly in the card slot(s) (See figure below), suggest switch off the phone when you insert SIM card. Insert the Micro SD card into the slot with the correct direction (See figure below), suggest switch off the phone when you insert Micro SD. Note: Use only compatible memory cards with this device. Incompatible memory cards may damage the card or the device and corrupt the data stored in the card. 8 9 3.2 Charge the battery During charging, the battery indicator on the phone is a thunder icon. If the device is switched off during charging, there will still be a charging indication on the screen that shows the phone is being charged. If the device is overused when the battery is low, the charging icon might take some time to appear. W…

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LAVA International Limited 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: LAVA International Limited Address: A-56, Sector 64, Noida 201301, U.P. India Product Name: Mobile Phone FCC ID: 2ARTX-Z4PLUS Model(s): Z4 PLUS 2.911(d)(5)(i) EquipmentType We, [LAVA International Limited] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Laxit Sharma Date: 9/23/2023 Title and Company name: Manager / LAVA International Limited NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

LAVA International Limited 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: LAVA International Limited Address: A-56, Sector 64, Noida 201301, U.P. India Product Name: Mobile Phone FCC ID: 2ARTX-Z4PLUS Model(s): Z4 PLUS 2.911(d)(5)(ii) Applicant filing We, [LAVA International Limited] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 ,established pursuant to §1.50002 of this chapter,as an entity producing coveredcommunications equipment. Yours sincerely, Name: Laxit Sharma Date: 9/23/2023 Title and Company name: Manager / LAVA International Limited NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

THREE STONES MEDIA LLC U.S. Agent Letter of Attestation To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Date: 09-23-2023 Ref: Attestation Statement – Part2.911(d)(7) filing FCC ID: 2ARTX-Z4PLUS LAVA International Limited (“the applicant”) certifies that, as of the date of the filing of the application, THREE STONES MEDIA LLC(“the agent”) is our designated U.S. agent for service of process for the abovereference FCC ID. The applicant accepts to maintain an agent for service of process in the United States forno less than one year after either the grantee has permanently terminated all marketing and importation of theapplicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicialproceeding involving the equipment, whichever is later. The applicant further acknowledges it is ourresponsibility to inform the FCC whenever the agent information changes. THREE STONES MEDIA LLC ("the agent) understand it is the agent's obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address. Designated U.S. Agent Company Name: THREE STONES MEDIA LLC FRN: 0033401761 GC: 2A99E Address: 1200 Broadway St. APT 329, Los Angeles, CA90015 Signature: Contact Person: Sijie Zhang Tel: +1 267 909 3692 Email: [email protected] Applicant Company Name: LAVA International Limited Address: A-56, Sector-64, Gautam Buddha Nagar, Noida Uttar Pradesh, 201301 India Signature: Contact Person: Laxit Sharma Tel: +91-9654481080 Email: [email protected]

LAVA International Limited Agent Authorization Letter (2023-09-23) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park Sanwei, Xixiang, Bao'an District, Shenzhen, Guangdong, China Alex.li [email protected] to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Laxit Sharma / Manager Date/City: 2023-09-23 / Uttar Pradesh Phone: +91-9654481080 Fax: +0120-4637240 E-mail: [email protected]

LAVA International Limited Long Term Confidentiality Request Letter (2023-09-23) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR Product: Mobile Phone Model No.: Z4 PLUS FCC ID: 2ARTX-Z4PLUS To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the  Schematic Diagram  Block Diagram  Operational Description  Part List / BOM List / PCB Layout  Tune-up Procedure Required to be submitted with this application be permanently withheld from public review. 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. 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. Please contact me if there is any information you may need. Sincerely, Laxit Sharma / Manager Date/City: 2023-09-23 / Uttar Pradesh Phone: +91-9654481080 Fax: +0120-4637240 E-mail: [email protected]

ATTACHMENT PHOTOGRAPHS OF EUT Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 Photo 9 Photo 10

ATTACHMENT PHOTOGRAPHS OF EUT Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 Photo 9 Photo 10 Photo 11 Photo 12 Photo 13 Photo 14 Photo 15 Photo 16 BT/WIFI2.4G ANT LTE AUX ANT Photo 17 GSM/WCDMA/LTE Main ANT

