AL8SEMPRE1.9GHz DECT Cordless Phone with Bluetooth - Base

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INTERTEK TESTING SERVICES External Photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE external photos - 1 of 2 HK13070637 Job Number HK13070637 Job Number INTERTEK TESTING SERVICES External Photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE external photos - 2 of 2

Sempre Rev.3 09/30/2013 SEMPRE 58271100001 Size: 46mm x 24mm 8.8mm 9 70255 Intertek CM Sempre 08 020764 M M M M Size: 70mm x 24mm

INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 1 of 14 Base Unit assembly Base Unit Main PCB comp side (View 1) INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 2 of 14 Base Unit Main PCB comp side (View 2) Base Unit Main PCB comp side (View 3) INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 3 of 14 Base Unit Main PCB comp side (View 4) Base Unit Main PCB solder side (View 1) INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 4 of 14 Base Unit Main PCB solder side (View 2) Base Unit Antenna 1 INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 5 of 14 Base Unit Antenna 2 (View 1) Base Unit Antenna 2 (View 2) INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 6 of 14 Base Unit Keypad front side Base Unit Keypad rear side INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 7 of 14 Base Unit another Keypad front side Base Unit another Keypad rear side INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 8 of 14 Base Unit Page Key front side Base Unit Page Key rear side (View 1) INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 9 of 14 Base Unit Page Key rear side (View 2) Base Unit Volume board front side (View 1) INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 10 of 14 Base Unit Volume board front side (View 2) Base Unit Volume board front side (View 3) INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 11 of 14 Base Unit Volume board rear side Base Unit Display front side INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 12 of 14 Base Unit Display rear side Base Unit Oscillator PCB comp side INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 13 of 14 Base Unit Oscillator PCB solder side Base Unit Bluetooth RF Module comp side INTERTEK TESTING SERVICES Internal photos FCC ID: AL8SEMPRE IC: 1186C-SEMPRE internal photos - 14 of 14 Base Unit Bluetooth RF Module solder side

INTERTEK TESTING SERVICES FCC ID: AL8SEMPRE RF exposure - 1 of 3 For Maximum Permissible Exposure (MPE) evaluation of the base unit, the maximum power density at 20 cm from this mobile transmitter shall be less than the General Population / Uncontrolled MPE limit in OET Bulletin 65 and meet the requirement listed in KDB447498. The setup and equipment setting were made in accordance with ANSI C63.17. The antenna of EUT transmitter was replaced by a coaxial cable. The impendence matching of connection, cable loss and external RF attenuator are taken into account. The EUT was arranged to communicate via a fixed carrier frequency between its transmitter and a companion device. The transmission was configured in burst mode with pseudo-random data as typical as normal operation. EUT Companion Device Spectrum Analyze r Directional Coupler INTERTEK TESTING SERVICES FCC ID: AL8SEMPRE RF exposure - 2 of 3 For the 1.9GHz DECT Transmission of tested model: SEMPRE, the measured powers among all the measured channels were within its production tolerance: +15.5 dBm (Minimum) and +20 dBm (Maximum). The antenna gain of SEMPRE is 0 dBi = 1.00 (num gain) and its maxi mum source-based time-averaging duty factor is 20.8% (5/24 x100%). From these data and its operating configuration – Mobile device, the exposed power density at a distance (R) of 20cm from the center of radiation of the antenna can be calculated according to OET Bulletin 65 as follow: The Conducted Power = 20 dBm = 100.0 mW The Conducted Power source-based time-averaging output power = (100.0 * 0.208) mW = 20.8 mW The power density at 20cm = 20.8 *1.00/ 4R 2 = 0.0041 mW cm -2 For the 2.4GHz Bluetooth Transmission of tested model: SEMPRE, the measured powers among all t he measured channels were within its production tolerance: -8 dBm (Minimum) and +4 dBm (Maximum). The antenna gain of SEMPRE is 0 dBi = 1.00 (num gain) and its maxi mum source-based time-averaging duty factor is 83.3% (5/6 x100%). From these data and its operating configuration – Mobile device, the exposed power density at a distance (R) of 20cm from the center of radiation of the antenna can be calculated according to OET Bulletin 65 a s follow: The Conducted Power = 4 dBm = 2.5 mW The Conducted Power source-based time-averaging output power = (2.5 * 0.833) mW = 2.09 mW The power density at 20cm = 2.09 *1.00/ 4R 2 = 0.0004 mW cm -2 INTERTEK TESTING SERVICES FCC ID: AL8SEMPRE RF exposure - 3 of 3 Per KDB 447498 D01 v05, simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on calculated or measured field strengths or power density, is ≤ 1.0. The MPE ratio for DECT Transmission can be calculated as follow: = The power density at 20cm / MPE limit = 0.0041 mW c m -2 / 1.0 mW cm -2 = 0.0041 The MPE ratio for Bluetooth Transmission can be calculated as follow: = The power density at 20cm / MPE limit = 0.0004 mW c m -2 / 1.0 mW cm -2 = 0.0004 The sum of the MPE ratios for all simultaneous transmitting antennas = 0.0041 + 0.0004 = 0.0046 As the sum of MPE ratios for all simultaneous transmitting antennas is ≤ 1.0, simultaneous transmission MPE test exclusion will be applied. Conclusion In frequency range of 1,500 - 100,000MHz, the MPE limit is 1.0 mWcm -2 for general population and uncontrolled exposure. As simultaneous transmission MPE test exclusion is applied and the measured power density at 20cm from all the standalone transmissions is lower than the MPE limi t, the compliance to the MPE limit can be ensured by indicating the minimum 20cm separation between the transmitter's radiating structures and body of the user or near by persons. The following RF exposure statement is proposed to be included in the user manual: “ FCC RF Radiation Exposure Statement Caution: To maintain compliance with the FCC’s RF exposure guidelines, place the base unit at least 20cm from nearby persons.”

