T7HCT8440RTX8440 DECT Handset

SME VoIP Handset Guide 5.1 Proprietary and Confidential Page | 1 Handset Operations Manual RTX 8440 Technical Reference Document Version 5.1 © Sept -2019 RTX A/S, Denmark SME VoIP Handset Guide 5.1 Proprietary and Confidential Page | 2 Table of Contents Handset Operations Manual ...................................................................................................................................... 1 RTX 8440 .................................................................................................................................................................... 1 1 About This Document ........................................................................................................................................ 5 1.1 Audience .......................................................................................................................................................... 5 1.2 Abbreviations ................................................................................................................................................... 5 1.3 References/Related Documentations .............................................................................................................. 5 1.4 Document History ............................................................................................................................................ 5 1.5 What is new ..................................................................................................................................................... 5 2 Making Handset Ready ...................................................................................................................................... 6 2.1 Package - Contents/Damage Inspection .......................................................................................................... 6 2.1.1 Before Package Is Opened ........................................................................................................................ 6 2.1.2 Contents of Package ................................................................................................................................. 6 2.1.3 Damage Inspection ................................................................................................................................... 7 2.2 Before Using the Phone ................................................................................................................................... 7 2.2.1 Installing the Battery ................................................................................................................................ 7 2.2.2 Using the Charger ..................................................................................................................................... 7 2.2.3 Handset in the Charger ............................................................................................................................. 7 2.2.4 How to Open Back Cover .......................................................................................................................... 8 2.2.5 How to Replace Battery ............................................................................................................................ 8 2.2.6 Handset Serial and IPEI/IPUI Number....................................................................................................... 8 3 Phone Overview ................................................................................................................................................ 9 3.1 Handset – Front View....................................................................................................................................... 9 3.2 Rear View - Handset ....................................................................................................................................... 10 4 Display ............................................................................................................................................................. 11 4.1 Icons and Text on the Display ........................................................................................................................ 11 4.2 Menu icons..................................................................................................................................................... 12 4.3 Keys and Buttons ........................................................................................................................................... 13 4.3.1 Navigation Keys/Selection Key ............................................................................................................... 13 4.3.2 Softkeys .................................................................................................................................................. 13 4.3.4 Speaker Key ............................................................................................................................................ 13 4.3.5 Activity Menu Key ................................................................................................................................... 13 4.3.6 Off-hook Key ........................................................................................................................................... 13 4.3.7 On-hook, and On/Off Key ....................................................................................................................... 13 4.3.8 Speed Dial Keys ....................................................................................................................................... 13 4.3.9 Volume Button ....................................................................................................................................... 13 4.3.10 Mute Button ..............................................................................................................…

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EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS EUT – All View Handset EUT – Front View EUT – Rear View EUT – Top View EUT – Bottom View EUT – Left Side View EUT – Right Side View Charger EUT – Front View EUT – Rear View EUT – Top View EUT – Bottom View EUT – Left Side View EUT – Right Side View EUT – Charger Label 1 View EUT – Charger Label 2 View Adapter EUT – Adapter 1 View EUT – Adapter 1 Label View EUT – Adapter 2 Front View EUT – Adapter 2 Rear View EUT – Adapter 2 Label View

EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS EUT – Cover off View 1 EUT – Cover off View 2 EUT – Main Board Top View EUT – Main Board Top Cover off View 1 EUT – Main Board Top Cover off View 2 EUT – Main Board Bottom View Antenna 1 Antenna 0 EUT – Main Board Bottom Shielding off View EUT – Main Chip View EUT – Battery Top View EUT – Battery Bottom View

Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Dongguan). This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. * This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “*”. SAR EVALUATION REPORT For RTX Hong Kong Ltd. 8/F Corporation Square, 8 Lam Lok Street, Kowloon Bay, Hong Kong FCC ID: T7HCT8440 Report Type: Original Report Product Type: RTX8440 DECT Handset Report Number: RSZ191030017-20A Report Date: 2019-11-15 Reviewed By: Rocky Xiao RF Engineer Prepared By: Bay Area Compliance Laboratories Corp. (Dongguan) No.69 Pulongcun, Puxinhu Industry Area, Tangxia, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RSZ191030017-20A SAR Evaluation Report 2 of 36 Attestation of Test Results EUT Information EUT Description RTX8440 DECT Handset Tested Model RTX8440 Multiple Model CP-6823-3PC-K9 FCC ID T7HCT8440 Serial Number 19103001721 Test Date 2019-11-05 MODE Max. SAR Level(s) Reported(W/kg) Limit (W/kg) DECT 1g Head SAR 0.05 1.6 1g Body SAR 0.06 Applicable Standards FCC 47 CFR part 2.1093 Radiofrequency radiation exposure evaluation: portable devices RF Exposure Procedures: TCB Workshop April 2019 IEEE1528:2013 IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques IEC 62209-2:2010 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices-Human models, instrumentation, and procedures-Part 2: Procedure to determine the specific absorption rate (SAR) for wireless communication devices used in close proximit y to the human body (frequencyrange of 30 MHz to 6 GHz) KDB procedures KDB 447498 D01 General RF Exposure Guidance v06 KDB 648474 D04 Handset SAR v01r03 KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04 KDB 865664 D02 RF Exposure Reportin g v01r02 Note: This wireless device has been shown to be capable of compliance for localized specific absorption rate (SAR) for General Population/Uncontrolled Exposure limits specified in FCC 47 CFR part 2.1093 and has been tested in accordance with the measurement procedures specified in IEEE 1528-2013 and RF exposure KDB procedures. The results and statements contained in this report pertain only to the device(s) evaluated. Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RSZ191030017-20A SAR Evaluation Report 3 of 36 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ......................................................................................................................... 4 EUT DESCRIPTION .................................................................................................................................................... 5 TECHNICAL SPECIFICATION ......................................................................................................................................... 5 REFERENCE, STANDARDS, AND GUIDELINES .................................................................................................. 6 SAR LIMITS ................................................................................................................................................................. 7 FACILITIES .................................................................................................................................................................. 8 DESCRIPTION OF TEST SYSTEM .......................................................................................................................... 9 EQUIPMENT LIST AND CALIBRATION ............................................................................................................. 15 EQUIPMENTS LIST & CALIBRATION INFORMATION .................................................................................................... 15 SAR MEASUREMENT SYSTEM VERIFICATION .............................................................................................. 16 LIQUID VERIFICATION ............................................................................................................................................... 16 SYSTEM ACCURACY VERIFICATION ........................................................................................................................... 17 SAR SYSTEM VALIDATION DATA ..................................................................................................................... 18 EUT TEST STRATEGY AND METHODOLOGY ................................................................................................. 19 TEST POSITIONS FOR DEVICE OPERATING NEXT TO A PERSON’S EAR........................................................................ 19 CHEEK/TOUCH POSITION ........................................................................................................................................... 20 EAR/TILT POSITION ................................................................................................................................................... 20 TEST POSITIONS FOR BODY-WORN AND OTHER CONFIGURATIONS .............................................................................. 21 TEST DISTANCE FOR SAR EVALUATION .................................................................................................................... 21 SAR EVALUATION PROCEDURE ................................................................................................................................. 22 CONDUCTED OUTPUT POWER MEASUREMENT ...............................................................................…

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APPENDIX C PROBE CALIBRATION CERTIFICATES DIPOLE CALIBRATION CERTIFICATES