Page 1 of 229 Report No.: S23081500203001 FCC SAR EVALUATION REPORT In accordance with the requirements of FCC 47 CFR Part 2(2.1093), ANSI/IEEE C95.1-1992 and IEEE Std 1528-2013 Product Name： Mobile Phone Brand Name： LAVA Model Name： Z4 PLUS Family Model： N/A Report No.： S23081500203001 FCC ID： 2ARTX-Z4PLUS Prepared for LAVA International Limited A-56, Sector 64, Noida 201301, U.P. India Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street, Bao'an District, Shenzhen 518126 P.R.China. Tel. 400-800-6106, 0755-2320 0050, 0755-2320 0090 Website: http://www.ntek.org.cn Page 2 of 229 Report No.: S23081500203001 TEST RESULT CERTIFICATION Applicant’s name ................. : LAVA International Limited Address .................................. : A-56, Sector 64, Noida 201301, U.P. India Manufacturer's Name .......... : LAVA International Limited Address .................................. : A-154 D, Sector-63, Noida, Gautam Buddha Nagar, Uttar Pradesh, 201301 Product description Product name ........................ : Mobile Phone Brand Name ......................... : LAVA Model and/or type reference .............................. : Z4 PLUS Family Model ......................... : N/A Standards ............................. : FCC 47 CFR Part 2(2.1093) ANSI/IEEE C95.1-1992 IEEE Std 1528-2013 Published RF exposure KDB procedures This device described above has been tested by Shenzhen NTEK. In accordance with the measurement methods and procedures specified in IEEE Std 1528-2013 and KDB 865664 D01. Testing has shown that this device is capable of compliance with localized specific absorption rate (SAR) specified in FCC 47 CFR Part 2(2.1093) and ANSI/IEEE C95.1-1992. The test results in this report apply only to the tested sample of the stated device/equipment. Other similar device/equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties. This report shall not be reproduced except in full, without the written approval of Shenzhen NTEK, this document may be altered or revised by Shenzhen NTEK, personal only, and shall be noted in the revision of the document. Test Sample Number ............................. S230815002002 Date of Test Date (s) of performance of tests .............. : Aug. 16, 2023 ~ Aug. 24, 2023 Date of Issue ........................................... : Aug. 30, 2023 Test Result ............................................... : Pass Prepared By (Test Engineer) : (Jack Li) Approved By (Lab Manager) : (Alex Li) Page 3 of 229 Report No.: S23081500203001 ※ ※ Revision History ※ ※ REV. DESCRIPTION ISSUED DATE REMARK Rev.1.0 Initial Test Report Release Aug. 30, 2023 Jack Li Page 4 of 229 Report No.: S23081500203001 TABLE OF CONTENTS 1. General Information ............................................................................................ 6 1.1. RF exposure limits .................................................................................... 6 1.2. Statement of Compliance ........................................................................ 7 1.3. EUT Description ....................................................................................... 7 1.4. Test specification(s) .................................................................................. 9 1.5. Ambient Condition ................................................................................... 9 2. SAR Measurement System ................................................................................. 10 2.1. SATIMO SAR Measurement Set-up Diagram .......................................... 10 2.2. Robot ..................................................................................................... 11 2.3. E-Field Probe .......................................................................................... 12 2.3.1. E-Field Probe Calibration ................................................................. 12 2.4. SAM phantoms ...................................................................................... 13 2.4.1. Technical Data .................................................................................. 14 2.5. Device Holder ........................................................................................ 15 2.6. Test Equipment List ................................................................................ 16 3. SAR Measurement Procedures .......................................................................... 19 3.1. Power Reference ................................................................................... 19 3.2. Area scan & Zoom scan .......................................................................... 19 3.3. Description of interpolation/extrapolation scheme .............................. 21 3.4. Volumetric Scan ..................................................................................... 21 3.5. Power Drift ............................................................................................ 21 4. System Verification Procedure .......................................................................... 22 4.1. Tissue Verification ................................................................................. 22 4.1.1. Tissue Dielectric Parameter Check Results ...................................... 23 4.2. System Verification Procedure .............................................................. 24 4.2.1. System Verification Results .............................................................. 25 5. SAR Measurement variability and uncertainty .................................................. 26 5.1. SAR measurement variability ................................................................. 26 5.2. SAR measurement uncertainty .............................................................. 26 6. RF Exposure Positions ......................................................................................…