Issuing Laboratory: Intertek Testing Services Hong Kong Limited Hong Kong Accreditation Service (HKAS) has accredited this laboratory under the Hong Kong Laboratory Accreditation Scheme (HOKLAS) for specific laboratory activities as listed in the HOKLAS directory of accredited laboratories. The results shown in this report were determined by this laboratory in accordance with its terms of accreditation. Test Report Number: 13070637HKG-001 Page 1 of 73 FCC ID: AL8SEMPRE IC: 1186C-SEMPRE Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2785 5487 Website: www.hk.intertek-etlsemko.com GENERAL INFORMATION Applicant Name (FCC): Plantronics, Inc. Applicant Address: 345 Encinal Street Santa Cruz, CA 95060 USA FCC Specification Standard: FCC Part 15, October 1, 2012 Edition FCC ID: AL8SEMPRE FCC Model(s): SEMPRE Applicant Name (IC): Clarity, A Division of Plantronics, Inc. Applicant Address: 6131 Preservation Drive Chattanooga, TN 37416 USA IC Specification Standard: RSS-213 Issue 2, December 2005 RSS-Gen Issue 3, December 2010 IC: 1186C-SEMPRE IC Model(s): SEMPRE Type of EUT: Unlicensed Personal Communications Service Devices Description of EUT: 1.9GHz Digital Modulation Cordless Phone with Caller ID, Speakerphone, Digital Answering Machine and Bluetooth - Base Unit Serial Number: N/A Sample Receipt Date: July 15, 2013 Date of Test: Jul 24, 2013 to August 28, 2013 Report Date: November 28, 2013 Environmental Conditions: Temperature: +10 to 40°C Humidity: 10 to 90% Issuing Laboratory: Intertek Testing Services Hong Kong Limited Hong Kong Accreditation Service (HKAS) has accredited this laboratory under the Hong Kong Laboratory Accreditation Scheme (HOKLAS) for specific laboratory activities as listed in the HOKLAS directory of accredited laboratories. The results shown in this report were determined by this laboratory in accordance with its terms of accreditation. Test Report Number: 13070637HKG-001 Page 2 of 73 FCC ID: AL8SEMPRE IC: 1186C-SEMPRE Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2785 5487 Website: www.hk.intertek-etlsemko.com Table of Contents 1.0 Test Results Summary & Statement of Compliance......................................... 5 1.1 Summary of Test Results .................................................................................. 5 1.2 Statement of Compliance .................................................................................. 6 2.0 General Description............................................................................................ 8 2.1 Product Description ............................................................................................ 8 2.2 Technical Description ......................................................................................... 8 2.3 Test Methodology............................................................................................... 8 2.4 Test Facility........................................................................................................ 9 3.0 System Test Configuration............................................................................... 11 3.1 Justification ...................................................................................................... 11 3.2 Conducted Emission Test Configuration ........................................................... 11 3.3 Conducted Monitoring and Operational Test Configuration ............................... 12 3.4 EUT Exercising Software.................................................................................. 12 3.5 Details of EUT and Description of Accessories................................................. 13 3.6 Measurement Uncertainty ................................................................................ 13 4.0 Measurement Results....................................................................................... 15 4.1 Antenna Requirement...................................................................................... 15 4.2 Digital Modulation Techniques.......................................................................... 15 4.3 Emission Bandwidth......................................................................................... 16 4.4 Directional Gain of the Antenna ........................................................................ 19 4.5 Peak Transmit Power ....................................................................................... 20 4.6 Power Spectral Density .................................................................................... 23 4.7 Automatic Discontinuation of Transmission....................................................... 26 4.8 Unwanted Emission Inside the Sub-Band ......................................................... 27 4.9 Emissions Outside the Sub-Band ..................................................................... 31 4.9.1 Radiated Emissions Configuration Photographs ............................................ 32 4.9.2 Radiated Emissions Data .............................................................................. 32 4.9.3 Field Strength Calculation.............................................................................. 38 4.9.4 Average Factor Calculation and Transmitter ON Time Measurements ........... 39 4.10 AC Power Line Conducted Emissions ............................................................ 40 4.10.1 AC Power Line Conducted Emissions Configuration Photographs ............... 41 4.10.2 AC Power Line Conducted Emissions Data ................................................. 41 4.11 Frame Repetition Stability ............................................................................. 54 4.12 Frame Period and Jitter ................................................................................. 55 4.13 Carrier Frequency…

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AL8SEMPRE 2

INTERTEK TESTING SERVICES The Worst Case Configuration Photographs - Mode: Transmission FCC ID: AL8SEMPRE IC: 1186C-SEMPRE config photos (radiated emission - base unit) - 1 of 1 Radiated Emission - Base Unit Front View Rear View INTERTEK TESTING SERVICES The Worst Case Configuration Photographs – Mode: Conference Talk via PSTN Line (Base Handset and Cordless Handset) FCC ID: AL8SEMPRE IC: 1186C-SEMPRE config photos (conducted emission) - 1 of 2 Conducted Emission Front View Right Side View INTERTEK TESTING SERVICES The Worst Case Configuration Photographs – Mode: Conference Talk via PSTN Line (Base Handset and Cordless Handset) FCC ID: AL8SEMPRE IC: 1186C-SEMPRE config photos (conducted emission) - 2 of 2 Conducted Emission Left Side View