B5KKRC12110-11Cellular AMPS/DAMPS Base Station

EXHIBIT 8 Page 1 APPLICANT: Ericsson Radio System AB FCC ID NO. B5KKRC12110-11 EXHIBIT 8 - COVER SHEET Table of Contents Description – Microbase RBS884M 84 pages Explanation 2W TRX in RBS884 Base Station 1 page RBS884 Base Station Hardware Technical Description 36 pages Description RBS 884 27 pages Line Interface Board Description 24 pages Description ERA/AR/S/TH,AR/SK/AFOL 10/1551−ANT244 01 Uen ERA/AR/SK (S Hellmark) 1997−05−15 C RULIB 10_1551−ANT24401.WTEK Uppgjord - PreparedFaktaansvarig - Subject responsibleNr - No Dokansv/Godk - Doc respons/ApprovedKontr - CheckedDatum - DateRevFile 1(84) DQI STATUS: EXITED, NUMBER OF REMAINING MAJOR ERRORS PER PAGE: 1.4 (See REVIEW below.) DESCRIPTION − MICROBASE RBS884M ABSTRACT This document describes the microbase provided by the RBS 884 platform. It describes mainly the hardware structure along with general performance. REVIEW See review protocol 116/1776−19/FCP103307, rev A. This document has not been inspected according to DQI. Rev C: Only updated parts and a few other samples in the document are inspected according to the DQI process. See Minutes of Meeting Item Id 1572. See Revision Information for updated parts. Description ERA/AR/S/TH,AR/SK/AFOL 10/1551−ANT244 01 Uen ERA/AR/SK (S Hellmark) 1997−05−15 C RULIB 10_1551−ANT24401.WTEK Uppgjord - PreparedFaktaansvarig - Subject responsibleNr - No Dokansv/Godk - Doc respons/ApprovedKontr - CheckedDatum - DateRevFile 2 TABLE OF CONTENTS 1 Revision Information . . . . . . . . . . 5 2 Introduction . . . . . . . . . . . . . . 6 2.1 Definitions . . . . . . . . . . . . . 7 3 Feature . . . . . . . . . . . . . . . . . 10 4 System structure . . . . . . . . . . . . 12 5 Functional structure . . . . . . . . . . 14 6 Control structure . . . . . . . . . . . . 15 7 Speech paths . . . . . . . . . . . . . . 17 8 EMRPM−device connection and CFU allocation 18 9 Timing and syncronization . . . . . . . . 23 10 RF structure . . . . . . . . . . . . . . 25 11 Internal alarms . . . . . . . . . . . . . 27 12 Power supply and CID . . . . . . . . . . 28 12.1 General . . . . . . . . . . . . . . . 28 12.2 AC/DC Power Supply . . . . . . . . . . 28 12.3 DC Power Supply . . . . . . . . . . . 30 13 EMC and grounding principles . . . . . . 32 13.1 Definitions . . . . . . . . . . . . . 32 13.2 EMC zones . . . . . . . . . . . . . . 32 13.3 Earth connection . . . . . . . . . . . 33 13.4 Grounding principles . . . . . . . . . 34 13.5 Intake point . . . . . . . . . . . . . 36 13.6 Board magazine shield . . . . . . . . 37 14 Environmental design . . . . . . . . . . 38 15 Cabinet layout . . . . . . . . . . . . . 39 16 Units . . . . . . . . . . . . . . . . . . 42 16.1 General . . . . . . . . . . . . . . . 42 16.2 REMUX . . . . . . . . . . . . . . . . 42 16.3 STRM . . . . . . . . . . . . . . . . . 45 16.4 EMRPM . . . . . . . . . . . . . . . . 47 16.5 TRX . . . . . . . . . . . . . . . . . 48 16.6 RFTL . . . . . . . . . . . . . . . . . 48 16.7 MC . . . . . . . . . . . . . . . . . . 49 16.8 COMBFILT . . . . . . . . . . . . . . . 49 16.9 CABCOMB . . . . . . . . . . . . . . . 51 16.10 Power splitter backplane . . . . . . . 51 16.11 AC/DC . . . . . . . . . . . . . . . . 51 16.12 DC−CONN . . . . . . . . . . . . . . . 51 Description ERA/AR/S/TH,AR/SK/AFOL 10/1551−ANT244 01 Uen ERA/AR/SK (S Hellmark) 1997−05−15 C RULIB 10_1551−ANT24401.WTEK Uppgjord - PreparedFaktaansvarig - Subject responsibleNr - No Dokansv/Godk - Doc respons/ApprovedKontr - CheckedDatum - DateRevFile 3 16.13 Fan . . . . . . . . . . . . . . . . . 52 16.14 CONN . . . . . . . . . . . . . . . . . 52 16.15 Blind front panel . . . . . . . . . . 52 17 Connection of cabinets . . . . . . . . . 53 17.1 Forward RF (Transmit path) . . . . . . 53 17.2 Reverse RF (Receive path) . . . . . . 55 17.3 Speech and control . . . . . . . . . . 56 17.4 Air Frame Syncronization . . . . . . . 57 18 Connection of cabinets 882M/DM−884M . . . 58 18.1 Control path . . . . . . . . . . . . . 58 18.2 RF paths . . . . . . . . . . . . . . . 60 18.3 Speech path and clock information . . 69 19 HW support for Traffic functions . . . . 71 20 HW support for Standard O&M functions . . 72 20.1 Event log . . . . . . . . . . . . . . 