NBZNRM-U5203G Wireless PC Card Modem

GU-90023487 REVISION 1 MERLIN U520 USER MANUAL The information contained in this document is subject to change without notice and should not be construed as a commitment by Novatel Wireless Inc. unless such commitment is expressly given in a covering document. M M E E R R L L I I N N U U 5 5 2 2 0 0 U U S S E E R R G G U U I I D D E E 2 2 GU-90023487 Revision 2 1 Getting started................................................................................................................................................4 1.1 Your UMTS account.........................................................................................................................................4 1.2 Your UMTS Merlin...........................................................................................................................................4 1.3 The UMTS package...........................................................................................................................................4 1.4 Getting started................................................................................................................................................5 1.5 System requirements.......................................................................................................................................5 1.6 Care of your Merlin.........................................................................................................................................5 1.7 Installing MobiLink..........................................................................................................................................7 1.7.1 Windows 2000 Installation.......................................................................................................................7 1.7.2 Windows 2000 detects your UMTS Merlin.................................................................................................9 1.7.3 Windows XP Installation........................................................................................................................11 1.7.4 Windows XP detects your UMTS Merlin...................................................................................................13 2 Mobilink..........................................................................................................................................................15 2.1 Starting Mobilink...........................................................................................................................................15 2.1.1 Main Display Window............................................................................................................................15 2.1.2 Icon Display Window.............................................................................................................................16 2.1.3 Features...............................................................................................................................................17 2.1.4 Creating a data session.........................................................................................................................18 3 sending and receiving sms messages..........................................................................................................23 3.1 What is SMS.................................................................................................................................................23 3.1.1 MobiLink’s SMS Window........................................................................................................................23 3.1.2 Sending SMS Messages.........................................................................................................................24 3.1.3 Receiving and Reading SMS Messages....................................................................................................25 4 Determine Merlin states................................................................................................................................27 5 Troubleshooting.............................................................................................................................................29 5.1 Cannot install MobiLInk.................................................................................................................................30 5.2 Problem: When I run the MobiLink software, I get the message “No Card Detected”.........................................30 5.3 Problem: When I insert the modem, I get Unknown_PCMCIA_Manufacturer” instead of “Novatel_ Wireless Merlin_UMTS_Modem............................................................................................................................................32 5.4 Problem: When I run the MobiLink software, I get the message “SIM not Found – Check Orientation?”