AXATR-387-A2

0RELOH3KRQH 8VHU∑V*XLGH   $# .) 'XDOEDQGGXDOPRGH IRU'$0366\VWHPV 9LVLW(ULFVVRQRQWKHZHEKWWSPRELOHHULFVVRQFRP )LUVWHGLWLRQ 0D\ 7KLVPDQXDOLVSXEOLVKHGE\(ULFVVRQ,QFZLWKRXWDQ\ZDU UDQW\,PSURYHPHQWVDQGFKDQJHVWRWKLVPDQXDOGXHWRW\SRJ UDSKLFDOHU URUVLQDFFXUDFLHVRI FXU UHQWLQIRU PDWLRQRULPSURYHPHQWVWRSURJ UDPVDQGRUHTXLSPHQWPD\EHPDGHE\(ULFVVRQ,QFDWDQ\WLPHDQGZLWKRXWQRWLFH6XFKFKDQJHVZLOO KRZHYHUEHLQFRUSRUDWHGLQWRQHZHGLWLRQVRIWKLVPDQXDOV $OOULJKWVUHVHU YHG ‹(ULFVVRQ,QF 3XEOLFDWLRQQXPEHU /=75 3ULQWHGLQ86$ The KF 788 Menu at a GlanceThe KF 788 Menu at a Glance Starthere 1 SilentMode 2 Msg Tone 3 Key Sound 4 Key Volume 5 Ear Volume 6 SpeakerVol 7 Ring Type 8 Ring Pitch 9 RingVolume 0 Alert 5 Call Setup 6RSounds 7 Call Data 6 Sounds 7RCall Data 8 Locks 1 ReceiveLog 2 Last Time 3 Elapsed 4 Call Count 5 Time Count Main Menus 1RPhonebook 2 Messages 1 Store Mem. 2 RCL Mem. 3 StoreScrpd 4 RCL ScrPad 5 RCL LastNo 6 Memory Used 3 System Opt 4RGen. Setup 5 Call Setup 1 KeypadLock 2 Back Light 3 Contrast 4 Greeting 5 Language+ 6 MenuReset++ 2 Messages 3RSystem Opt 4 Gen. Setup 1 Sys Select Home Only++ 2 Phone No.+ 3 SystemInfo. 4 Privacy 1 Phonebook 2RMessages 3 System Opt 1 UnreadText 2 Old Text 3 Delete All 4 VoiceMsgs1 5 VoiceMsgs2 QUICKMENUS Youcanquicklyaccessseveralcommonlyused menusbypressing.Themenusareorganized inacircle.Quicklyaccessmenusandsettingsusing thenumbersthatappearnexttoeachmenuand setting.Forexample,accesstheRingPitchmenu settingsbypressingandthenentering68. C 7 Call Data 8RLocks 9 Call Cards 1 Auto Lock+ 2 Dialing+ 3 Call Cards+ 4 Receiving+ 5 Sec. Code+ 8 Locks 9RCall Cards 1 Phonebook 1 CardSelect+ 2 Card1Setup+ 3 Card2Setup+ 1 Super Dial 2 Speed Dial 3 Answer Opt 4 Call Timer 5 MinuteMind 6 Auto Area 7 AutoPrefix 8 Auto Retry 9 Tone Send 0 AccessTone 4 Gen. Setup 5RCall Setup 6 Sounds ++“HomeOnly”maynotappear,dependingonyourserviceprovider’ssystemconfiguration. +Thesemenuitemsrequireyoutoenteryoursecuritycodeforaccess. /=75 ‡ .H\VQDPHVDUHVKRZQLQWKHIROORZLQJW\SHIDFH &/5  ! +HOSIXOWLSVDUHLGHQWLILHGLQWKLVJXLGHXVLQJWKLVV\PERO ‡ :KHQWKLVJXLGHLQVWU XFWV\RXWRSUHVVDNH\SUHVVDQGUHOHDVHWKHNH \ ‡ : KHQWKLVJXLGHLQVWU XFWV\RXWRSUHVVDQGKROGDNH\SUHVVDQGKROGWKHNH\IRURQHWRWZRVHFRQGV ‡ Ö 3UHVVWKH'RZQDU URZZKHQ\RXVHHWKLVV\PERO ‡ Ó 3UHVVWKH8SDU URZZKHQ\RXVHHWKLVV\PERO ‡ 6WDQGE\PRGHLVZKHQ\RXUSKRQHLVSRZHUHG21DQGDFDOOLVQRWLQSURJ UHVV 8VHU∑V*XLGH&RQYHQWLRQV H 7KH4XLFN$ FFHVVVKRUWFXWVWR\RXU SKRQH0HQXDQGVHWWLQJV DUHLGHQWLILHGXVLQJWKLVV\PERO /=75L 7DEOHRI&RQWHQWV 8VHU∑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…

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APPLICANT: FCC ID NO: ERICSSON INCAXATR-387-A2 ©1998 Ericsson Inc. Exhibit 2A As per 22.919, Electronic Seal Numbers Protection Against Unauthorized ESN and Firmware Upgrades The Electronic Serial Number (ESN) bits in this phone are encoded and spread over various non- sequential memory locations in order to prevent detection and modification. Once the factory has programmed the ESN, the mobile firmware cannot overwrite or alter the ESN memory locations. Both the ESN host and operation systems components are permanently mounted to the mobile in order to prevent removal and misuse. Unauthorized attempts to alter the mobile’s firmware will cause the unit to become inoperable.

