L82-1408Spread Spectrum Cordless Phone System

 Be inspired Operating instructions and safety precautions ! 2 Gigaset 40 0 0 Classic, IM1 eng , A310 08-G40 0 0-B0 01-1- 4000ClaU.fm 12.04.010 Brief overview Display symbols Automatic redial  Scroll left, right  Mailbox icon  Scroll up, down INT INT key  Delete key MENU Menu keyAlarm clock signal OK Confirm I Charging status The display is protected by a plastic film. Remove the plastic film. Current func- tions and display keys The display keys give you access to the functions shown in the dis- play. End call and On/ Off key – End call – Cancel function – Back one menu level (press briefly) – Return to idle state (hold down) – On/off in idle status (hold down) Keypad protection on/off Hold down 1 2 3 ABC DEF 4 5 6 JKL MNOGHI 7 8 9 TUV WXYZ PQRS 0 R ,170 0(1 (18 8            H Directory key Open the directory Ta l k k e y – Accept a call – Dial a number Key 1 – Hold down to select the answering machine/mailbox Ringer on/off Hold down to switch the ringer on/off Recall key –Pause: Hold down – Recall key function Microphone Charging status  flat " 1/3  full  2/3 flashes: Caution Lights up during a call and flashes for: – incoming calls – new messages – alarm calls Status LED Sel Services key Open network access list 3 Gigaset 4000 Classic, IM1 eng, A31008-G4000-B001-1- 4000ClaU.fm 12.04.01 Important menus MENU Open main menu  Scroll through the menus, directory OK Confirm function/entry INT Open supplementary menu  Cancel/end functions MENU SEL SERVICES ALARM CLOCK AUDIO SET CALL CHARGES BASE SET OK ANS MACHINE REGISTER HS H/SET VOL RINGER MELODY  key ANNE BARBARA CHRIS MENU EDIT ENTRY NEW ENTRY SHOW ENTRY DEL ENTRY 4 Gigaset 40 0 0 Classic, IM1 eng , A310 08-G40 0 0-B0 01-1- 4000ClaU.fm 12.04.010 Safety precautions Only use the power supply unit sup- plied as indicated on the underside of the device. Only insert approved rechargeable bat- teries of the same type. Never use ordi- nary (non-rechargeable) batteries as they may pose a health hazard or cause injury. Make sure the rechargeable batteries are inserted the right way round (as indicated in the battery compartment). Use the batteries specified in these operat- ing instructions (as indicated in the battery compartment). The phone may affect medical equipment so always switch your phone off before en- tering hospitals or doctors’ practices. The handset may cause an unpleasant humming noise in hearing aids. Do not operate the phone in places where there is a risk of explosion (such as paint workshops). The handset is not splash-proof. If you give your Gigaset to someone else you should also give them the operating in- structions. Dispose of batteries and the phone careful- ly. Do not pollute the environment. Not all the functions described in these operating in- structions are available in all countries. !  + , )    5 Gigaset 4000 Classic, IM1 eng, A31008-G4000-B001-1- 4000claivz.fm 12.04.01 Contents Brief overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Display symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Important menus . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . 4 Preparing the handset . . . . . . . . . . . . . . . . . . . . . . 6 Delivery package. . . . . . . . . . . . . . . . . . . . . . . . . . 6 Inserting the batteries . . . . . . . . . . . . . . . . . . . . . . 6 Charging the batteries. . . . . . . . . . . . . . . . . . . . . . 6 Attaching the belt clip . . . . . . . . . . . . . . . . . . . . . . 7 Switching the handset on and off . . . . . . . . . . . . . 7 Activating/deactivating the keypad lock . . . . . . . . 7 Changing the display language . . . . . . . . . . . . . . . 8 Registering the handset. . . . . . . . . . . . . . . . . . . . . 9 Making calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Making an external call . . . . . . . . . . . . . . . . . . . . 10 Making internal calls . . . . . . . . . . . . . . . . . . . . . . 10 Answering a call . . . . . . . . . . . . . . . . . . . . . . . . . 11 Forwarding an external call, enquiry call . . . . . . . 11 Automatic redial . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Directory and network access list. . . . . . . . . . . . 13 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Setting the alarm clock . . . . . . . . . . . . . . . . . . . . 17 Handset volume . . . . . . . . . . . . . . . . . . . . . . . . . 18 Ringer volume (“ring tone”) . . . . . . . . . . . . . . . . 18 Ringer melody. . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Activating/deactivating battery low beep . . . . . . 19 Auto talk feature on/off . . . . . . . . . . . . . . . . . . . . 19 Resetting to the factory defaults . . . . . . . . . . . . 19 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Looking after your phone . . . . . . . . . . . . . . . . . . 20 Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Service: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 6 Gigaset 4000 Classic, IM1 eng, A31008-G4000-B001-1-6Z19 4000Cla.fm 17.11. 0 0 Preparing the handset Delivery package Gigaset 4000 Classic handset, two batteries, charging unit, belt clip, operating instructions. Inserting the batteries l Make sure to insert the batteries the right way round – see diagram on the left. l Replace the cover and push gently upwards until it clicks into place. l To open, press the grooved area and slide back . Charging the batteries Leave the handset for approx. five hours in the base station/charging unit to charge the batteries, as they are not charged when they leave the factory. The charging status icon flashes on the handset to indicate that the batteries are being charged: See the appendix for a list of recommended batteries. Before activating your handset, place i…