............32 5.5 Problem: Modem cannot read SIM. LED flashing RED....................................................................................32 5.6 Problem: When I run MobiLink software, the Window “searching for network” will be displayed continuously....33 5.7 Problem: Cannot browse the Web.................................................................................................................33 6 Product specification.....................................................................................................................................37 6.1 Technical specification...................................................................................................................................37 6.2 Environmental specification...........................................................................................................................37 M M E E R R L L I I N N U U 5 5 2 2 0 0 U U S S E E R R G G U U I I D D E E 3 3 GU-90023487 Revision 2 7 Safety regulations...................................................................…

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M M E E R R L L I I N N U U 5 5 2 2 0 0 U U S S E E R R G G U U I I D D E E 2 2 3 3 GU-90023487 Revision 2 3 SENDING AND RECEIVING SMS MESSAGES In This Section • What is SMS • Use The SMS client in MobiLink to send SMS messages • Use the SMS client in MobiLink to read messages This section will assist you in using the Short Messaging System client in MobiLink 3.1 WHAT IS SMS Short Message Service (SMS) is the transmission of short text messages to and from mobile devices. Messages cannot be longer than 160 alpha-numeric characters and cannot contain any images or graphics. To send or receive an SMS message you only have to be attached to the Network. You may also send and receive SMS messages while connected to the Network. NOTE: THE SMS CLIENT ICON WILL ONLY BECOME ACTIVE ONCE YOU ARE ATTACHED TO THE NETWORK. ATTACHED TO NETWORK: YOU CANNOT TRANSFER DATA CONNECTED TO NETWORK: YOU CAN TRANSFER DATA (BROWSE INTERNET, CHECK EMAIL ETC...) 3.1.1 MobiLink’s SMS Window FIGURE 33 Organizational folders for SMS List of SMS messages Selected SMS messages M M E E R R L L I I N N U U 5 5 2 2 0 0 U U S S E E R R G G U U I I D D E E 2 2 4 4 GU-90023487 Revision 2 MobiLink SMS Toolbar Description New SMS Message: Creates a new message Delete: Deletes the selected SMS message(s) Reply: Copies the sender field to a new message Forward Copies the message contents to a new message SMS Mailbox Description Inbox: contains received messages Outbox: is a temporary storage place for messages waiting to be sent Sent: stores the SMS messages that have been sent 3.1.2 Sending SMS Messages 1. Start MobiLink by Double-clicking on the MobiLink icon, located on your desktop. 2. After MobiLink initializes your UMTS Merlin, it searches for a Network and attempts to attach to the Network. If the attach process is successful you will see Figure 34 FIGURE 34 3. At this point you have successfully attached to the Network and will be able to send and receive SMS messages. Also, the SMS client icon will now be active. NOTE: AT THIS POINT YOU WILL NOT BE ABLE TO SEND OR RECEIVE DATA (BROWSE WEB OR CHECK EMAILS) UNLESS YOU CONNECT TO THE NETWORK BY CLICKING THE CONNECT BUTTON. 4. Click on the SMS client icon (lower pane second icon from left) and the MobiLink SMS window will appear. See Figure 33 above. 5. Click on the New SMS Message button on the MobiLink SMS Window toolbar. Figure 35 below will appear. 6. In the To box, type the phone number of each recipient, separating names with a semicolon (;). To add phone numbers from the Address Book, click the To button and then select the phone number. 