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Page 109 of 229 Report No.: S23081500203001 MEASUREMENT 9 Date of measurement: 21/8/2023 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Left head Device Position Cheek Band Band5_WCDMA850 Channels Middle Signal WCDMA (Crest factor: 1.0) ConvF 1.50 B. SAR Measurement Results Frequency (MHz) 836.400000 Relative permittivity (real part) 41.974682 Relative permittivity (imaginary part) 19.780870 Conductivity (S/m) 0.919151 Variation (%) 0.450000 SURFACE SAR VOLUME SAR Maximum location: X=-53.00, Y=-28.00 SAR Peak: 0.75 W/kg SAR 10g (W/Kg) 0.457116 SAR 1g (W/Kg) 0.610902 Page 110 of 229 Report No.: S23081500203001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.7454 0.6253 0.5068 0.4086 0.3313 0.2664 0.2099 3D screen shot Hot spot position Page 111 of 229 Report No.: S23081500203001 MEASUREMENT 10 Date of measurement: 21/8/2023 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Validation plane Device Position Body Band Band5_WCDMA850 Channels Middle Signal WCDMA (Crest factor: 1.0) ConvF 1.50 B. SAR Measurement Results Frequency (MHz) 836.400000 Relative permittivity (real part) 41.974682 Relative permittivity (imaginary part) 19.780870 Conductivity (S/m) 0.919151 Variation (%) 3.100000 SURFACE SAR VOLUME SAR Maximum location: X=-7.00, Y=23.00 SAR Peak: 0.47 W/kg SAR 10g (W/Kg) 0.291392 SAR 1g (W/Kg) 0.379544 Page 112 of 229 Report No.: S23081500203001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.4524 0.3863 0.3077 0.2482 0.1944 0.1561 0.1301 3D screen shot Hot spot position Page 113 of 229 Report No.: S23081500203001 MEASUREMENT 11 Date of measurement: 16/8/2023 A. Experimental conditions. Area Scan dx=12mm dy=12mm, h= 5.00 mm ZoomScan 7x7x7,dx=5mm dy=5mm dz=5mm Phantom Left head Device Position Cheek Band IEEE 802.11b ISM Channels High Signal IEEE802.11b (Crest factor: 1.0) ConvF 1.98 B. SAR Measurement Results Frequency (MHz) 2462.000000 Relative permittivity (real part) 37.585327 Relative permittivity (imaginary part) 13.076989 Conductivity (S/m) 1.788641 Variation (%) 1.120000 SURFACE SAR VOLUME SAR Maximum location: X=-23.00, Y=20.00 SAR Peak: 0.65 W/kg SAR 10g (W/Kg) 0.202023 SAR 1g (W/Kg) 0.384793 Page 114 of 229 Report No.: S23081500203001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.6450 0.4136 0.2282 0.1259 0.0711 0.0399 0.0282 3D screen shot Hot spot position Page 115 of 229 Report No.: S23081500203001 MEASUREMENT 12 Date of measurement: 16/8/2023 A. Experimental conditions. Area Scan dx=12mm dy=12mm, h= 5.00 mm ZoomScan 7x7x7,dx=5mm dy=5mm dz=5mm Phantom Validation plane Device Position Body Band IEEE 802.11b ISM Channels High Signal IEEE802.11b (Crest factor: 1.0) ConvF 1.98 B. SAR Measurement Results Frequency (MHz) 2462.000000 Relative permittivity (real part) 37.585327 Relative permittivity (imaginary part) 13.076989 