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s Be inspired Operating Instructions and safety precautions ! 2 Gigaset 4000 Comfort, IM1-eng., A31008-G4000-B002-1-6Z19 4000cou.fm 12.04.01 Brief overview Control key and display keys The display is protected by a plastic film. Remove the plastic film. 1 2 3 ABC DEF INT 4 5 6 JKL MNOGHI 7 8 9 TUV WXYZPQRS 0 Open directory End call and On/Off key Ta l k k e y Sel Services key Open network access list Caller list/ message list –End call – Cancel function – Back one menu level (press briefly) – Return to idle status (hold down) – On/off in idle status (hold down) Handsfree key Switch from handset to handsfree talking Keypad protection on/off Hold down – Accept call –Dial number Ringer on/off Hold down Charging status  flat " 1/3  full  2/3 flashes: Caution The display key s give you access to the functions shown in the display. Signal strength Control key Status LED Display keys Lights up during a call; flashes for: – incoming calls – new messages – alarm calls, appoint- ments, anniversaries Microphone  U" Annabelle 19.07.0113:13 /A Key 1 Hold down to select answering machine/mailbox INT The right display key lets you perform functions, some of which can also be controlled with the control key. The Control is shown as follows in the operating in- structions:   /   (left/right)   /  (up/down) Press down on the side with the arrow filled in. Control key Display keys 3 Gigaset 4000 Comfort, IM1-eng, A31008-G4000-B002-1-6Z19 4000CoU.fm 12.04.01 Important menus Display symbols The following symbols appear above the display keys depending on the situation: Display keys Meaning @ Menu key: Activates the main menu when the phone is idle. During a call, it activates a menu for the particular situation.  Selects and confirms the menu function. Ends and saves an entry.  Delete key (Backspace): Deletes characters from right to left. 0 Automatic redial key: Opens a list of the last five numbers dialled.  Displayed if SMS, answering machine, mail service box or caller list is active R One menu level back, cancel A Text Message Select Services Family/Fun Calendar/Clock Sound Settings Call Charges 2.÷ H/Set Settings Base Settings Answer Machine Handset Volume Ringer Settings Advisory Tones New Entry Anne Barbara Chris : A Display Number Delete Entry Copy Entry Delete List Copy List Available Memory 4 Gigaset 4000 Comfort, IM1-eng., A31008-G4000-B002-1-6Z19 4000cou.fm 12.04.01 Safety precautions Only use the power supply unit supplied as indicated on the underside of the device. Only insert approved rechargeable batteries of the same type. Never use ordinary (non- rechargeable) batteries as they may pose a health hazard or cause injury. Make sure the rechargeable batteries are inserted the right way round (as indicated in the battery compartment), Use the batteries specified in these operating instructions (as indicated in the battery com- partment) The phone may affect medical equipment so always switch your phone off before entering hospitals or doctors’ practices. The handset may cause an unpleasant hum- ming noise in hearing aids. Do not operate the phone in places where there is a risk of explosion (such as paint work- shops). The handset is not splash-proof. Drivers must not use the phone while driving (including the walkie-talkie function). The phone must be switched off at all times in an aircraft (including the walkie-talkie function). Make sure it cannot be switched on acciden- tally. If you give your Gigaset to someone else you should also give them the operating instruc- tions. Dispose of batteries and the phone carefully. Do not pollute the environment. Not all the functions described in these operating instruc- tions are available in all countries. !  7 8 5 1 Gigaset 4000 Comfort, Inland, AXXXXX-G4000-BXXX-X-XX 4000coivz.fm 12.04.01 Gigaset 4000 Comfort, IM1-eng., AXXXXX-G4000-BXXX-X-XX 12.04.01 Contents Brief overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Control key and display keys . . . . . . . . . . . . . . . . . . 2 Important menus . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Display symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . 4 Preparing the handset . . . . . . . . . . . . . . . . . . . . . . 2 Delivery package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Inserting the batteries (automatic registration) . . . . . 2 Charging the batteries . . . . . . . . . . . . . . . . . . . . . . . . 2 Attaching the belt clip . . . . . . . . . . . . . . . . . . . . . . . . 3 Switching the handset on and off . . . . . . . . . . . . . . . 3 Setting the date and time . . . . . . . . . . . . . . . . . . . . . 4 Activating/deactivating the keypad lock . . . . . . . . . . 5 Changing the display language . . . . . . . . . . . . . . . . . 5 Registering the handset. . . . . . . . . . . . . . . . . . . . . 6 Making calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Making an external call . . . . . . . . . . . . . . . . . . . . . . . 7 Making internal calls . . . . . . . . . . . . . . . . . . . . . . . . . 7 Answering a call . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Open caller list/message list . . . . . . . . . . . . . . . . . . . 8 Handsfree talking . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Forwarding an external call, enquiry call . . . . . . . . . . 9 Automatic redial . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Directory and network access list. . . . . . . . . . . . 11 Speed dialling from the network access list . . . . . . 12 Dialling with speed dialling . . . . . . . . . . . . . . . . . . . 12 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Setting the alarm clock . . . . . . . . . . . . . . . . . . . . . . 17 Activating the alarm clock . . . . . . . . . . . . . . . . . . . . 17 Deactivating the alarm clock . . . . . . . . . . . . . . . . . . 17 Turning off the ala…