7. Type your message, and then click Send on the toolbar. M M E E R R L L I I N N U U 5 5 2 2 0 0 U U S S E E R R G G U U I I D D E E 2 2 5 5 GU-90023487 Revision 2 NOTE: WHEN YOU SEND A NEW MESSAGE OR REPLY TO A MESSAGE, YOU CAN ASSIGN THE MESSAGE A PRIORITY SO THE RECIPIENT KNOWS IF THE MESSAGE IS EITHER AN EMERGENCY OR URGENT MESSAGE. IN THE COMPOSE MESSAGE WINDOW, CLICK THE EMERGENCY OR URGENT BUTTON ON THE TOOLBAR. 3.1.3 Receiving and Reading SMS Messages Once you are attached to the Network (See figure 34), you are able to receive SMS messages. MobiLink will notify you when you receive an SMS message. You will see figure 36. FIGURE 36 M M E E R R L L I I N N U U 5 5 2 2 0 0 U U S S E E R R G G U U I I D D E E 2 2 6 6 GU-90023487 Revision 2 If you are connected to the Network, all you have to do is move your mouse cursor on the envelope icon in the icon display window (top pane MobiLink’s window) and it will indicate if you have a message. After the SMS Client receives your messages you can read messages by selecting the SMS client icon (lower pane second icon from left) MobiLink’s SMS window will appear. See Figure 33 above. 1. Click the Inbox icon in the Folders list. 2. To view the message in the lower pane, click the message in the message list. You may also view messages from the Outbox and Sent folders. M M E E R R L L I I N N U U 5 5 2 2 0 0 U U S S E E R R G G U U I I D D E E 2 2 7 7 GU-90023487 Revision 2 4 DETERMINE MERLIN STATES In This Section • Determine the current state of your UMTS Merlin, by interpreting the cadence (flashing sequence) and colour of the Light Emitting Diode The Light Emitting Diode (LED) is a device that lights up when power is applied to it. Interpreting the LED’s flashing sequence and color, will provide you with the current state of your UMTS Merlin. See Table 1 below. Cadence (flashing sequence) LED Display Merlin State Cause Remedy (1/4sec) 250ms ON (1/4sec) 250ms OFF RED Merlin trying to read SIM The modem is unable to read the SIM. An error has occurred in the modem firmware. See Section 5, Problem 5 ON (Not flashing) RED Merlin Searching for wireless service The Merlin is not receiving a signal from the wireless network See Section 5, Problem 6 (1/4sec) 250ms ON (1 3/4sec) 1750ms OFF BLUE Your Merlin is currently receiving a UMTS circuit switched signal from the network and has registered on the circuit switched domain (1/4sec) 250ms ON (1/4sec) 250ms OFF (1/4sec) 250ms ON (1 3/4sec) 1750ms OFF BLUE Your Merlin is currently receiving a UMTS packet switched signal from the network and has registered on the packet switched domain (also CS i.e PS or PS+CS ) ON (Not flashing) BLUE Your Merlin is currently PDP context activated on the UMTS system. TABLE 1 M M E E R R L L I I N N U U 5 5 2 2 0 0 U U S S E E R R G G U U I I D D E E 2 2 8 8 GU-90023487 Revision 2 NOTE: WHEN THE MODEM TRANSITIONS FROM ONE STATE TO ANOTHER, THE ACTUAL LED DISPLAY WILL NOT CHANGE IMMEDIATELY, RATHER, IT WILL ONLY CHANGE ONCE THE MODEM HAS CONFIRMED THAT THE NEW STATE IS VALID. FOR EXAMPLE, WHEN THE MODEM IS TAKEN OUT OF A SERVICE AREA IT MIGHT TAKE THE MODEM 10 TO 90 SECONDS TO CONFIRM THAT NO SERVICE IS AVAILABLE AT WHICH TIME THE LED DISPLAY WILL CHANGE STATES ACCORDINGLY. PDP Context Activation Process: To connect to a PDN, such as the Internet, some sort of session description information needs to exist (i.e. t…

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Novatel Wireless Technologies, LTD. Suite 200, 6715-8 th Street NE Calgary, Alberta Canada, T2E 7H7 (Tel) 403-295-4800 (Fax) 403-295-4801 06 May 2004 Att: Reviewing Engineer Federal Communication Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD, 21046 Reference: FCC ID: NBZNRM-U520 Merlin U520 Wireless Modem Dear Sir / Madam, Pursuant to 47 CFR Chapter 1 Section 0.457(d), Novatel Wireless Inc. requests that the following material submitted with the Certification Application be withheld from public disclosure. This material contains trade secrets and technical details are that are customarily guarded from competitors and not released to the general public by Novatel Wireless Technologies Inc. 1. Schematic Diagrams 2. Block Diagrams, RF and Digital 3. Technical Manual 4. Bill of Materials Sincerely, Kevin Goodfellow Head of Certification Engineering Novatel Wireless Technologies Ltd.