Conductivity (S/m) 1.788641 Variation (%) -2.570000 SURFACE SAR VOLUME SAR Maximum location: X=18.00, Y=-3.00 SAR Peak: 0.17 W/kg SAR 10g (W/Kg) 0.058058 SAR 1g (W/Kg) 0.096156 Page 116 of 229 Report No.: S23081500203001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.1688 0.1031 0.0544 0.0335 0.0238 0.0218 0.0182 3D screen shot Hot spot position Page 117 of 229 Report No.: S23081500203001 MEASUREMENT 13 Date of measurement: 24/8/2023 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Left head Device Position Cheek Band LTE band 2 Channels Middle Signal LTE (Crest factor: 1.0) ConvF 1.91 B. SAR Measurement Results Frequency (MHz) 1880.000000 Relative permittivity (real part) 38.313965 Relative permittivity (imaginary part) 13.976862 Conductivity (S/m) 1.459806 Variation (%) 3.520000 SURFACE SAR VOLUME SAR Maximum location: X=-51.00, Y=-34.00 SAR Peak: 0.11 W/kg SAR 10g (W/Kg) 0.051787 SAR 1g (W/Kg) 0.077246 Page 118 of 229 Report No.: S23081500203001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.1128 0.0775 0.0524 0.0398 0.0308 0.0284 0.0221 3D screen shot Hot spot position Page 119 of 229 Report No.: S23081500203001 MEASUREMENT 14 Date of measurement: 24/8/2023 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Validation plane Device Position Body Band LTE band 2 Channels Middle Signal LTE (Crest factor: 1.0) ConvF 1.91 B. SAR Measurement Results Frequency (MHz) 1880.000000 Relative permittivity (real part) 38.313965 Relative permittivity (imaginary part) 13.976862 Conductivity (S/m) 1.459806 Variation (%) -1.120000 SURFACE SAR VOLUME SAR Maximum location: X=5.00, Y=-25.00 SAR Peak: 0.45 W/kg SAR 10g (W/Kg) 0.164873 SAR 1g (W/Kg) 0.293666 Page 120 of 229 Report No.: S23081500203001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.4456 0.2975 0.1791 0.1015 0.0666 0.0468 0.0307 3D screen shot Hot spot position Page 121 of 229 Report No.: S23081500203001 MEASUREMENT 15 Date of measurement: 22/8/2023 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Left head Device Position Cheek Band LTE band 4 Channels Middle Signal LTE (Crest factor: 1.0) ConvF 1.73 B. SAR Measurement Results Frequency (MHz) 1732.500000 Relative permittivity (real part) 40.376102 Relative permittivity (imaginary part) 13.720879 Conductivity (S/m) 1.320635 Variation (%) -4.440000 SURFACE SAR VOLUME SAR Maximum location: X=-53.00, Y=-13.00 SAR Peak: 0.13 W/kg SAR 10g (W/Kg) 0.065311 SAR 1g (W/Kg) 0.093712 Page 122 of 229 Report No.: S23081500203001 Z (mm) 0.00 4.00 9.00 14.00 19.00 24.00 29.00 SAR (W/Kg) 0.1220 0.0969 0.0743 0.0564 0.0446 0.0355 0.0277 3D screen shot Hot spot position Page 123 of 229 Report No.: S23081500203001 MEASUREMENT 16 Date of measurement: 22/8/2023 A. Experimental conditions. Area Scan dx=15mm dy=15mm, h= 5.00 mm ZoomScan 5x5x7,dx=8mm dy=8mm dz=5mm Phantom Validation plane Device Position Body Band LTE b…