July 15, 1998 Federal Communications Commission Authorization & Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 Attention: Equipment Authorization Branch Subject:Type Acceptance for FCC ID:AXATR-387-A2 Gentlemen, Ericsson Inc. requests a grant of Type Acceptance for the above mentioned FCC Identifier. This portable transceiver is designed for use in the AMPS/DAMPS cellular telephone system. The mobile operates in the 800 MHz Domestic Public Cellular Radiotelephone Communications Services per Subpart H of Part 22 and operating in the 1900 MHz Domestic Public Cellular Radiotelephone Communications Services, as per Part 24. When operating in the 1900 MHz range, DAMPS technology will be employed. It meets the requirements of IS-137A for operation in cellular systems. Documents governing DAMPS was used as a guide. This portable transceiver is quite similar to previously type accepted FCC ID: AXATR-375-A2. Measurements and calculations for SAR have been made on this radio. This unit complies with IEEE C95.1-1991 (ANSI/IEEE C95.1-1992). Ericsson Inc. requests confidentiality under 47 CFR 0.459 for the following exhibit listed: Exhibit 4Block Diagrams Exhibit 5Circuit Diagrams Justification of this request is that in order to facilitate the circuit miniaturization of the AXATR-387-A2, certain proprietary techniques were implemented to reduce the board space required for the RF circuitry layout. These techniques are applicable to the design of the power amplifier and a unique method of implementing modulation. To protect Ericsson’s competitive advantage on these proprietary techniques, we request the above listed exhibit be held as confidential and withheld from the Public Information File. Sincerely, Jim Sponsler Staff Engineer, Regulatory Services Tel No:(919) 472-6460 Research Triangle Park, NCFax No:(919) 472-7452 July 15, 1998 Federal Communications Commission Equipment Approval Services PO Box 358315 Pittsburgh, PA 15251-5315 Subject:Enclosed a check for Type Acceptance and Confidentiality follows: FCC IDFEE AXATR-387-A2$ 580.00 Sincerely, John Rothgeb Specialist Regulatory Programs Room 2669 Tel:(804) 592-7476 Fax:(804) 592-6510 Enclosures:Check Filing for Equipment Approval Branch

APPLICANT: FCC ID NO: ERICSSON INCAXATR-387-A2 ©1998 Ericsson Inc. APPLICANT: FCC ID NO: ERICSSON INCAXATR-387-A2 1998 Ericsson Inc.

APPLICANT: FCC ID NO: ERICSSON INCAXATR-387-A2 ©1998 Ericsson Inc. Exhibit 1 IDENTIFICATION PLATE

APPLICANT:EXHIBIT 9 FCC ID NO: ERICSSON INCAXATR-387-A2 ©1998 Ericsson Inc. APPLICANT:EXHIBIT 9 FCC ID NO: ERICSSON INCAXATR-387-A2 ©1998 Ericsson Inc. APPLICANT:EXHIBIT 9 FCC ID NO: ERICSSON INCAXATR-387-A2 ©1998 Ericsson Inc.