Novatel Wireless Technologies Ltd. FCC ID: NBZNRM-U520 EXHIBIT C - EUT PHOTOGRAPHS EUT – Front View EUT – Back View

EXHIBIT A - FCC ID LABELING AND WARNING STATEMENT Proposed FCC ID Label Specifications: Text is black or white in color and is left justified. Labels are silk-screened and shall be “permanently affixed” at a conspicuous location on the EUT. Proposed Label Location on EUT Back View of the EUT/Proposed ID Label Location FCC Warning Statement A FCC Warning Statement is provided in the product manual. FCC ID: NBZNRM-U520 FCC ID: NBZNRM-U520

Novatel Wireless Technologies Ltd. FCC ID: NBZNRM-U520 EUT – Board Front View EUT – Board Front Shield Off Novatel Wireless Technologies Ltd. FCC ID: NBZNRM-U520 EUT – Board Back View EUT – Board Back Shield Off

Merlin U520 Technical specification and Low Level Circuit Description Block Diagram Merlin U520 Technical specification and Low Level Circuit Description Processor The processing and DSP functions occur in the MSM6200. External to the MSM6200, 64 Mbits of Flash and 32Mbits of SRAM are provided. The FLASH is used to store the firmware and provide non-volatile storage of calibration and configuration data (NV-RAM). During operation some program code is transferred from the FLASH to the SRAM to provide the system higher operating speeds. A 19.2 MHz clock is used for the reference for both the processor and the RF synthesizers. A 32.768 KHz crystal is used to provide the time base during the low current sleep mode. PCMCIA Interface The PCMCIA interface is implemented using an FPGA. This provides for the possibility of field upgrades and customized host interfaces. The FPGA is initialized by the processor during the boot-up sequence. The FPGA is directly connected to the processor address and data bus to provide maximum data throughput. The standard FPGA configuration is as a multifunction PC Card supporting attribute memory (CIS and configuration registers) and two UART modules accessed in 8 bit I/O mode. Power The power for the unit is supplied via the PCMCIA VCC pins. The voltage select pins are configured for 5 volt operation. The current management circuit includes a host supply current limit and a large charge reservoir. RF Using a Zero IF architecture for both transmit and receive minimizes the size and component count of the radio. Host Interface The U530 is designed to be compatible with host devices that meet the PC Card specifications as detailed in Section 4.9 of the Electrical Specification of the PC Card Standard – March 1997. Voltage Selection pins (VS1# and VS2#) are configured for 5 volt operation. The basic DC parameters for the U530 are shown below. Table 1 U530 DC Specifications (Vcc is 5 volts unless specified otherwise) Symbol Parameter Min Typ Max Units Vcc Supply Voltage 4.75 5.0 5.25 V Icc max maximum supply current 1000 mA Icc stdby Standby supply current 120 mA Icc csd CSD supply current (note 1) 360 mA Icc grps avg GPRS supply current average (note 2) 290 mA Icc grps peak GPRS supply current peak (note 2) 620 mA Icc WCDMA WCDMA supply current (note 3) 600 mA V ih Input High Voltage 2 Vcc + 0.5 V V il Input Low Voltage -0.5 0.7 V V oh Output High Voltage (12 mA) 2.4 V V ol Output Low Voltage (-12 mA) 0.4 V Merlin U520 Technical specification and Low Level Circuit Description PC Card 68 pin connector Figure 1 PC Card 68 pin connector Table 2 PC Card Pinout Memory mode I/O mode Pin NAME Function NAME Function Direction Supported 1 GND Ground DC Yes 2 D3 Data bit 3 I/O Yes 3 D4 Data bit 4 I/O Yes 4 D5 Data bit 5 I/O Yes 5 D6 Data