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FCC ID: OJFLITENNA0HF0SB0 FCC ID LABEL . Page 1 FCC ID LABEL FCC ID: OJFLITENNA0HF0SB0 FCC ID LABEL . Page 2 Pursuant 47CFR Section 2.983(f) see the identification label of Litenna™: Note: Base Unit Model: B8U, B4U, B2U, B1U Remote Unit Model: R1U, R4U TDMA 1900 Model: 9A410 GSM 1900 Model: 9A420 CDNA 1900 Model: 9A430 Litenna TM Base Unit Model #: 9A410-B8U Serial #: H10250 Litenna TM Remote Hub Unit Model #: 9A410-R1U Serial #: H1025001 FCC ID #: OJFLITENNA0HF0SB0 .
EXHIBIT 4. Page 1 EXHIBIT 4. DESCRIPTION OF THE CIRCUIT FUNCTIONS AND BLOCK DIAGRAM. EXHIBIT 4. Page 2 Litenna general description The Litenna system is intended to provide the user with a network for the placement of distributed antennas to provide in-building coverage and capacity for cellular telephone services. The system includes two major components, a base unit which interfaces typically with microcell equipment and remote units which are distributed throughout the building and are hubs for antennas. The signals in the forward direction (downlink) from the microcell to the mobile stations (cellular telephones) are carried via optical fiber from the base unit to the remote units. The signals in the reverse direction (uplink) from the mobile to the microcell are similarly carried along a different fiber to the base unit. Functionally, the system behaves as a repeater, with gain/attenuation as appropriate. No signal processing/modification, or RF modulation takes place in the system. The base unit is connected via coaxial cable (and attenuators, splitters...) to the microcell equipment, or an off-air repeater. The remote unit ports connect via coaxial cables to indoor antennae, which we do not supply. The components in the RF system (aside from discrete passives) are amplifiers, splitters/combiners, filters, lasers and photodiodes. There are no oscillators used in the system. The amplifiers are class A bias, except for the output power amplifiers for the downlink, which are class AB bias. The system is designed for the CDMA, TDMA and GSM services (1930-1990 MHz down, 1850-1910 MHz up). For the downlink, the nominal total output power from the antenna ports is 17 dBm per port for Models TDMA and GSM, and the nominal total output power from the antenna ports is 14 dBm per port for Model CDMA. The system is designed for indoor use in public buildings such as offices, shopping malls, etc. EXHIBIT 4. Page 3 Litenna explanation Block Diagram Litenna-in building coverage system The litenna system consist of two part: the base unit that connects to the microcell in one side and in the other it is connected to the remote unit that transmit the signals to the antennas and receive the signal from them. Left side shows the inputs/outputs of the system parts shows the internal structure of the BASE unit. The BASE unit can be consist of two equal boards (for 8 channels). Every board has four courses with optical output, optical input, RF input and common RF in. shows the splitting of the RF input to the BASE unit to every course of the laser circuits that converts the RF signal to a light signal and exits it through the optical fiber to the remote unit. Right side shows the basic structure of the receiver course. A photodiode receive the optic signal and converts it to RF. Then the signal pass trough an Amplifier and exits the unit. shows the basic structure of the REMOTE unit: The photodiode receives the light and converts it back to RF signal. The signal pass trough an amplifier, through a vca (voltage Controlled attenuator), tw o others low power amplifiers and a two way splitter. The signals passes an power amplifiers and duplexer (for separating- between the transmitted signals and the received signals. Then each one of the signal splits again to two signal and we connect the signals to four antennas. In the receive course, we sum the signals from all the four antennas, pass the signal to the receive course, filtering the needed