APPLICANT: FCC ID NO: ERICSSON INCAXATR-387-A2 ©1998 Ericsson Inc. EXHIBIT 12A CIRCUIT & DEVICE DESCRIPTIONS PARA. 2.983 (d)(10-12) (10)FREQUENCY STABILIZATION A temperature compensated crystal oscillator (N1302) provides a reference frequency signal for the transmitter and receiver frequency synthesizers. It has an temperature of ±2.5 ppm over the temperature range of -20°C to +50° C. After the unit acquires a base station signal it locks itself to the high accuracy time base of the base station. (11a)ATTENUATION OF SPURIOUS EMISSIONS The 800 MHz band transmitter frequency is obtained from mixing a phase locked VCO operating from 979.53 MHz to 1004.49 MHz with a 155.52 MHz signal. The 155.52 MHz signal is obtained by phase locking an oscillator to the VCTCXO output. The 800 MHz band receiver frequency is obtained by dual conversion. The first conversion is obtained by mixing the incoming signal with the 979.53 MHz to 1004.49 MHz VCO to a first IF frequency of 110.52 MHz. The second conversion mixes the IF frequency with a phase locked VCO at 109.92 MHz to obtain the second IF frequency of 600 kHz. All VCO’s are phase locked to the reference VCTCXO U1. For 1900 MHz band transmit: 1002.765 to 1032.735 MHz synthesizer mixed with a 155.52 MHz signal. Result is then mixed back with the 1002.765 to 1032.735 MHz VCO signal to produce 1850.01 to 1909.95 transmit signal. 1900 MHz band Receive: Output of 1020.285 to 1050.255 MHz synthesizer is doubled to 2040.57 t0 2100.51 MHz. This is used to mix down to a first IF of 110.52 MHz. As a result of the above circuitry, the spurious signals are transmitter harmonics, reference oscillator 19.44 MHz harmonics, the local oscillators and the microprocessor clock. The use of multi-layer printed circuit boards, with signal tracks between ground planes, for the radio as well as for the logic areas reduces the radiation to a minimum. Ceramic resonator bandpass filters for the duplexer attenuate conducted transmitter harmonics, reference oscillator and local oscillator signals. A bandpass filter in the receiver front end attenuates the local oscillator signal further. Additional suppression of radiation is achieved by shielding and key isolation between circuits. (11b)LIMITING MODULATION The modulation for the transmitter is produced inside a Digital Signal Processing integrated circuit. The modulation limiting is therefore controlled by an algorithm inside this chip. The limit is preset at the factory and cannot be changed thereafter. ATTENUATING HIGHER AUDIO FREQUENCIES The DSP chip provides an audio filter with a 120 log (f/3000) response, f=3K to 20KHz. Manchester encoded data signals are filtered prior to transmission by a four-pole lowpass filter providing an attenuation of 24 dB/Octave above 20 kHz. APPLICANT: FCC ID NO: ERICSSON INCAXATR-387-A2 ©1998 Ericsson Inc. EXHIBIT 12A CIRCUIT & DEVICE DESCRIPTIONS PARA. 2.983 (d) (10-12) The signal produced by the DSP chip is a differentially shifted PI/4 QPSK signal for the digital system and a FM signal for the analog cellular system. These signals are fed through a three-pole lowpass filter with a 3 dB down cut-off frequency of 25 kHz to limit the adjacent channel energy in the digital mode. (11c)OUTPUT POWER CONTROL A loop circuit under supervision of the logic sets the output to any of the eleven power levels. A digital word is transmitted to the gain control amplifier for output power adjustment. A detector at the output of the power amplifier module senses the RF energy present and sends a corresponding DC voltage to the digital logic circuitry. Upon receiving a command to set power level from the handset or from a base station the microprocessor sends a predetermined word to the ALC amplifier. The output detector voltage is then read by the microprocessor and compared to a preset value. If the detector voltage is outside the allowed tolerance an adjustment is made to the gain-controlled amplifier to bring the detector voltage into the proper range. (12)DIGITAL MODULATION TECHNIQUES 800 MHz: The NRZ data stream is transformed to 10kbps Manchester encoded data in such a way that each NRZ binary one is