72 20.2 Device recovery . . . . . . . . . . . 72 20.3 Back−up of CC/DCCH/SR/VER . . . . . . 72 20.4 Test and monitoring outlets . . . . . 73 20.5 Base Station Test Interface (BSTI) . . 73 20.6 CSU functions . . . . . . . . . . . . 73 20.7 Alarm on power failure . . . . . . . . 73 20.8 Voice line characteristics . . . . . . 73 20.9 Hot Repair . . . . . . . . . . . . . . 73 20.10 Bypass at power failure . . . . . . . 74 20.11 Basic Fault Handling and Indications . 74 20.12 Limitations . . . . . . . . . . . . . 74 21 HW support for Optional O&M functions . . 76 21.1 RF testloop with RFTL . . . . . . . . 76 21.2 External alarms . . . . . . . . . . . 76 21.3 Control outputs . . . . . . . . . . . 76 21.4 SW and HW information . . . . . . . . 77 21.5 Power backup . . . . . . . . . . . . . 77 22 Performance . . . . . . . . . . . . . . . 78 22.1 Capacity . . . . . . . . . . . . . . . 78 22.2 APZ limitations . . . . . . . . . . . 78 22.3 Channel separation . . . . . . . . . . 78 22.4 Restart after power down . . . . . . . 78 22.5 Restart after link failure . . . . . . 78 22.6 Small system restart . . . . . . . . . 78 22.7 Large system restart . . . . . . . . . 79 23 Redundancy structure . . . . . . . . . . 80 24 Certification . . . . . . . . . . . . . . 81 25 Acronyms and abbreviations . . . . . . . 82 Description ERA/AR/S/TH,AR/SK/AFOL 10/1551−ANT244 01 Uen ERA/AR/SK (S Hellmark) 1997−05−15 C RULIB 10_1551−ANT24401.WTEK Uppgjord - PreparedFaktaansvarig - Subject responsibleNr - No Dokansv/Godk - Doc respons/ApprovedKontr - CheckedDatum - DateRevFile 4 26 References . . . . . . . . . . . . . . . 84 Description ERA/AR/S/TH,AR/SK/AFOL 10/1551−ANT244 01 Uen ERA/AR/SK (S Hellmark) 1997−05−15 C RULIB 10_1551−ANT24401.WTEK Uppgjord - PreparedFaktaansvarig - Subject responsibleNr - No Dokansv/Godk - Doc res…

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EXHIBIT 2 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 COMPLIANCE STATEMENT / CERTIFICATION OF DATA 2.911(d)The FCC ID: B5KKRC12110-11 transceiver with 2 W RF Module complies with the requirements specified in Office of Science and Technology Bulletin 53 2.911(d)The technical data contained in this application has been taken personally or under my supervision and is certified true and correct. My qualifica- tions are: Teletechnical Engineer ÅSÖ Gymnasium, Stockholm, Swede, 1975. Two years military experience with radar, communications and misssile equipment. Nine years experience in Electrical safety certifica- tions and five years in Electromagnetical Inter- ference certifications at SEMKO AB, the Swedish laboratory corresponding to Underwriters Labora- tories. Nine year experience with Cellular and Personal Communications System Base Stations at Ericsson Radio Systems AB, Stockholm, Sweden. NAME:______________________________ _Larry Lindström______________ POSITION:Engineer Regulatory Services__ Radio and EMC_________________ DATE:_14-10-1999___________________

EXHIBIT11 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 RF EXPOSURE STATEMENT OF COMPLIANCE I hereby certify that the Ericsson Radio System AB manufactured KRC 121 10/1 with FCC ID: B5KKRC12110-11 was tested in accordance with ANSI/IEEE C95.1-1992 and was found to be compliant to the FCC ́srequirements for Maximum Personal Exposure (MPE). NAME:______________________________ _Larry Lindström______________ POSITION:Engineer Regulatory Services__ Radio and EMC_________________ DATE:_14-10-1999___________________

EXHIBIT 4 APPLICANT: Ericsson Radio System AB FCC ID NO. B5KKRC12110-11 EXHIBIT 4 - COVER SHEET Table of Contents Block Diagram 1911-ROA 117 2046/14 Ux 1 page Block Diagram 1911-ROZ 104 03 Ux 1 page