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s Be inspired Operating Instructions and safety precautions ! 2 Gigaset 4000 Comfort, IM1-eng., A31008-G4000-B002-1-6Z19 4000cou.fm 12.04.01 Brief overview Control key and display keys The display is protected by a plastic film. Remove the plastic film. 1 2 3 ABC DEF INT 4 5 6 JKL MNOGHI 7 8 9 TUV WXYZPQRS 0 Open directory End call and On/Off key Ta l k k e y Sel Services key Open network access list Caller list/ message list –End call – Cancel function – Back one menu level (press briefly) – Return to idle status (hold down) – On/off in idle status (hold down) Handsfree key Switch from handset to handsfree talking Keypad protection on/off Hold down – Accept call –Dial number Ringer on/off Hold down Charging status  flat " 1/3  full  2/3 flashes: Caution The display key s give you access to the functions shown in the display. Signal strength Control key Status LED Display keys Lights up during a call; flashes for: – incoming calls – new messages – alarm calls, appoint- ments, anniversaries Microphone  U" Annabelle 19.07.0113:13 /A Key 1 Hold down to select answering machine/mailbox INT The right display key lets you perform functions, some of which can also be controlled with the control key. The Control is shown as follows in the operating in- structions:   /   (left/right)   /  (up/down) Press down on the side with the arrow filled in. Control key Display keys 3 Gigaset 4000 Comfort, IM1-eng, A31008-G4000-B002-1-6Z19 4000CoU.fm 12.04.01 Important menus Display symbols The following symbols appear above the display keys depending on the situation: Display keys Meaning @ Menu key: Activates the main menu when the phone is idle. During a call, it activates a menu for the particular situation.  Selects and confirms the menu function. Ends and saves an entry.  Delete key (Backspace): Deletes characters from right to left. 0 Automatic redial key: Opens a list of the last five numbers dialled.  Displayed if SMS, answering machine, mail service box or caller list is active R One menu level back, cancel A Text Message Select Services Family/Fun Calendar/Clock Sound Settings Call Charges 2.÷ H/Set Settings Base Settings Answer Machine Handset Volume Ringer Settings Advisory Tones New Entry Anne Barbara Chris : A Display Number Delete Entry Copy Entry Delete List Copy List Available Memory 4 Gigaset 4000 Comfort, IM1-eng., A31008-G4000-B002-1-6Z19 4000cou.fm 12.04.01 Safety precautions Only use the power supply unit supplied as indicated on the underside of the device. Only insert approved rechargeable batteries of the same type. Never use ordinary (non- rechargeable) batteries as they may pose a health hazard or cause injury. Make sure the rechargeable batteries are inserted the right way round (as indicated in the battery compartment), Use the batteries specified in these operating instructions (as indicated in the battery com- partment) The phone may affect medical equipment so always switch your phone off before entering hospitals or doctors’ practices. The handset may cause an unpleasant hum- ming noise in hearing aids. Do not operate the phone in places where there is a risk of explosion (such as paint work- shops). The handset is not splash-proof. Drivers must not use the phone while driving (including the walkie-talkie function). The phone must be switched off at all times in an aircraft (including the walkie-talkie function). Make sure it cannot be switched on acciden- tally. If you give your Gigaset to someone else you should also give them the operating instruc- tions. Dispose of batteries and the phone carefully. Do not pollute the environment. Not all the functions described in these operating instruc- tions are available in all countries. !  7 8 5 1 Gigaset 4000 Comfort, Inland, AXXXXX-G4000-BXXX-X-XX 4000coivz.fm 12.04.01 Gigaset 4000 Comfort, IM1-eng., AXXXXX-G4000-BXXX-X-XX 12.04.01 Contents Brief overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Control key and display keys . . . . . . . . . . . . . . . . . . 2 Important menus . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Display symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . 4 Preparing the handset . . . . . . . . . . . . . . . . . . . . . . 2 Delivery package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Inserting the batteries (automatic registration) . . . . . 2 Charging the batteries . . . . . . . . . . . . . . . . . . . . . . . . 2 Attaching the belt clip . . . . . . . . . . . . . . . . . . . . . . . . 3 Switching the handset on and off . . . . . . . . . . . . . . . 3 Setting the date and time . . . . . . . . . . . . . . . . . . . . . 4 Activating/deactivating the keypad lock . . . . . . . . . . 5 Changing the display language . . . . . . . . . . . . . . . . . 5 Registering the handset. . . . . . . . . . . . . . . . . . . . . 6 Making calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Making an external call . . . . . . . . . . . . . . . . . . . . . . . 7 Making internal calls . . . . . . . . . . . . . . . . . . . . . . . . . 7 Answering a call . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Open caller list/message list . . . . . . . . . . . . . . . . . . . 8 Handsfree talking . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Forwarding an external call, enquiry call . . . . . . . . . . 9 Automatic redial . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Directory and network access list. . . . . . . . . . . . 11 Speed dialling from the network access list . . . . . . 12 Dialling with speed dialling . . . . . . . . . . . . . . . . . . . 12 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Setting the alarm clock . . . . . . . . . . . . . . . . . . . . . . 17 Activating the alarm clock . . . . . . . . . . . . . . . . . . . . 17 Deactivating the alarm clock . . . . . . . . . . . . . . . . . . 17 Turning off the ala…