transformed to a zero-to-one transition, and each NRZ binary zero is transformed to a one-to-zero transition. The Manchester encoded data stream is filtered before being applied tot he modulator. Direct binary frequency shift keying is used. A binary one into the modulator corresponds to a normal peak frequency deviation of 8kHz above the carrier frequency and a zero corresponds to a nominal peak frequency deviation 8 kHz below the carrier frequency. (12a)DESCRIPTION OF PI/4 DQPSK The modulation method used for the digital mode is known as PI/4 shifted differentially encoded Quadrature Phase Shift Keying. Eight distinct phase states are possible. The signal information is differentially encoded; symbols are transmitted as changes in phase rather than absolute phases. Transition of phase which would result in a zero amplitude momentarily are not allowed. APPLICANT: FCC ID NO: ERICSSON INCAXATR-387-A2 ©1998 Ericsson Inc. EXHIBIT 12A CIRCUIT & DEVICE DESCRIPTIONS PARA. 1.0 LOGIC BOARD OPERATION The logic board is the central controller system for the radio. It is made up of a microprocessor, DSP, codec, memory, and control logic. 1.1 ASIC CONTROL CHIP – D900 The ASIC control chip is made up of a Z80 microprocessor and application specific logic circuits. The chip is the main control center for the radio and provides interfaces to the DSP’s, codec, memories, keypad, display, alarms, and system interfaces. 1.2 MEMORY CHIP’S D901 is the 512k x 8 flash memory used to store the radio’s operating algorithm. This part may be field programmed to allow new revisions of the operating algorithm to be installed without opening the radio case. D903 is the 32k x 8 static RAM used for stack, and microprocessor operation. D905 is the 32k x 8 electrically erasable programmable read only memory. The part stores all of the users…

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APPLICANT:FCC ID NO: ERICSSON INC.AXATR-387-A2 ©1998 Ericsson Inc. EXHIBIT 10 DESCRIPTION OF ACTIVE DEVICES COMPONENT DESIGNATIONFUNCTION OF DEVICE TRANSMITTER Z1111900 MHz Circulator N113GAAS FET RF Switch Z101800 MHz Duplexer Filter N500GAAS FET RF Switch Z500800 MHz Transmit SAW Filter Z501SAW Filter N501 Amplifier and Mixer IC Z5021900 MHz Saw Filter V1309Switching Transistor V601Switching Transistor N601Dual Band Power Amplifier V111Detector Diode V113Detector Diode Z110Isolator, 800 MHz Z100Diplexer RECEIVER Z8021900 MHz Ceramic Filter N200Dual band LNA/Mixer ASIC Z200 1900 SAW Filter V1313Switching Transistor Z201800 MHz SAW Filter Z803Crystal Filter V300Tuning Diode N300Receiver IF IC Z300Filter, 600 kHz Z301Filter, 600 kHz APPLICANT:FCC ID NO: ERICSSON INC.AXATR-387-A2 ©1998 Ericsson Inc. EXHIBIT 10 DESCRIPTION OF ACTIVE DEVICES COMPONENT DESIGNATIONFUNCTION OF DEVICE SYNTHESIZER N401Synthesizer/ Modulator IC N400VCO Module V400, V401FET Amplifier V402Tuning Diode N130219.44MHz Oscillator Module COMPONENT DESIGNATIONFUNCTION OF DEVICE BASEBAND N700,N701,N702,N1000Voltage Regulators V1314, V1315Transmit Protection transistors V702, V701Transmit Bias switching transistors D801OR Gate V802, V1310Mixer Bias switching transistors V801, V803RF bias switching transistors Z800, Z801Filters D900Microprocessor V1317Clock buffer D904Digital Signal Processor D1000Audio Processor V1000Switching transistors V1002Diode clipper V1308Diode OR gate H1314Liquid Crystal Display V1306Hall Effect Bias switching transistor N1300Hall Effect Device V1302Light Emitting Diodes (LED) V1307Vibrator bias switching transistor V1301LED bias switching transistor H1300-1313LEDs V1200, V1201Diode Clippers N1100Battery Charging ASIC V1100Charging FET V1316, V1318Charging switching transistors D901, D903, D905Memories