frequencies, controlling the level of the signal through a vca (voltage- controlled attenuator, amplify the signal and convert it to light that passes through the optical fibers to the BASE unit. EXHIBIT 4. Page 4 Optical Fiber BaseRem ote Downlink RF in Uplink RF out 4 Uplink RF out 3 Uplink RF out 2 Uplink RF out 1 Downlink Uplink A tt. 3db A tt. Laser D iode. P hoto D iode. LN A G =15db A tt. 3-20db LN A G =13db LN A G =13db Saw P hoto D iode. LN A G =15db A tt. 3db Splitte r 1:4 D uplexer LN A G =22db A tt. 5-20db LN A G =12.5db Laser D iode. P o rt 1 . P o rt 2 . P o rt 3 . P o rt 4 . P o rt 4 . P o rt 3 . P o rt 2 . P o rt 1 . PA G =30db IP 3=50db Spiltte r 1:4 A tt. 3db Power Supply 18-48Vdc 7V-PA 5V Saw LN A G =12.5db -11 dB G AIN-19 dB G AIN40 dB G AIN 5.5 dB G AIN-19 dB G AIN 20.7dB G AIN
Litenna Installation GuideRequired Equipment Foxcom Wireless Proprietary Information Document No. 42-93-005-23D15 Required Equipment The following describes the equipment required for testing the system at setup. Table 2 – Required Equipment List Required Setup EquipmentQuantity HP8753C Network Analyzer or equivalent1 HP85046A S Parameter test set or equivalent1 HP8594E Spectrum Analyzer or equivalent1 Power supply 18/48 @ 1A1 Signal generator HP8648B or equivalent2 Amplifier Mini-circuit ZKL-2 or equivalent1 Digital Multi-meter1 RF Combiner Mini-Circuit ZAPD-21 or equivalent with N connectors1 High-grade 50-ohm phase matched cables: N to N cables N to SMA cables (in N remote type) SMA to SMA cables (in SMA remote type) 4 2 3 Optical power meter (1310 nm) for minimum 3 mW1 Singlemode duplex fiberoptic cable with SC/APC connectors 3m Singlemode fiberoptic cable SC/APC connectors3m Calibration kit, including Through (N-female to N-female) Short (N-female) 50 ohm (N-female) Required EquipmentLitenna Installation Guide 16 Document No. 42-93-005-23D Foxcom Wireless Proprietary Information Test Procedures This section explains the following test procedures: • Pre RF Test • Flatness Test • Gain/IP3 Test • Uplink Network Test In order to carry out the tests, the following connections need to be made. 1. Connect the Base Unit optical output to the RHU optical input via fiberoptic cable. 2. Connect power to all units being tested (18V-48V DC). Use the relevant setup for every test. Pre RF Test To carry out the Pre RF Test, the following procedure needs to be carried out. 1. Make sure all DC LEDs are lit on both units. 2. Measure Tx optical output power for all lasers. Output power should be 1.5-2.4mW (with optical power meter). 3. On the RHU, Make sure that the optical LED is lit. 4. On the BU, make sure the Rx optical LEDs are lit. Flatness Test To carry out the Flatness Test, the following procedure needs to be carried out. 1. Connect the Network Analyzer to the designated Base Unit. On the Network Analyzer, Base Unit connects to port 2. On the Network Analyzer RHU connects to port 1 (see Figure 9). 2. After calibrating the network, set Network Analyzer to: Measure S21 Format Log Scale 1db/div 3. Apply with the required F1 and F2 should be according to Product Spec. 4. Measure the difference between the highest and the lowest signal point, which should be as specified in the data sheet. Litenna Installation GuideRequired Equipment Foxcom Wireless Proprietary Information Document No. 42-93-005-23D17 Gain/IP3 Test To carry out the Gain/IP3 Test, the following procedure needs to be carried out. 1. Set the 2 tone signal from the 2 signal generators. RF signals F1 and F2 should be according to Product Spec. 2. Combine the signals with ZAPD-21 combiner or equivalent. 3. Connect the 2-tone signal to the input of the base (see Figure 10). 4. Set Spectrum Analyzer to: Video BW 10khz RBW 100khz Attenuation 20db Span 30Mhz Center freq. Refer to Product Spec. Ref level 10dbm 5. Connect RF cable from the RHU output to the Spectrum Analyzer. 6. Measure output Gain/IP3 from all test RHUs DownLink outputs. 