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Page 194 of 229 Report No.: S23081500203001 Page 195 of 229 Report No.: S23081500203001 Page 196 of 229 Report No.: S23081500203001 Page 197 of 229 Report No.: S23081500203001 Page 198 of 229 Report No.: S23081500203001 Page 199 of 229 Report No.: S23081500203001 Page 200 of 229 Report No.: S23081500203001 Page 201 of 229 Report No.: S23081500203001 Page 202 of 229 Report No.: S23081500203001 Page 203 of 229 Report No.: S23081500203001 Page 204 of 229 Report No.: S23081500203001 Page 205 of 229 Report No.: S23081500203001 Page 206 of 229 Report No.: S23081500203001 Page 207 of 229 Report No.: S23081500203001 Page 208 of 229 Report No.: S23081500203001 Page 209 of 229 Report No.: S23081500203001 Page 210 of 229 Report No.: S23081500203001 Page 211 of 229 Report No.: S23081500203001 Page 212 of 229 Report No.: S23081500203001 Page 213 of 229 Report No.: S23081500203001 Page 214 of 229 Report No.: S23081500203001 Page 215 of 229 Report No.: S23081500203001 Page 216 of 229 Report No.: S23081500203001 Page 217 of 229 Report No.: S23081500203001 Page 218 of 229 Report No.: S23081500203001 Page 219 of 229 Report No.: S23081500203001 Page 220 of 229 Report No.: S23081500203001 Page 221 of 229 Report No.: S23081500203001 Page 222 of 229 Report No.: S23081500203001 Page 223 of 229 Report No.: S23081500203001 Page 224 of 229 Report No.: S23081500203001 <Justification of the extended calibration> If dipoles are verified in return loss (<-20dB, within 20% of prior calibration for below 3GHz, and <-8dB, within 20% of prior calibration for 5GHz to 6GHz), and in impedance (within 5 ohm of prior calibration), the annual calibration is not necessary and the calibration interval can be extended. <Head 750MHz> Return Loss (dB) Delta (%) Impedance Delta(ohm) Date of Measurement -23.80 - 56.4 - Mar. 01, 2021 -23.642 0.66 56.998 0.598 Feb. 28, 2022 -22.051 7.35 51.838 4.562 Feb. 18, 2023 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. Dipole Verification Data Page 225 of 229 Report No.: S23081500203001 <Head 835MHz> Return Loss (dB) Delta (%) Impedance Delta(ohm) Date of Measurement -25.44 - 54.40 - Mar. 01, 2021 -25.803 1.43 54.492 0.092 Feb. 28, 2022 -23.947 5.87 56.615 2.215 Feb. 18, 2023 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. Dipole Verification Data Page 226 of 229 Report No.: S23081500203001 <Head 1800MHz> Return Loss (dB) Delta (%) Impedance Delta(ohm) Date of Measurement -28.85 - 47.90 - Mar. 01, 2021 -28.545 1.06 47.809 0.091 Feb. 28, 2022 -25.8 10.57 45.156 2.744 Feb. 18, 2023 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. Dipole Verification Data Page 227 of 229 Report No.: S23081500203001 <Head 1900MHz> Return Loss (dB) Delta (%) Impedance Delta(ohm) Date of Measurement -24.79 - 50.80 - Mar. 01, 2021 -24.518 1.10 50.516 0.284 Feb. 28, 2022 -23.144 6.64 53.604 2.804 Feb. 20, 2023 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. Dipole Verification Data Page 228 of 229 Report No.: S23081500203001 <Head 2450MHz> Return Loss (dB) Delta (%) Impedance Delta(ohm) Date of Measurement -23.18 - 56.30 - Mar. 01, 2021 -23.39 0.91 56.342 0.042 Feb. 28, 2022 -26.296 13.44 54.99 1.310 Feb. 20, 2023 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. Dipole Verification Data Page 229 of 229 Report No.: S23081500203001 <Head 2600MHz> Return Loss (dB) Delta (%) Impedance Delta(ohm) Date of Measurement -21.15 - 52.70 - Mar. 01, 2021 -21.248 0.46 53.053 0.353 Feb. 28, 2022 -21.627 2.25 54.412 1.712 Feb. 20, 2023 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5 ohm of prior calibration. Therefore the verification result should support extended calibration. Dipole Verification Data _______________________________________END _____________________________________

C50 Antenna Specifications ▶Contents ◀ 1 Electronic Specification 1.1 Top Antenna 1.1.1 VSWR & Gain 1.2 BTM Antenna 1.2.1 VSWR & Gain 2 Test Condition 2.1 Test Environment (Condition/Method) 3 Antenna Description 3.1 Type 3.2 Model number 4 List of Measuring Equipment 5 Manufacturer 1 Electronic Specification 1.1 Top Antenna 1.1.1 VSWR & Gain ①DRX Passive Data (分集) 0欧 12NH 0欧 0欧 27NH 27NH 27NH 27NH 27NH B2{W2} B4{W4+B66} O欧 O欧 RF1 RF1 28A763-775RF3-9.8-7.1 28B785-797RF3-9.8-7.1 B13746-756RF3-8.7-5.1 B17734-746RF3-9.6-7 GSM900+W8925-960RF1-7.8-4.6 B12729-746RF3-8.7-5.2 2110-2155-5.5-2.4 B5【GSM850+W5】869-894RF2-8.3-5.6 B412500-2690RF1-4.5-2.6…

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