Test Report: Dosimetric Assessment Measurements for the Ericsson KF 788 Dual Band and Dual Mode Telephone. 1(1) Prepared (also subject responsible if other)No. EUS/TR/XR/P Mark Douglas919-472-6334 EUS/TR/X-98:1188 ApprovedCheckedDateRevFile EUS/TR/X Mark DouglasMGD1998-6-22A Proprietary and Confidential Test Report: Dosimetric Assessment Measurements for the Ericsson KF 788 Dual Band and Dual Mode Telephone. 1. Introduction In this test report, Specific Absorption Rate (SAR) measurements for the Ericsson KF 788 are presented. The measurements were conducted at the experimental dosimetry chamber at Ericsson, Inc. in Research Triangle Park, North Carolina, USA. This report describes the test procedures that were used and the test results that were recorded. 2. Device Under Test (DUT) Table 1 lists the parameters of the device under test. Device ModelKF 788 Serial NumberUA200HTJF2 AntennaAMP dual band 30mm stub ModeAMPSD-AMPSD-AMPS Signal ModulationCWTDMATDMA Duty Cycle11/31/3 Peak Power Nominal26 dBm26 dBm26 dBm Frequency837 MHz837 MHz1880 MHz Table 1: Parameters of the device under test. 3. Measurement System The measurements were made with the Dosimetric Assessment System, DASY, from Schmid & Partner AG (SPEAG) in Zurich, Switzerland [1]. This system was developed by Professor Niels Kuster and his team at the Swiss Federal Institute of Technology (ETH) in Zurich, Switzerland. The system uses the implantable E-field probe technique to evaluate the SAR inside a phantom. The E-field is automatically scanned inside a phantom head filled with a brain tissue simulating liquid. The positioning of the E-field probe inside the phantom head is done by a high precision 6 axis robot. A computer is used to control the robot and to collect the measured data. Test Report: Dosimetric Assessment Measurements for the Ericsson KF 788 Dual Band and Dual Mode Telephone. 2(2) Prepared (also subject responsible if other)No. EUS/TR/XR/P Mark Douglas919-472-6334 EUS/TR/X-98:1188 ApprovedCheckedDateRevFile EUS/TR/X Mark DouglasMGD1998-6-22A Proprietary and Confidential 3.1 Specification of the E-Field probe The following is a summary of the technical data for the E-field probe that was used for the measurements: Sensitivity in tissue simulating liquid: 1 μW/g to 100 mW/g Linearity:< ± 0.2 dB Deviation from isotropy in tissue, Normal to probe axis:± 0.2 dB In all planes, all polarizations:± 0.8 dB Spatial resolution of SAR measurements: < 0.125 cm 3 Reproducibility of probe positioning:< ± 0.2 mm More information about the probe is given in [2]. 3.2 Brain tissue simulating liquid data The constitutive parameters (relative permittivity, ε r , and conductivity, σ) of the brain tissue simulating liquid are according to data provided by C. Gabriel and presented in [3]. The liquid was prepared according to the recipe in [3], and its constitutive parameters were verified using a dielectric probe kit and a Hewlett-Packard HP 8752C network analyzer. The brain tissue simulating liquid used for the SAR measurements in this report had constitutive parameter values at 900 MHz and 1800 MHz as shown in Table 2. Frequency (MHz)9001800 Relative permittivity, ε r 42.241.0 Conductivity, σ (S/m) 0.8631.70 Table 2: Constitutive parameters of the brain tissue simulating liquid. 3.3 Calibration The system is calibrated at fixed time intervals by the system supplier (SPEAG). The calibration procedure and calibration data for the E-field probe and the data acquisition electronics used in the SAR measurements are given in [2,4,5]. 3.4 Measurement Uncertainty The total measurement uncertainty is estimated to be ± 20% [6]. Test Report: Dosimetric Assessment Measurements for the Ericsson KF 788 Dual Band and Dual Mode Telephone. 3(3) Prepared (also subject responsible if other)No. EUS/TR/XR/P Mark Douglas919-472-6334 EUS/TR/X-98:1188 ApprovedCheckedDateRevFile EUS/TR/X Mark DouglasMGD1998-6-22A Proprietary and Confidential 4. Test Procedure The dosimetric assessment measurements are made according to the operating manual for the DASY 3 system from SPEAG. The phone was supplied with a fully-charged battery for the tests. 