bit 6 I/O Yes 6 D7 Data bit 7 I/O Yes 7 CE1# Card Enable I Yes 8 A10 Address bit 10 I Yes 9 OE# Output Enable I Yes 10 A11 Address bit 11 I Yes 11 A9 Address bit 9 I Yes 12 A8 Address bit 8 I Yes 13 A13 Address bit 13 I No 14 A14 Address bit 14 I No 15 WE# Write Enable I Yes 16 READY Ready IREQ# Interrupt Request O Yes 17 Vcc Supply Voltage DC in Yes 18 Vpp1 Programming and Peripheral Supply 1 DC in No 19 A16 Address bit 16 I No 20 A15 Address bit 15 I No 21 A12 Address bit 12 I No 22 A7 Address bit 7 I Yes 23 A6 Address bit 6 I Yes 24 A5 Address bit 5 I Yes 25 A4 Address bit 4 I Yes 26 A3 Address bit 3 I Yes 27 A2 Address bit 2 I Yes 28 A1 Address bit 1 I Yes 29 A0 Address bit 0 I Yes 30 D0 Data bit 0 I/O Yes 31 D1 Data bit 1 I/O Yes 32 D2 Data bit 2 I/O Yes 33 WP Write Protect IOIS16# I/O Port Is 16-bit O Yes 34 GND Ground DC Yes 35 GND Ground DC Yes 36 CD1# Card Detect O Yes 37 D11 Data bit 11 I/O No 38 D12 Data bit 12 I/O No 39 D13 Data bit 13 I/O No 40 D14 Data bit 14 I/O No PIN 1 PIN 35 PIN 34 PIN 68 Merlin U520 Technical specification and Low Level Circuit Description 41 D15 Data bit 15 I/O No 42 CE2# Card Enable I Yes 43 VS1# Voltage Sense 1 O Yes 44 RFU Reserved for future use IORD# I/O Read I Yes 45 RFU Reserved for future use IOWR# I/O Write I Yes 46 A17 Address bit 17 I No 47 A18 Address bit 18 I No 48 A19 Address bit 19 I No 49 A20 Address bit 20 I No 50 A21 Address bit 21 I No 51 Vcc Supply Voltage DC in Yes 52 Vpp2 Programming and Peripheral Voltage 2 DC in No 53 A22 Address bit 22 I No 54 A23 Address bit 23 I No 55 A24 Address bit 24 I No 56 A25 Address bit 25 I No 57 VS2# Voltage Sense 2 O Yes 58 RESET Card Reset I Yes 59 WAIT# Extend bus cycle O Yes 60 RFU Reserved for future use INPACK# Input Port Acknowledge O Yes 61 REG# Register select & I/O Enable I Yes 62 BVD2 Batter Voltage Detect 2 SPKR# Audio Digital Waveform O No 63 BVD1 Batter Voltage Detect 1 STSCHG# Card Status Changed O Yes 64 D8 Data bit 8 I/O No 65 D9 Data bit 9 I/O No 66 D10 Data bit 10 I/O No 67 CD2# Card Detect O Yes 68 GND Ground DC Yes Merlin U520 Technical specification and Low Level Circuit Description USIM Interface The USIM interface supports a 3.0 volt USIM. The VPP contact is not connected as per section 8.2 of 3GPP TS 21.111. Figure 2 USIM Contacts (USIM as viewed from contact side) Table 3 USIM Pinout PIN Name Description C1 VCC Supply Voltage C2 RST Reset C3 CLK Clock C4 Reserved (No contact) C5 GND Ground C6 VPP (not connected) C7 I/O Data input/output C8 Reserved (No contact) Air interface The Air Interface of the U530 supports both the 3GPP WCDMA specifications and the 3GPP GPRS specifications. The RF design implements a Zero-IF architecture using the Qualcomm 6200 chipset. Table 4 WCDMA Air Interface Specification 3GPP TS 34.121 Release 99 Band Designation 2100 UMTS UE Tx Freq 1920 – 1980 MHz UE Rx Freq 2110 – 2170 MHz Transmit Power Class 4 +21 dBm The protocol stack supplied by QCT is based on 3GPP Standard 43.108 Release 99 and Standard 334.121 Release 99. Merlin U520 Technical specification and Low Level Circuit Description LED Display Description The LED Display is designed to provide the user with feedback as to the current state of the…

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May 5, 2004 Merlin U520 Tune up information To whom it may concern, The Novatel Wireless UMTS Merlin PC card modem OEM is factory tuned. No customer calibration or tuning is required. Sincerely, Kevin Goodfellow Head of Certification Engineering Suite 200 6715, 8 th Street N.E. Calgary, Alberta, 2E 7H7 Canada.