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Gigaset 4000 handset Confidential Page 2 of 8 SiemensAG C:\WINNT\Temporary Internet Files\OLKC\JoeHsWDCT_Produktbeschreibung.doc G4000 block diagram ("Gigaset 4000 handset") EEPROM 1K x 8 Display with backlight 180 Segments / Mux.6 I2C-interface RF-Modul (Infineon Step 8) RESET 10.368MHz / 2.5ppm 2,65V Analog + Display charge connection MWI Keypad 20 keys+ 1 (on / off) PMB 7724 - μP ECO+ (8051) - 128kB ROM - 4kB RAM - Analog Part - Temperature sensor charge switch overvoltage protection CDT Charge Stop power-bilanz 330 μF 3,6V Synth. 1,9V μP Core U_Accu 2V ..3,6V earpiece Microphone PA 2,0V...3,4V max fuse structur headset connector

Technical Description Gigaset 4010 Confidential Page 3 of 10 Siemens AG C:\WINNT\Temporary Internet Files\OLKC\Joe_BS_WDCT_Produktbeschreibung.doc Gigaset 4010 WDCT standard base station block diagram EEPROM 2K Joe Lineinterface Network, PSTN I2C RF-Modul RESQ Quarz 10MHz 2,65V AC-NAG a)mit Ladestrom b)ohne Ladestrom Ladekreis 3,8V PA +Synth. 2,65V Dig. 3,8V Anmelde-Taster LDO_2.65 PMB 7726 - μP ECO+ (8051) - 320kB Flash / ROM - 6,5kB RAM - WDCT-DSP - Analog Part Infineon TLE4307 ca. 180/6 mA DC

Gigaset 4000 handset Confidential Page 2 of 8 SiemensAG C:\WINNT\Temporary Internet Files\OLKC\JoeHsWDCT_Produktbeschreibung.doc G4000 block diagram ("Gigaset 4000 handset") EEPROM 1K x 8 Display with backlight 180 Segments / Mux.6 I2C-interface RF-Modul (Infineon Step 8) RESET 10.368MHz / 2.5ppm 2,65V Analog + Display charge connection MWI Keypad 20 keys+ 1 (on / off) PMB 7724 - μP ECO+ (8051) - 128kB ROM - 4kB RAM - Analog Part - Temperature sensor charge switch overvoltage protection CDT Charge Stop power-bilanz 330 μF 3,6V Synth. 1,9V μP Core U_Accu 2V ..3,6V earpiece Microphone PA 2,0V...3,4V max fuse structur headset connector

TRP April 26, 2001 Federal Communications Commission 7435 Oakland Mills Rd Columbia, MD 21036 Regarding: FCC ID:L82-1408 Dear Sir or Madam: Siemens herewith files an application for Equipment Authorization for a spread spectrum cordless telephone system. Information has been filed for two styles of handsets and a base unit. Models submitted in this application at this time are identified as Gigaset 4000, Gigaset 4010 and Gigaset 4200 consisting of two handsets and one base unit. Technical information for additional base unit models will be submitted to cover three additional units if it becomes available before the grant is issues for the current equipment. If the grant has been issued before the technical information becomes available, a request for a Class II permissive change will be filed to cover the additonal base units under the same FCCID. Although the radiated power from the handsets is very low due to the duty cycle of transmission, RF exposure information will be filed for the handsets in approximately two to three weeks. Sincerely, Phillip Inglis Consultant 14085 Howard Rd Dayton, MD 21036