4.1 Positioning of the Device Under Test The DUT is placed in a position against the phantom head that corresponds to the intended or normal operating position, as defined in published guidelines [7]. The normal position is a position that is convenient and provides good acoustic coupling. An illustration of the position used for the measurements is shown in [1]. It is defined as follows: • The center of the device ear piece is placed at the entrance of the auditory canal as marked on the head phantom. • The reference line of the phone is defined to be the line (on the surface of the phone case facing the phantom) which connects the center of the ear piece with the center of the bottom of the case (typically near the microphone). • The reference line defined above shall lie in the reference plane defined by the following three points: auditory canal openings of both ears and the center of the closed mouth. • The intended use position is defined by an angle between the reference line of the phone and the line connecting both auditory canal openings of 80°. The device was tested on the right hand phantom (corresponding to the right side of the head) and the left hand phantom. Results are presented for the left hand phantom according to [7], as the SAR measurements for the right hand phantom were consistently lower. 4.2 Peak SAR determination procedure The E-field probe is first scanned in a coarse grid over a large area inside the phantom head, in order to locate the position of the maximum SAR. The size of the scanned region is selected large enough to guarantee that all possible peak SAR areas are included. Measurements are then taken in a fine grid volume around the maximum SAR value. The size of the cubical fine grid region is approximately 30 cm 3 . Numerical interpolation and extrapolation are used to determine the SAR va…

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To:Greg CzumakFrom: Jim Sponsler Federal Communications CommissionDate: 9-4-98 Correspondence ID 3040; Ericsson AXATR-387-A2 Attached is a response to the request for additional information concerning SAR for the AXATR-387-A2 submittal. The report generated covers all four (4) concerns raised. These included conducting SAR measurements at the low, mid and high bands, validation of the dipole kit for the SAR system, a description of the procedures for measuring the output power and photos. If you have any questions, please contact me or John Rothgeb. Sincerley, Jim Jim Sponsler 919-472-6460 [email protected] Appendix to “Test Report: Dosimetric Assessment Measurements for the Ericsson KF 788 Dual Band and Dual Mode Telephone.” 1(1) Prepared (also subject responsible if other)No. EUS/TR/XR/P Mark Douglas919-472-6334EUS/TR/X-98:1508 ApprovedCheckedDateRevFile EUS/TR/X Mark DouglasMGD1998-9-03A Proprietary and Confidential Appendix to “Test Report: Dosimetric Assessment Measurements for the Ericsson KF 788 Dual Band and Dual Mode Telephone.” 1. Introduction In this appendix, additional information is provided about SAR measurements and measurement procedures for the KF 788. The measurements were conducted at the experimental dosimetry chamber at Ericsson, Inc. in Research Triangle Park, North Carolina, USA. 2. Measurement System 2.1 Brain tissue simulating liquid data The constitutive parameters (relative permittivity, ε r , and conductivity, σ) of the brain tissue simulating liquid are according to data provided by C. Gabriel and presented in [1]. The liquid was prepared according to the recipe in [1], and its constitutive parameters were measured immediately before performing any SAR measurements. The parameters were measured using a dielectric probe kit and a Hewlett-Packard HP 8752C network analyzer. Table 1 lists the parameters of the brain tissue simulating liquid at 900 MHz. These values are very close to the values given in [1] (ε r = 42.5, σ = 0.85 S/m). At 837 MHz (the middle of the AMPS transmit band), the corresponding values are ε r = 42.5 and σ = 0.79 S/m. Frequency (MHz)900 Relative permittivity, ε r 41.8 Conductivity, σ (S/m) 0.849 Table 1: Constitutive parameters of the brain tissue simulating liquid. 2.2 Dipole Validation After measuring the constitutive parameters of the brain tissue simulating liquid and immediately before performing the SAR measurements of the device under test (DUT), the measurement system was validated. The validation test is a SAR measurement of a dipole antenna at a fixed distance (15 mm) below the solution surface of a flat phantom. Appendix to “Test Report: Dosimetric Assessment Measurements for the Ericsson KF 788 Dual Band and Dual Mode Telephone.” 