Note: This test report is specially limited to the above client company and the product model only. It may not be duplicated without prior written consent of Bay Area Compliance Laboratory Corporation. This report must not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. SAR EVALUATION REPORT For Novatel Wireless Technologies Ltd. Suite 200, 6715 – 8th Street N.E. Calgary, Alberta Canada, T2E 7H7 FCC ID: NBZNRM-U520 2004-05-02 This Report Concerns: Original Report Equipment Type: 3G Wireless PC card modem Test Engineer: Daniel Deng / Report No.: R0404162S Test Date: 2004-05-06 Reviewed By: Hans Mellberg / Prepared By: Bay Area Compliance Laboratory Corporation (BACL) 230 Commercial Street Sunnyvale, CA 94085 Tel: (408) 732-9162 Fax: (408) 732 9164 Novatel Wireless Technologies Ltd. FCC ID: NBZNRM-U520 Report #R0404162S.doc SAR Evaluation Report Page 2 of 59 TABLE OF CONTENTS SUMMARY....................................................................................................................................................................3 1 - REFERENCE ...........................................................................................................................................................4 2 - TESTING EQUIPMENT.........................................................................................................................................5 2.1 EQUIPMENTS LIST & CALIBRATION INFO...............................................................................................................5 2.2 EQUIPMENT CALIBRATION CERTIFICATE...............................................................................................................5 3 - EUT DESCRIPTION .............................................................................................................................................33 4 - SYSTEM TEST CONFIGURATION...................................................................................................................34 4.1 JUSTIFICATION.....................................................................................................................................................34 4.2 EUT EXERCISE PROCEDURE................................................................................................................................34 4.3 EQUIPMENT MODIFICATIONS...............................................................................................................................34 5 – CONDUCTED OUTPUT POWER MEASUREMENTS ...................................................................................35 5.1 PROVISION APPLICABLE.......................................................................................................................................35 5.2 TEST PROCEDURE................................................................................................................................................35 5.3 TEST EQUIPMENT.................................................................................................................................................35 5.4 TEST RESULTS.....................................................................................................................................................35 6 - DOSIMETRIC ASSESSMENT SETUP...............................................................................................................37 6.1 MEASUREMENT SYSTEM DIAGRAM.....................................................................................................................38 6.2. SYSTEM COMPONENTS........................................................................................................................................39 6.3 MEASUREMENT UNCERTAINTY............................................................................................................................43 7 - EVALUATION PROCEDURE.............................................................................................................................44 7.1 SAR EVALUATION PROCEDURE...........................................................................................................................44 7.2 EXPOSURE LIMITS................................................................................................................................................45 7.3 SIMULATED TISSUE LIQUID PARAMETER CONFIRMATION...................................................................................45 7.4 SAR MEASUREMENT...........................................................................................................................................45 7.5 SYSTEM ACCURACY VERIFICATION.....................................................................................................................46 7.6 LIQUID MEASUREMENT RESULT..........................................................................................................................47 8 - SAR TEST