7. IP3 is determine by: IP3= power tone + (power tone – powerM3)/2. Required EquipmentLitenna Installation Guide 18 Document No. 42-93-005-23D Foxcom Wireless Proprietary Information Base UnitRemot Hub Unit Network Analyzer Port 2Port 1 RF InRF Out Opt OutOpt In 18V18V Figure 9 – Network Analyzer Setup Test Remote Hub UnitBase UnitRF Combiner SG1 Spectrum Analyzer SG2 18V18V RF In Opt Out Opt In RF Out DC In DC In Figure 10 – Spectrum Analyzer Setup Test Litenna Installation GuideRequired Equipment Foxcom Wireless Proprietary Information Document No. 42-93-005-23D19 Uplink Network Test To carry out the Noise Floor test, the following procedure needs to be carried out. 1. Connect the Spectrum Analyzer to the Base Unit uplink port. Connect 50ohm terminators to the RHU ports, and to all Base Unit uplink ports except for the tested port (see Figure 11). 2. Extra amplification (25db) is applied between Base Unit and Spectrum Analyzer in order to measure the noise floor. 3. Set Spectrum Analyzer to: Video BW 300hz RBW 1khz Attenuation 0db Span 0hz Center freq. Refer to Product Spec. Ref level -50dbm Marker noise ON 4. The noise figure is formulated as: -174 + Gsystem + noise floor (On the RHU, all unused ports must be terminated with 50ohm load.) Remote Hub Unit Base Unit Spectrum Analyzer 18V 18V RF In Opt Out Opt In RF Out DC In DC In Uplink 1 8 . . AMP . . Figure 11 – Uplink Network Test
MPE Calculations for Foxcom Litenna FCC ID: OJFLITENNA0HF0SB RF Hazard Distance Calculation mW/cm2 from Table1:1.00 Max RF Power TX AntennaMPE P, dBmG, dBiSafe Distance, cm 21.01010.0 Basis of Calculations: E^2/3770 = S, mW/cm2 E, V/m = (Pwatts*Ggain*30)^.5/d, meters d = ((Pwatts*G*30)/3770*S))^0.5Pwatts*Ggain = 10^(PdBm-30+GdBi)/10) NOT E: T o meet FCC requirements for products of this type, a minimum separation distance of 20 cm must be maintained betw een antennas and all persons
SPECTRUM ANALYZER PLOTS Foxcom Ltd. Litenna Single Band HIGH Frequency Repeater FCC ID: OJKLITENNA0HF0SB0
FCC CFR47 CERTIFICATION PARTS 24 TEST REPORT FOR PCS RADIO REPEATER FCC ID:OJFLITENNA0HF0SB0 ISSUE DATE: OCTOBER 23, 2000 Prepared for FOXCOM WIRELESS LTD. Ofek One Center Building B, Northern Industrial Zone Lod, Israel 71293 Tested by COMPLIANCE CERTIFICATION SERVICES, INC. 1366 BORDEAUX DRIVE SUNNYVALE, CA 94089, USA TEL: (408) 752-8166 FAX: (408) 752-8168 FCC ID: OJFLITENNA0LF0SB0 0 T.N. COKENIAS CONSULTINGpage 0 of 15 TABLE OF CONTENTS PAGE 1.FCC CERTIFICATION INFORMATION ...................................................................................................... 1 2.TEST FACILITY ................................................................................................................................................ 4 3.ACCREDITATION AND LISTING ................................................................................................................. 4 4.MEASUREMENT INSTRUMENTATION...................................................................................................... 4 5.MEASURING INSTRUMENT CALIBRATION ............................................................................................ 4 6.UNITS OF MEASUREMENT ........................................................................................................................... 4 7.FCC 15.207 & 15.209 ................................................................................................................................... 5 8.TEST EQUIPMENT LIST................................................................................................................................. 6 9.EUT SETUP PHOTOS ....................................................................................................................................... 7 10.EXTERNAL I/O CABLE CONSTRUCTION DESCRIPTION................................................................ 8 11.CONFIGURATION BLOCK DIAGRAM................................................................................................... 