2(2) Prepared (also subject responsible if other)No. EUS/TR/XR/P Mark Douglas919-472-6334EUS/TR/X-98:1508 ApprovedCheckedDateRevFile EUS/TR/X Mark DouglasMGD1998-9-03A Proprietary and Confidential Schmid and Partner Engineering AG (SPEAG) supplied the dipole antenna and the flat phantom (the flat section of the DASY generic twin phantom) [1]. A reference measurement of the SAR of the dipole antenna under the flat phantom is also provided. Table 2 is a comparison between the measured SAR and the reference measurement at 900 MHz, using an output power of 1 W. The measured values are in very good agreement with the reference values. SAR 1g (W/kg) SAR 10g (W/kg) measured9.125.99 reference9.246.06 Table 2: SAR measurement results for the validation dipole. 3. Output power Immediately after each SAR measurement, the output power of the device is measured and recorded. Internal software allows the device to be programmed through the keypad to transmit in the given mode (AMPS or D-AMPS) at the maximum power level. After the transmitter is set and the SAR is measured, the output power is then measured by a Hewlett-Packard 437B power meter, which is connected to the antenna port using a special adapter after the antenna is removed. 4. Test results The output power and SAR of the DUT (KF 788, serial number UA200HTJF2, with an AMP dual band 30mm stub antenna) were measured at three frequencies, corresponding to the low, middle and high frequencies of the AMPS band. The DUT was set to transmit in AMPS mode at the maximum power level. The results are shown in Table 3. The SAR values are peak SAR averaged over 1g and 10g of tissue. These values are all compliant with the SAR limit [2]. DeviceModeFrequency (MHz) Output Power (dBm) SAR 1g (W/kg) SAR 10g (W/kg) AMPS82425.921.510.995 AMPS83725.901.440.938 KF 788 AMPS84924.470.9900.657 Table 3: SAR measurement results for the Ericsson KF 788 telephone. Appendix to “Test Report: Dosimetric Assessment Measurements for the Ericsson KF 788 Dual Band and Dual Mode Telephone.” 3(3) Prepared (also subject responsible if other)No. EUS/TR/XR/P Mark Douglas919-472-6334EUS/TR/X-98:1508 ApprovedCheckedDateRevFile EUS/TR/X Mark DouglasMGD1998-9-03A Proprietary and Confidential 5. Plots and Photographs Figures 1-3 show plots of the SAR data taken by the DASY3 system. The remaining figures show the KF 788 device and the positioning of the device under the DASY3 phantom. Fig. 1: Plot of SAR distribution of KF 788 at 824 MHz. Appendix to “Test Report: Dosimetric Assessment Measurements for the Ericsson KF 788 Dual Band and Dual Mode Telephone.” 4(4) Prepared (also subject responsible if other)No. EUS/TR/XR/P Mark Douglas919-472-6334EUS/TR/X-98:1508 ApprovedCheckedDateRevFile EUS/TR/X Mark DouglasMGD1998-9-03A Proprietary and Confidential Fig. 2: Plot of SAR distribution of KF 788 at 837 MHz. Appendix to “Test Report: Dosimetric Assessment Measurements for the Ericsson KF 788 Dual Band and Dual Mode Telephone.” 5(5) Prepared (also subject responsible if other)No. EUS/TR/XR/P Mark Douglas919-472-6334EUS/TR/X-98:1508 ApprovedCheckedDateRevFile EUS/TR/X Mark DouglasMGD1998-9-03A Proprietary and Confidential Fig. 3: Plot of SAR distribution of KF 788 at 849 MHz. Appendix to “Test Repor…

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APPLICANT: FCC ID NO: ERICSSON INCAXATR-387-A2 ©1998 Ericsson Inc. EXHIBIT 6A1 800 MHz : RF POWER OUTPUT Para. 2.985 (a) and 22.913 (a) The RF power measured at the output terminals (antenna connector) is plotted against supply voltage variation and temperature variations at the highest levels. Supply Exhibit Voltage (V) Temperature TX Freq Output (W) Power Level Analog/Digital 6A24.8VariedMid Band.4 W0 Analog 6A3Varied+25 CMid Band.4 W0 Analog 6A44.8VariedMid Band.4 W0 Digital 6A5Varied+25 CMid Band.4 W0 Digital The measurements were made per IS-137A using a Hewlett Packard 8953DT North American Dual Mode Cellular Test System which includes the following equipment: HP8958A Cellular Interface HP6623A DC Power Supply HP8596E Spectrum Analyzer HP437B RF Power Meter HP8901B Modulation Analyzer …

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