RESULTS............................................................................................................................................50 8.1 SAR BODY AND HEAD WORST-CASE TEST DATA...............................................................................................50 8.2 PLOTS OF TEST RESULT.......................................................................................................................................50 EXHIBIT A - SAR SETUP PHOTOGRAPHS .........................................................................................................54 BODY WORN, DELL HOST PC BACK TOUCHING FLAT PHANTOM............................................................................54 BODY WORN, IBM HOST PC BACK TOUCHING FLAT PHANTOM...............................................................................54 BODY WORN, TOSHIBA HOST PC BACK TOUCHING FLAT PHANTOM.....................................................................55 …

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Novatel Wireless Technologies Ltd. FCC ID: NBZNRM-U520 Report #R0404162S.doc SAR Evaluation Report Page 33 of 59 3 - EUT DESCRIPTION Applicant: Novatel Wireless Technologies Ltd. Product Description: 3G Wireless PC card modem FCC ID: NBZNRM-U520 Serial Number: 004400-00-471321-8 Maximum RF Output Power: 21.0 dBm RF Exposure environment: General Population/Uncontrolled Applicable Standard FCC CFR 47, Part 24 Application Type: Certification Novatel Wireless Technologies Ltd. FCC ID: NBZNRM-U520 Report #R0404162S.doc SAR Evaluation Report Page 34 of 59 4 - SYSTEM TEST CONFIGURATION 4.1 Justification The system was configured for testing in a typical fashion (as normally used by a typical user). 4.2 EUT Exercise Procedure The EUT exercising program used during SAR testing was designed to exercise the various system components in a manner similar to a typical use. 4.3 Equipment Modifications No modification(s) were made to the EUT. Novatel Wireless Technologies Ltd. FCC ID: NBZNRM-U520 Report #R0404162S.doc SAR Evaluation Report Page 35 of 59 5 – CONDUCTED OUTPUT POWER MEASUREMENTS 5.1 Provision Applicable According to FCC § 24.232(b), EIRP peak power for mobile/portable stations are limited to 2 watts. 5.2 Test Procedure The RF output of the transmitter was connected to the input of the spectrum analyzer through sufficient attenuation. 5.3 Test equipment Hewlett Packard HP8564E Spectrum Analyzer, Calibration Date: 2003-08-01. Hewlett Packard HP 7470A Plotter, Calibration not required. A.H. Systems SAS200 Horn Antenna, Calibration Date: 2003-05-31 Com-Power AB-100 Dipole Antenna, Calibration Date: 2003-09-05 5.4 Test Results Host System Channel Frequency (MHz) Output Power in dBm Output Power in W Limit (W) DELL Middle 1880.02 21.00 0.126 2 IBM Middle 1880.02 20.83 0.121 2 TOSHIBA Middle 1880.02 20.83 0.121 2 Please refer to the following plots. Novatel Wireless Technologies Ltd. FCC ID: NBZNRM-U520 Report #R0404162S.doc SAR Evaluation Report Page 36 of 59 Novatel Wireless Technologies Ltd. FCC ID: NBZNRM-U520 Report #R0404162S.doc SAR Evaluation Report Page 37 of 59 6 - DOSIMETRIC ASSESSMENT SETUP These measurements were performed with the automated near-field scanning system DASY3 from Schmid & Partner Engineering AG (SPEAG). The system is based on a high precision robot (working range greater than 0.9m) which positions the probes with a positional repeatability of better than ±0.02mm. Special E- and H-field probes have been developed for measurements close to material discontinuity, the sensors of which are directly loaded with a Schottky diode and connected via highly resistive lines to the data acquisition unit. The system is described in detail in [3]. The SAR measurements were conducted with the dosimetric probe ET3DV6 SN: 1577 (manufactured by SPEAG), designed in the classical triangular configuration [3] and optimized for dosimetric evaluation. The probe has been calibrated according to the procedure described in [7] with accuracy of better than ±10%. The spherical isotropy was evaluated with the procedure described in [8] and found to be better than ±0.25dB. The phantom used was the \Generic Twin Phantom” described in [4]. The ear was simulated as a spacer of 4 mm thickness between the earpiece of the phone and the tissue simulating liquid. The Tissue simulation liquid used for each test is in according with the FCC OET65 supplement C as listed below. Frequency (MHz) Ingredients (% by weight) 450 835 915 1900 2450 Tissue Type Head Body Head Body Head Body Head Body Head Body Water 38.56 51.16 41.45 52.4 41.05 56.0 54.9 40.4 62.7 73.2 Salt (Nacl) 3.95 1.49 1.45 1.4 1.35 0.76 0.18 0.5 0.5 0.04 Sugar 56.32 46.78 56.0 45.0 56.5 41.76 0.0 58.0 0.0 0.0 HEC 0.98 0.52 1.0 1.0 1.0 1.21 0.0 1.0 0.0 0.0 Bactericide 0.19 0.05 0.1 0.1 0.1 0.27 0.0 0.1 0.0 0.0 Triton x-100 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 36.8 0.0 DGBE 0.0 0.0 0.0 0.0 0.0 0.0 44.92 0.0 0.0 26.7 Dielectric Constant 43.42 58.0 42.54 56.1 42.0 56.8 39.9 54.0 39.8 52.5 C…

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