Ericssonl October 27, 1999 Federal Communications Commission Authorization & Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 Attention: Equipment Authorization Branch Subject: Certification for FCC ID: B5KKRC12110-11 Gentlemen, Ericsson Radio Systems AB.requests a grant of Certification (Type Acceptance) for the above mentioned FCC Identifier. This dual mode cellular base station is for use in the 800 MHz Domestic Public Cellular Radiotelephone Communications Services, Subpart H of Part 22, and was tested using TIA/IS-136/IS-138 for operation in Cellular Systems. This base station will operate in either the analogue or digital mode at a maximum power out of 2 watts at the antenna connector of the TRX unit. The statement concerning MPE compliance for this base station is contained in exhibit 11. Ericsson Radio Systems AB requests confidentiality under CFR 0.459. Confidentiality for the following exhibit is requested Exhibit 5........Circuit Diagrams Justification of this request is in order to protect the large investment in developing this technology and to facilitate the circuit miniaturization utilized in this design and protect the innovative design as well as proprietary techniques which are implemented. In order to protect Ericsson’s competitive advantage on these proprietary techniques, we request the above listed exhibits be held as confidential and withheld from the Public Information File. If additional information is needed, please contact me on the below listed number. Sincerely, Larry L. Roberts Staff Engineer, Regulatory Programs Telephone No.: (804) 592-7732 Fax No.: (804) 592-6510 e-mail No. [email protected]

EXHIBIT 3 Page 3.1 APPLICANT: Ericsson Radio System AB FCC ID NO. B5KKRC12110-11 EXTERNAL PHOTOGRAPHS 2.1033 (c)(12) Front of RBS884 Macro with doors of. EXHIBIT 3 Page 3.2 APPLICANT: Ericsson Radio System AB FCC ID NO. B5KKRC12110-11 EXTERNAL PHOTOGRAPHS 2.1033 (c)(12) Front of RBS884 Macro with doors on. EXHIBIT 3 Page 3.3 APPLICANT: Ericsson Radio System AB FCC ID NO. B5KKRC12110-11 EXTERNAL PHOTOGRAPHS 2.1033 (c)(12) Front CASSETTE for RBS882 EXHIBIT3 Page3.4 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 EXTERNAL PHOTOGRAPHS 2.1033(C)(12)Front of RBS884M Micro with AC Supply EXHIBIT3 Page3.5 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 PHOTOGRAPH 2.1033(C)(12)Front of RBS884M Micro with DC Supply EXHIBIT3 Page3.6 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 EXTERNAL PHOTOGRAPHS 2.1033(C)(12)Front of MINIMDBS with AC Supply

EXHIBIT1 Page1.1 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 IDENTIFICATION PLATE 2.1033(c)(11)ID Label EXHIBIT1 Page1.2 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 IDENTIFICATION PLATE 2.1033(c)(11)ID Label Location

EXHIBIT9 Page9.1 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 INTERNAL PHOTOGRAPHS 1.1033(C)(12)Lid Outside plus Front EXHIBIT9 Page9.2 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 INTERNAL PHOTOGRAPHS 2.1033(c)(12)Component Side of Board under Lid EXHIBIT9 Page9.3 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 INTERNAL PHOTOGRAPHS 2.1033(c)(12)Reverse side of board EXHIBIT9 Page9.4 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 INTERNAL PHOTOGRAPHS 2.1033(c)(12)Bottom Outside - Cooler

EXHIBIT12 Page12.0 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 EXHIBIT 12 - COVER SHEET Table of Contents General Information12.1 Frequency Stabilizing Circuit 12.2 Spurious and harmonic suppression12.3 Limiting Power12.4 Digital and Analog Modulation12.5 EXHIBIT12 Page12.1 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 DESCRIPTION 2.1033(c)(2)FCC Identifier:B5KKRC12110-11 This transmitter is only for use in the Domestic Cellular Radio Telephone Communica- tions Service, Subpart H of Part 22. The frequencies are generated using a phase- Locked synthesizer. The synthesizer is locked to the in-coming sync signal from the PCM- link used for the system. (4)Type of Emission:40KOF1D 40KOF8W 30K0DXW 20KOFXW (5)Frequency range:869 to 894 MHz (6) Range of Operating Power: This transmitter is designated to supply 2 Watts of power at the antenna connector of the radio channel unit (TRX). 100 power levels are provided in 0.2 dB steps down to 20 milliwatts. (7)Maximum Power Rating: The maximum power rating under environmental supply voltage variations is equal to 2 watts plus the power level tolerance of + 1 dB. Therefore the maximum output power is 2.5 watts. (8)Final Amplifier Voltage and Current in normal operation (Rated power is for 1 device in the output stage). 