April 28, 2001 CONFIDENTIALITY REQUEST Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Re:Siemens, application for Spread Spectrum Transmitter FCC ID: L82-1408 Gentlemen: Siemens herein submits an Application for Equipment Authorization and submission of the FCC fee in the amount of $1130.00 along with Form 159 for certification of a spread spectrum cordless telephone system transmitter under FCC Rules Part 15 as required by the FCC Rules. Siemens requests, pursuant to 47CFR 0.459, post grant confidentiality for portions of the material contained in this application such that the identified material will be withheld from public inspection following the grant of this authorization. This material, as indicated by request for confidentiality of the item during the electronic submission process and further identified below, includes: 1. Circuit diagrams submitted as Equipment Authorization Electronic Filing attachment: 4000handset schematics, 4010base schematics, 4200 handset schematics, 2. Parts list submitted for the 4000 and 4200 handsets and the 4010 base unit, 3. Technical descriptions submitted for the 4000 and 4200 handsets and the 4010 base unit. Specifically, these exhibit contain information relating to circuit function and complexity that could be of benefit to competitors. The material contains trade secrets and confidential information that Siemens does not customarily release to the public and which is otherwise not generally available to the public. Please contact the undersigned by phone at 410-531-3439, by fax at 410-531-0807, by email at [email protected], or by correspondence at the address below if there are any further questions or additional information needed concerning this filing. Regards, (signed) Phillip Inglis, TRP/Cetecom bvba 14085 Howard Rd. Dayton, MD. 21036

CETECOM ICT Services GmbH Test report nr..:4-0331-A/01Issue Date:19.04.01Page 56 (59) Photographs of the equipment Photograph no.: 1 GIGASET 4000 with GIGASET 4000 Charger

CETECOM ICT Services GmbH Test report nr..:4-0331-C/01Issue Date:19.04.01Page 58 (61) Photographs of the equipment Photograph no.: 1 GIGASET 4010 Basestation with 110V AC Adapter CETECOM ICT Services GmbH Test report nr..:4-0331-C/01Issue Date:19.04.01Page 59 (61) Photographs of the equipment Photograph no.: 2

CETECOM ICT Services GmbH Test report nr..:4-0331-B/01Issue Date: 19.04.01Page 56 (59) Photographs of the equipment Photograph no.: 1 GIGASET 4200 with GIGASET 4000 Charger

CETECOM ICT Services GmbH Test report nr..:4-0331-A/01Issue Date:19.04.01Page 57 (59) Photographs of the equipment Photograph no.: 2 CETECOM ICT Services GmbH Test report nr..:4-0331-A/01Issue Date:19.04.01Page 58 (59) Photographs of the equipment Photograph no.: 3 CETECOM ICT Services GmbH Test report nr..:4-0331-A/01Issue Date:19.04.01Page 59 (59) Photographs of the equipment Photograph no.: 4

CETECOM ICT Services GmbH Test report nr..:4-0331-C/01Issue Date:19.04.01Page 60 (61) Photographs of the equipment Photograph no.: 3 CETECOM ICT Services GmbH Test report nr..:4-0331-C/01Issue Date:19.04.01Page 61 (61) Photographs of the equipment Photograph no.: 4

CETECOM ICT Services GmbH Test report nr..:4-0331-B/01Issue Date: 19.04.01Page 57 (59) Photographs of the equipment Photograph no.: 2 CETECOM ICT Services GmbH Test report nr..:4-0331-B/01Issue Date: 19.04.01Page 58 (59) Photographs of the equipment Photograph no.: 3 CETECOM ICT Services GmbH Test report nr..:4-0331-B/01Issue Date: 19.04.01Page 59 (59) Photographs of the equipment Photograph no.: 4