Report No.: RSZ191030017-20A Page 1 of 12 Test Plot 1#: DECT 1900_Head Left Cheek_Mid_Antenna 0 DUT: RTX8440 DECT Handset; Type: RTX8440; Serial: 19103001721 Communication System: DECT1900; Frequency: 1924.99 MHz;Duty Cycle: 1:19.2 Medium parameters used: f = 1924.99 MHz; σ = 1.443 S/m; ε r = 38.912; ρ = 1000 kg/m 3 Phantom section: Left Section DASY5 Configuration:  Probe: EX3DV4 - SN7329; ConvF(8.29, 8.29, 8.29) @ 1924.99 MHz; Calibrated: 2019/10/22  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn527; Calibrated: 2019/6/13  Phantom: Twin SAM; Type: Twin SAM V5.0; Serial: 1412  Measurement SW: DASY52, Version 52.10 (2); SEMCAD X Version 14.6.12 (7470) Area Scan (101x51x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.0233 W/kg Zoom Scan (7x6x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 2.790 V/m; Power Drift = 0.18 dB Peak SAR (extrapolated) = 0.0950 W/kg SAR(1 g) = 0.044 W/kg; SAR(10 g) = 0.023 W/kg Maximum value of SAR (measured) = 0.0712 W/kg 0 dB = 0.0712 W/kg = -11.48 dBW/kg Report No.: RSZ191030017-20A Page 2 of 12 Test Plot 2#: DECT 1900_Head Left Tilt_Mid_Antenna 0 DUT: RTX8440 DECT Handset; Type: RTX8440; Serial: 19103001721 Communication System: DECT1900; Frequency: 1924.99 MHz;Duty Cycle: 1:19.2 Medium parameters used: f = 1924.99 MHz; σ = 1.443 S/m; ε r = 38.912; ρ = 1000 kg/m 3 Phantom section: Left Section DASY5 Configuration:  Probe: EX3DV4 - SN7329; ConvF(8.29, 8.29, 8.29) @ 1924.99 MHz; Calibrated: 2019/10/22  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn527; Calibrated: 2019/6/13  Phantom: Twin SAM; Type: Twin SAM V5.0; Serial: 1412  Measurement SW: DASY52, Version 52.10 (2); SEMCAD X Version 14.6.12 (7470) Area Scan (101x51x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.0242 W/kg Zoom Scan (6x6x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 3.122 V/m; Power Drift = 0.13 dB Peak SAR (extrapolated) = 0.0480 W/kg SAR(1 g) = 0.022 W/kg; SAR(10 g) = 0.012 W/kg Maximum value of SAR (measured) = 0.0384 W/kg 0 dB = 0.0384 W/kg = -14.16 dBW/kg Report No.: RSZ191030017-20A Page 3 of 12 Test Plot 3#: DECT 1900_Head Right Cheek_Mid_Antenna 0 DUT: RTX8440 DECT Handset; Type: RTX8440; Serial: 19103001721 Communication System: DECT1900; Frequency: 1924.99 MHz;Duty Cycle: 1:19.2 Medium parameters used: f = 1924.99 MHz; σ = 1.443 S/m; ε r = 38.912; ρ = 1000 kg/m 3 Phantom section: Right Section DASY5 Configuration:  Probe: EX3DV4 - SN7329; ConvF(8.29, 8.29, 8.29) @ 1924.99 MHz; Calibrated: 2019/10/22  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn527; Calibrated: 2019/6/13  Phantom: Twin SAM; Type: Twin SAM V5.0; Serial: 1412  Measurement SW: DASY52, Version 52.10 (2); SEMCAD X Version 14.6.12 (7470) Area Scan (101x51x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.0407 W/kg Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 3.369 V/m; Power Drift = 0.13 dB Peak SAR (extrapolated) = 0.0460 W/kg SAR(1 g) = 0.022 W/kg; SAR(10 g) = 0.011 W/kg Maximum value of SAR (measured) = 0.0431 W/kg 0 dB = 0.0431 W/kg = -13.66 dBW/kg Report No.: RSZ191030017-20A Page 4 of 12 Test Plot 4#: DECT 1900_Head Right Tilt_Mid_Antenna 0 DUT: RTX8440 DECT Handset; Type: RTX8440; Serial: 19103001721 Communication System: DECT1900; Frequency: 1924.99 MHz;Duty Cycle: 1:19.2 Medium parameters used: f = 1924.99 MHz; σ = 1.443 S/m; ε r = 38.912; ρ = 1000 kg/m 3 Phantom section: Right Section DASY5 Configuration:  Probe: EX3DV4 - SN7329; ConvF(8.29, 8.29, 8.29) @ 1924.99 MHz; Calibrated: 2019/10/22  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn527; Calibrated: 2019/6/13  Phantom: Twin SAM; Type: Twin SAM V5.0; Serial: 1412  Measurement SW: DASY52, Version 52.10 (2); SEMCAD X Version 14.6.12 (7470) Area Scan (101x51x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.0300 W/kg Zoom Scan (6x7x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 3.534 V/m; Power Drift = 0.19 dB Peak SAR (extrapolated) = 0.0320 W/kg SAR(1 g) = 0.017 W/kg; SAR(10 g) = 0.010 W/kg Maximum value of SAR (measured) = 0.0266 W/kg 0 dB = 0.0266 W/kg = -15.75 dBW/kg Report No.: RSZ191030017-20A Page 5 of 12 Test Plot 5#: DECT 1900_Body Back_Mid_Antenna 0 DUT: RTX8440 DECT Handset; Type: RTX8440; Serial: 19103001721 Communication System: DECT1900; Frequency: 1924.99 MHz;Duty Cycle: 1:19.2 Medium parameters used: f = 1924.99 MHz; σ = 1.443 S/m; ε r = 38.912; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: EX3DV4 - SN7329; ConvF(8.29, 8.29, 8.29) @ 1924.99 MHz; Calibrated: 2019/10/22  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn527; Calibrated: 2019/6/13  Phantom: Twin SAM; Type: Twin SAM V5.0; Serial: 1412  Measurement SW: DASY52, Version 52.10 (2); SEMCAD X Version 14.6.12 (7470) Area Scan (51x101x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.0234 W/kg Zoom Scan (7x6x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 1.617 V/m; Power Drift = -0.10 dB Peak SAR (extrapolated) = 0.0470 W/kg SAR(1 g) = 0.017 W/kg; SAR(10 g) = 0.00901 W/kg Maximum value of SAR (measured) = 0.0286 W/kg 0 dB = 0.0286 W/kg = -15.44 dBW/kg Report No.: RSZ191030017-20A Page 6 of 12 Test Plot 6#: DECT 1900_Body Front_Mid_Antenna 0 DUT: RTX8440 DECT Handset; Type: RTX8440; Serial: 19103001721 Communication System: DECT1900; Frequency: 1924.99 MHz;Duty Cycle: 1:19.2 Medium parameters used: f = 1924.99 MHz; σ = 1.443 S/m; ε r = 38.912; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: EX3DV4 - SN7329; ConvF(8.29, 8.29, 8.29) @ 1924.99 MHz; Calibrated: 2019/10/22  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn527; Calibra…