0.02 Watts 2.0 Watts 24.5 V DC24.5 V DC 0.22 A DC1.1 A DC EXHIBIT12 Page12.2 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 DESCRIPTION 2.1033(c)(10)Frequency Stabilizing Circuit Description The transmitter uses a phase-locked UHF VCO operating between 761.07 MHz to 788.04 MHz. This signal is phase-locked to an internal 3.24 MHz reference oscillator frequency (RAREF) which in turn is divided down 6 times from the 19.44 MHz VCO in the digital block. The VCO is phase-locked to the incoming T- Link sync frequency of 2.048 MHz. RBS884M Micro The T-link is phase-locked to the local PCM- link sync frequency of 1.544 MHz (or 2.048 MHz for non-US markets) in the REMUX in the RBS884M Micro base station. RBS884 Macro and RBS882 Cassette The T-link is converted from a C-link in the DCON-board in the TCB-cabinet or in the cas- sette where the TRX:s are mounted. The C-link is phase-locked to the local PCM-link sync frequency of 1.544 MHz (or 2.048 MHz for non- US markets) in the CRI in the RBS884 Macro base station or the CRI in the RBS882 base station for cassettes. MINIMDBS The T-link is converted from a C-link in the MDCON-board in the MINIMDBS. The C-link is divided down 8 times from the local owen oscillator of 16.384 MHz in the PDB-board in the MINIMDBS. EXHIBIT12 Page12.3 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 DESCRIPTION 2.1033(c)(10)Spurious and Harmonic Suppression Spurious and harmonic suppression is achieved by using a bandpass filter of crystal type (N503 LX-stage) in the exciter amplifier and a passive bandpass filter connected to the TRX output. The output from the bandpass fil- ter is connected to the applicable combiner system in the base station. The combiner system will connect all the TRX units in the RBS884 base station family to the same antenna output. The combiner system will connect all the cas- settes with TRX units, all existing TRM and DTRM units in the RBS882 base station family to the same antenna output. EXHIBIT12 Page12.4 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 DESCRIPTION 2.1033(c)(10)Limiting Power The EMRPS function allows the RF power output to be set from 0 dB to – 20 dB attenuation in 0.2 dB steps from the MSC (Mobile Switching Center). The power levels can be in the range From a minimum of 20 milliwatts to a maximum Of 2.0 watts at the output of the TRX. The EMRPS supervises the feedback loop (RFF) From the Coupler stage to Linearization by checking the baseband signals. If the power output changes, the EMRPS will adjust the gain in the exciter amplifier. If some fault happens in the output power Circuits, the EMRPS will compare the fault with prestored values and report the fault to the Switch via alarm codes in different levels. The highest alarm level is a serious fault and this alarm will get the EMRPS to shut down the output power stages without confirmation from the Switch. EXHIBIT12 Page12.5 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 DESCRIPTION 2.1033(c)(10)Digital Modulation The TRX is used both as voice channel and control channel in the RBS884 System. The modulation can be digital or analog. It can also be used as a data channel for Digital Packet Data. The DIGITAL modulation is limited in the waveform generator. The burst data from each time slot is formatted with syncwords and coded with a digital verification color code and user channel data. The formatted burst data are then converted to digital I and Q signals. These digital I and Q signals are then filtered in a square root raised cosine filter to form the correct modulation. The filtered signals are ten times oversampled and converted to analogue signals in a D/A- Converter. The modulation form is π/4-DQPSK for control and voice channel and GMSK for the CDPD channel. (10)Analog Modulation The TRX is used both as voice channel and control channel in the RBS884 System. The modulation can be digital or analog. It can also be used as a data channel for Digital Packet Data. The ANALOG modulation is limited in the wave- form generator. The speech or control data from the PCM-line is formatted as per IS-136 with syncwords and SAT. The formatted data are then converted to ”digital I and Q sig- nals” too form the correct frequency modula- tion. The signals are then ten times oversam- pled and converted to analogue signals in a D/A-Converter. The signals are converted in such a way that the output signal will format a Frequency Modulated signal.