SAR COMPLIANCE TESTING OF SIEMENS MODELS 4000 AND 4200 PORTABLE TELEPHONES FINAL TECHNICAL REPORT April 27, 2001 Submitted to:Mr. Joe Jackson VP, Marketing Communication Certification Laboratory 1940 West Alexander Street Salt Lake City, UT 84119-2039 Submitted by:Om P. Gandhi Professor of Electrical Engineering University of Utah 50 S Central Campus Dr., Rm. 3280 Salt Lake City, UT 84112-9206 SAR COMPLIANCE TESTING OF SIEMENS MODELS 4000 AND 4200 PORTABLE TELEPHONES I. Introduction The U.S. Federal Communications Commission (FCC) has adopted limits of human exposure to RF emissions from mobile and portable devices that are regulated by the FCC [1]. The FCC has also issued Supplement C (Edition 97-01) to OET Bulletin 65 defining both the measurement and the computational procedures that should be followed for evaluating compliance of mobile and portable devices with FCC limits for human exposure to radiofrequency emissions [2]. The Siemens Models 4000 and 4200 Portable Telephones radiate a peak power of up to 19.5 dBm measured by the Communication Certification Laboratory (CCL), Salt Lake City, Utah. However, both of the telephones operate in the TDMA mode with a pulse duration of 0.88 ms for each of the 10 ms intervals. With a duty cycle of 0.088, the source-based time-averaged radiated power can be as high as 7.84 mW. The frequency band of transmission channels for both Models 4000 and 4200 Portable Telephones can vary from 2401 MHz (channel 00) to 2482 MHz (channel 94, Hex display band channel 5E). Since each of the telephones may be held either against the head or against the torso, the SAR compliance testing was done for both of the handsets held against the phantom model of the head or a planar lossy tissue-simulant model as a surrogate of the torso. Both Models 4000 and 4200 Portable Telephones use internal antennas printed or mounted close to the top edge of the respective handsets on the right hand side. Thus as recommended in [2], both of the telephones were placed against the left ear for SAR measurements against the head phantom. This allows the antenna to be in close proximity to the model of the head resulting in higher SARs allowing, thereby, the worst case determination of absorbed energy in the user's head [3]. Also as recommended in [2], the SAR distributions were measured without the model of a hand to determine the worse case SARs. 2 II. The Tissue-Simulant Models For measurements of the SAR distributions for telephones held against the head, we have used the Utah Experimental Model that is described in detail in [4]. This model uses a lossy outer shell of the following approximate dimensions: Axial length from chin to top of the head = 26 cm Distance from location of the ear canal to top of the head = 14.7 cm Width from side to side = 16.5 cm These dimensions are typical for adult human beings. The shell thickness of the head and neck model is approximately 4-7 mm, which is typical of the human skull thickness. The thickness for the ear region is, however, considerably less and is only about 3 mm. A photograph of both of the Siemens Models 4000 and 4200 Portable Telephones is given in Fig. 1. The head phantom model with the Siemens Model 4000 (black front) held against it is shown in Fig. 2. The head-simulant model shown in Fig. 2 has, in the past, been used for comparison of the measured peak 1-g SARs with those obtained with the Utah FDTD Code for ten wireless telephones, five at 835 MHz and five for PCS (1900 MHz) frequencies [see Table 1]. The numerical SARs were obtained using the anatomically-based, 15-tissue Utah model of the head and neck with a resolution of 1.974 × 1.974 × 3.0 mm that has been described in the scientific literature through numerous publications (see e.g. references 3, 5). The measured and calculated 1-g SARs for these ten telephones, including some research test samples from diverse manufacturers using a variety of radiating antennas for different source-based time-averaged powers are compared in Table 1 [4]. Even though widely different peak 1-g SARs from 0.13 to 5.41 W/kg are obtained because of the variety of antennas and handsets, agreement between the calculated and the measured data is excellent and generally within ± 25 percent. These tests validate the Utah Experimental Phantom Model as being capable of giving peak 1-g SARs that are in good agreement with the SARs obtained with the realistic, anatomically-based model of the human head and neck both at 835 and 1900 MHz. 3 The head and neck and the upper part of the torso of the model are filled with a liquid with measured electrical properties (dielectric constant and conductivity) close to the average properties of the brain for white and gray matters in the frequency band 2401-2482 MHz. Taken from the FCC Website (http://www.fcc.gov/fcc-bin/dielec.sh), the average dielectric properties for the brain are: ε r = 42.5 and σ = 1.51 S/m. For a composition of 43.0% water, 54.7% sugar, 1.3% salt (NaC l) and 1.0% HEC, we have measured the values of ε r = 42.7 ± 1.3 and σ = 1.50 ± 0.04 S/m at the midband frequency of 2444 MHz using the HP Model 85070 B Dielectric Probe in conjunction with HP Model 8720 C Network Analyzer (50 MHz - 20 GHz). Since these values are very close to the desired values for ε r and σ, this composition was, therefore, used as the biological phantom material to fill the head-simulant model shown in Fig. 2. For the SAR distributions of the telephones placed against the torso, we …

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