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Report No.: RSZ191030017-20A Page 1 of 4 APPENDIX B EUT TEST POSITION PHOTOS Liquid depth ≥ 15cm Phantom Type: Twin SAM; Model: Twin SAM V5.0; S/N: 1412 Report No.: RSZ191030017-20A Page 2 of 4 Head Left Cheek Setup Photo Head Left Tilt Setup Photo Report No.: RSZ191030017-20A Page 3 of 4 Head Right Cheek Setup Photo Head Right Tilt Setup Photo Report No.: RSZ191030017-20A Page 4 of 4 Body Back Setup Photo (0mm) Body Front Setup Photo (0mm)

Note: This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15D MEASUREMENT AND TEST REPORT For RTX Hong Kong Ltd. 8/F Corporation Square, 8 Lam Lok Street, Kowloon Bay, Hong Kong FCC ID: T7HCT8440 Report Type: Original Report Product Type: RTX8440 DECT Handset Re port Number: RSZ191030017-00 Re port Date: 2020-01-13 Reviewed B y: Kieron Luo RF En gineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F., West Wing, Third Phase of Wanli Industrial Building, Shihua Road, Futian Free Trade Zone, Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ191030017-00 FCC Part 15D Page 2 of 15 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 3 OBJECTIVE ................................................................................................................................................................... 3 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 3 TEST METHODOLOGY .................................................................................................................................................. 3 MEASUREMENT UNCERTAINTY .................................................................................................................................... 4 TEST FACILITY ............................................................................................................................................................. 4 SYSTEM TEST CONFIGURATION .......................................................................................................................... 5 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 5 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 5 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 5 EXTERNAL I/O CABLE .................................................................................................................................................. 5 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 5 SUMMARY OF TEST RESULTS ............................................................................................................................... 6 TEST EQUIPMENT LIST ........................................................................................................................................... 7 FCC §1.1307 & §2.1093 - RF EXPOSURE .................................................................................................................. 8 APPLICABLE STANDARD .............................................................................................................................................. 8 TEST RESULT ............................................................................................................................................................... 8 FCC§15.317 & §15.203 - ANTENNA REQUIREMENT ........................................................................................... 9 APPLICABLE STANDARD .............................................................................................................................................. 9 ANTENNA CONNECTOR CONSTRUCTION ...................................................................................................................... 9 FCC§15.315 & §15.207 - CONDUCTED EMISSIONS ............................................................................................ 10 APPLICABLE STANDARD ............................................................................................................................................ 10 EUT SETUP ................................................................................................................................................................ 10 EMI TEST RECEIVER SETUP ....................................................................................................................................... 10 TEST PROCEDURE ...................................................................................................................................................... 11 CORRECTED FACTOR & MARGIN CALCULATION ....................................................................................................... 11 TEST RESULTS SUMMARY ...................................................................................................................................…

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Note: This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15D MEASUREMENT AND TEST REPORT For RTX Hong Kong Ltd. 8/F Corporation Square, 8 Lam Lok Street, Kowloon Bay, Hong Kong FCC ID: T7HCT8431 Report Type: Original Report Product Type: RTX8431 DECT Handset Report Number: RSZ191016011-00 Report Date: 2019-12-17 Reviewed By: Kieron Luo RF Engineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F., West Wing, Third Phase of Wanli Industrial Building, Shihua Road, Futian Free Trade Zone, Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ191016011-00 FCC Part 15D Page 2 of 51 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 EXTERNAL I/O CABLE.................................................................................................................................................. 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 TEST EQUIPMENT LIST ........................................................................................................................................... 9 FCC §1.1307 & §2.1093 - RF EXPOSURE................................................................................................................ 10 APPLICABLE STANDARD ............................................................................................................................................ 10 TEST RESULT .....................................................................................................................................…

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