EXHIBIT10 Page10 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 EXHIBIT 10 - COVER SHEET Table of Contents Function Block10.1 Function Block Cont.10.2 Function Block Cont.10.3 Function Block Cont.10.4 Tune-Up Procedure10.5 Power Tune-Up – Power Limiting10.6 EXHIBIT10 Page10.1 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 FUNCTION OF ACTIVE CIRCUIT DEVICES 2.1033(c)(10)Function of Active Circuit Devices Function Block Digital Control (1911-ROZ 104 03) D18XLINEDRIVER TS D2PLD D4ASIC TRISTAN, CONTROL Radio & Synthesizer D6DSP, PLL- & PCM-link Control D8SRAM 64k16 D9FLASHROM 256k16 D100DSP, Receiver D101SRAM 64k16 D102ASIC ISOLET, RSSI Receiver, IfA- & IfB- Receiver D104DSP, Receiver D201FlipFlop P-edge Trigger D202Inverter D203D-type FlipFlop D204Inverter D206Inverter D300D-type FlipFlop N1Reset Circuit N100VCO 27.300 MHz N200ASIC ADDA, A/D-converter, D/A-converter N203Voltage Reference N204VCO 19.44 MHz N300Switch Regulator N301Switch Regulator V3Driver FlashROM VPP V4Driver FlashROM VPP V6LED Driver V8LED Driver V200Voltage Regulator V201Voltage Regulator V202Voltage Regulator V203Voltage Regulator V204Voltage Regulator V205Voltage Regulator EXHIBIT10 Page10.2 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 FUNCTION OF ACTIVE CIRCUIT DEVICES 2.1033(c)(10)Function of Active Circuit Devices Function Block RXRF (1911-ROZ 104 04) N602ASIC ODEN, Downconverter T601Balun T621Balun T622Balun V650Voltage Regulator V651Voltage Regulator Function Block RXIF (1911-ROZ 104 05) N801ASIC FREJA, If Circuit N810BandPassFilter 62.94 MHz N820BandPassFilter 62.94 MHz N811BandPassFilter 455 kHz N821BandPassFilter 455 kHz T800Transformer V800Voltage Regulator V801Voltage Regulator Function Block IFLO (1911-ROZ 104 06 N700Voltage Regulator N701PLL Synthesizer N702PLL Synthesizer N750Voltage Regulator V703Amplifier V707Amplifier V710Voltage Regulator V711Voltage Regulator V712Voltage Regulator V753Amplifier V757Amplifier V760Voltage Regulator V761Voltage Regulator V762Voltage Regulator EXHIBIT10 Page10.3 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 FUNCTION OF ACTIVE CIRCUIT DEVICES 2.1033(c)(10)Function of Active Circuit Devices Function Block FG (1911-ROZ 104 07) N903PLL Synthesizer N905Amplifier N907Oscillator 761 – 786 MHz V923Voltage Regulator V924Voltage Regulator V925Voltage Regulator Function Block LX (1911-ROZ 104 08) D401Inverter N401Differential Amplifier 4pcs N402ASIC GLEIPNER, Linearization N403Band Pass Filter N404Amplifier N407Voltage Regulator N408Voltage Regulator N409Voltage Reference N411ASIC RIO, Serial/Parallel Interface N415Amplifier N416Voltage Regulator T401Transformer T402Transformer T403Transformer T404Transformer V411VSWR Alarm Driver V412Voltage Regulator V413Voltage Regulator V420Power Setting Driver V421Power Setting Driver V422Power Setting Driver EXHIBIT10 Page10.4 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 FUNCTION OF ACTIVE CIRCUIT DEVICES 2.1033(c)(10)Function of Active Circuit Devices Function Block TXPA (1911-ROZ 104 09) N503Direction Coupler N504Controllable Voltage Regulator N511Temperature Sensor N512Circulator V5011 st Amplifier V511Bias V501 V514VSWR Alarm V515Driver Controllable Voltage Regulator EXHIBIT10 Page10.5 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 TUNE-UP PROCEDURE 2.1033(c)(9)Tune-Up Procedure All the necessary adjustments will be set in the factory, and should need no adjustments out in the field (pre-tuned coils are used, etc.). If the TRX is not able to maintain the requirements for power output, frequency sta- bility, etc., the Switch will give an indi- cation that the TRX needs service. If it is a great failure, the EMRPS will shut down the TRX without confirmation from the Switch. EXHIBIT10 Page10.6 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 CIRCUIT AND DEVICE DESCRIPTIONS 2.1033(c)(9,10)Power Tune-Up – Power Limiting The EMRPS function allows the RF power output to be set from 0 dB to – 20 dB attenuation in 0.2 dB steps from the MSC (Mobile Switching Center). The power levels can be in the range from a minimum of 20 milliwatts to a maximum of 2 watts at the output of the TRX. The EMRPS supervises the feedback loop (RFF) From the Coupler stage to Linearization by checking the baseband signals. If the power output changes, the EMRPS will adjust the gain in the exciter amplifier. If some fault happens in the output power circuits, the EMRPS will compare the fault with prestored values and report the fault to the Switch via alarm codes in different levels. The highest alarm level is a serious fault and this alarm will get the EMRPS to shut down the output power stages without confirmation from the Switch.

EXHIBIT6 Page6.01 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 EXHIBIT 6 – COVER SHEET Table of Contents EXHIBIT 6 – COVER SHEET6.01 EXHIBIT 6 – COVER SHEET CONTINUED6.02 EXHIBIT 6 – COVER SHEET CONTINUED6.03 EXHIBIT 6 – COVER SHEET CONTINUED6.04 RF POWER OUTPUT Method and Equipment6.05 Analog Mode High Power Channel 3846.06 High Power Channel 7996.07 High Power Channel 9916.08 Digital Mode High Power Channel 3846.09 High Power Channel 7996.10 High Power Channel 9916.11 MODULATION CHARACTERISSTICS Analog Mode SAT6.12 Wideband Data6.13 Audio Modulating Circuit Compressor Disabled6.14 Compressor Enabled6.15 Modulation Limiting Method and Equipment6.16 SAT Off6.17 Frequency Response Audio Low Pass Filtering6.18 Digital Mode6.19 Data Packet mode6.20 EXHIBIT6 Page6.02 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 EXHIBIT 6 – COVER SHEET CONTINUED Table of Contents OCCUPIED BANDWIDTH Method and Equipment6.21 Analog mode Continouos mode Span 90 kHz6.22 Voice Modulation with SAT Span 90 kHz6.23 Span 200 kHz6.24 Wideband Data Span 90 kHz6.25 Span 200 kHz6.26 Digital mode Span 90 kHz6.27 Span 200 kHz6.28 Data Packet mode Span 90 kHz6.29 Span 180 kHz6.30 CONDUCTED SPURIOUS MISSIONS Method and Equipment6.31 Analog Mode Channel 9916.32 Channel 3846.33 Channel 7996.34 Digital Mode Channel 9916.35 Channel 3846.36 Channel 7996.37 EXHIBIT6 Page6.03 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 EXHIBIT 6 – COVER SHEET CONTINUED Table of Contents RADIATED SPURIOUS EMISSIONS Method and Equipment6.38 MICRO AC Analog Mode Channel 9916.39 Channel 7996.40 Digital Mode Channel 9916.41 Channel 7996.42 MICRO DC Analog Mode Channel 9916.43 Channel 7996.44 Digital Mode Channel 9916.45 Channel 7996.46 MACRO Analog Mode Channel 9916.47 Channel 7996.48 Digital Mode Channel 9916.49 Channel 7996.50 CASSETTE Analog Mode Channel 9916.51 Channel 7996.52 Digital Mode Channel 9916.53 Channel 7996.54 MINIMDBS Data Packet Mode Channel 9916.55 Channel 7996.56 EXHIBIT6 Page6.04 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 EXHIBIT 6 – COVER SHEET CONTINUED Table of Contents FREQUENCY STABILITY Method and Equipment6.57 MACRO with CRI Supply Voltage 27.20 V6.58 Supply Voltage 23.12 V6.59 Supply Voltage 31.28 V6.60 CASSETTE with CRI Supply Voltage 27.20 V6.61 Supply Voltage 23.12 V6.62 Supply Voltage 31.28 V6.63 MICRO AC with REMUX Supply Voltage 115.0 V6.64 Supply Voltage 97.75 V6.65 Supply Voltage 132.3 V6.66 MICRO DC with REMUX Supply Voltage 27.20 V6.67 Supply Voltage 23.12 V6.68 Supply Voltage 31.28 V6.69 MINIMDBS Supply Voltage 115.0 V6.70 Supply Voltage 97.75 V6.71 Supply Voltage 132.3 V6.72 EXHIBIT6 Page6.05 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 RF POWER OUTPUT 2.1046(a)RF Power Output The RF power output at the output terminal is plotted against supply voltage variation. The measurement was made per TIA/IS-136/ IS-138 using the following Equipment. Radio frequency 50 ohm load attached to the output. The power was measured on a BONTOON RF Peak power meter/analyzer. EXHIBIT6 Page6.06 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 RF POWER OUTPUT ANALOG MODE 2.1046(a)RF Power Output Channel 384Output Power 33.0 dBm EXHIBIT6 Page6.07 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 RF POWER OUTPUT ANALOG MODE 2.1046(a)RF Power Output Channel 799Output Power 33.0 dBm EXHIBIT6 Page6.08 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 RF POWER OUTPUT ANALOG MODE 2.1046(a)RF Power Output Channel 991Output Power 33.0 dBm EXHIBIT6 Page6.09 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 RF POWER OUTPUT DIGITAL MODE 2.1046(a)RF Power Output Channel 384Output Power 33.0 dBm EXHIBIT6 Page6.10 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 RF POWER OUTPUT DIGITAL MODE 2.1046(a)RF Power Output Channel 799Output Power 33.0 dBm EXHIBIT6 Page6.11 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 RF POWER OUTPUT DIGITAL MODE 2.1046(a)RF Power Output Channel 991Output Power 33.0 dBm EXHIBIT6 Page6.12 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 MODULATION CHARACTERISTICS ANALOG MODE 2.1047(b)Modulation Characteristics SAT Freq.Output PowerPeak Deviation Chan.(MHz)(Watts)(+/- kHz) 384881.522.02.12/2.12 799893.972.02.12/2.15 991869.042.02.15/2.1 The measurement was made per TIA/IS-136/ IS-138 using the following Equipment. The input signal source was R&S CMTA 54 Radiocommunication analyzer. The input signal was fed through a custom made audio-PCM-converter named Claudio. Radio frequency load 50 ohm attached to the output. The peak deviation was measured on a Rohde & Schwarz CMTA 54, Radiocommunication analyzer. EXHIBIT6 Page6.13 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 MODULATION CHARACTERISTICS ANALOG MODE 2.1047(b)Modulation Characteristics Wideband Data Freq.Output PowerPeak Deviation Chan.(MHz)(Watts)(+/- kHz) 384881.522.08.20/8.25 799893.972.08.22/8.29 991869.042.08.18/8.29 The measurement was made per TIA/IS-136/ IS-138 using the following Equipment. The input signal source was R&S CMTA 54 Radiocommunication analyzer. The input signal was fed through a custom made audio-PCM-converter named Claudio. Radio frequency load 50 ohm attached to the output. The peak deviation was measured on a Rohde & Schwarz CMTA 54, Radiocommunication analyzer. EXHIBIT6 Page6.14 APPLICANT: Ericsson Radio System ABFCC ID NO. B5KKRC12110-11 MODULATION CHARACTERISTICS ANALOG MODE 2.1047(a,b)Modulation Characteristics Audio Modulating Circuit The measurement was made per TIA/IS-136/ IS-138 using the following Equipment. The input signal source was R&S CMTA 54 Radiocommunication analyzer. The input signal was fed through a custom made audio-PCM-converter named Claudio. Radio frequency load 50 ohm attached to the output. The peak deviation was measured on a Rohde & Schwarz CMTA 54, Radiocommunication analyzer. Note: In the RBS884 and RBS882 systems it is not possible for the …

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