9 12.PART 2: CERTIFICATION TEST REQUIREMENT:............................................................................. 9 SECTION 2.1046: RF POWER OUTPUT ................................................................................................................ 9 S ECTION 2.1047: MODULATION CHARACTERISTICS .................................................................................. 10 SECTION 2.1049: OCCUPIED BANDWIDTH ..................................................................................................... 10 SECTION 2.1051: SPURIOUS EMISSION AT ANTENNA TERMINALS......................................................... 10 SECTION 2.1053: FIELD STRENGTH OF SPURIOUS RADIATION................................................................ 11 SECTION 2.1055: FREQUENCY STABILITY ..................................................................................................... 13 CHART OF PLOTS:................................................................................................................................................ 13 FCC ID: OJFLITENNA0HF0SB0 1 T.N. COKENIAS CONSULTING page 1 of 15 1.FCC CERTIFICATION INFORMATION The following information is in accordance with FCC Rules, 47CFR Part2, Subpart J, Sections 2.1033 – 2.1055. 2.1033(c)(1) A pplicant: Foxcom Wireless Ltd. Ofek One Center Building B, Northern Industrial Zone Lod, Israel 71293 Contact person: Shlomo Cohen Telephone number: 972-8-9183818 2.1033(c)(2) FCC ID: OJFLITENNA0HF0SB0 2.1033(c)(3)Instructions/Installation Manual Refer to Attachment : User’s Manual. 2.1033(c)(4)Type of emissions DXW (TDMA), F9W (CDMA), GXW (GSM), 2.1033(c)(5)Frequency Range UPLINKDOWNLINKSERVICE 1850-19101930-1990TDMA/GSM/CDMA 1900 2.1033(c)(6)Range of Operation Power 18 dBm – 21 dBm maximum output, depending on modulation. Refer to Litenna Data Sheet, separate attachment 2.1033(c)(7)Maximum Power Rating ModulationSpecification, dBmCCS Data, dBm CDMA1818 TDMA2121.9 GSM2120.8 Section 24.232(a,b); Maximum Power . Base stations must not exceed 100 watts, mobile/portable stations must be less than 2 watts EIRP. 2.1033(c)(8)Applied voltage and currents into the final transistor elements FCC ID: OJFLITENNA0HF0SB0 2 T.N. COKENIAS CONSULTING page 2 of 15 Refer to schematic 2.1033(c)(9)Tune-up/Optimizations Procedure Refer to installation manual 2.1033(c)(10) Complete Circuit Diagrams and Functional Diagram Refer to Schematics and Block Diagram . Confidentiality is requested for these items. 2.1033(c)(10a) Means for Frequency Stabilization Not Applicable. Eut is an amplifier type repeater. 2.1033(c)(10b) Means for Suppressing of Spurious radiation. SAW filter. See Repeater description. 2.1033(c)(10c) Means for Limiting Modulation. Not Applicable. Eut is a repeater. 2.1033(c)(10d) Means for Limiting Power. Software control 2.1033(c)(11) Equipment Identification Refer to separate Word attachment 2.1033(c)(12) Photographs Refer to separate Word attachment 2.1033(c)(13) Description of Digital Modulation Techniques N/A EUT is repeater. 2.1033(c)(14) Standard Test Condition The repeater was tested under the following conditions. DC Supply from AC-DC adapter: 24 VDC The amplifier was aligned and tuned up according to manufacturer’s alignment procedure, prior to testing. All data presented represents the worst case parameter being measured. FCC ID: OJFLITENNA0HF0SB0 3 T.N. COKENIAS CONSULTING page 3 of 15 2.1033Description of Various Base Station Configurations Not Applicable. 2.1033 Use of Various Power Supplies Not Applicable. TYPE OF EQUIPMENT:Part 24 REPEATER MEASUREMENT DISTANCE:3 METER TECHNICAL LIMIT:24.232 FCC RULES:PART 24 EQUIPMENT AUTHORIZATION PROCEDURE CERTIFICATION MODIFICATIONS MADE ON EUT YES NO The above equipment was tested by Compliance Certification Services for compliance with the requirements set forth in the FCC CFR 47, Parts 2, 24, and 90. The results of testing in this report apply to the product/system, which was tested only.…
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FCC ID: OJFLITENNA0HF0SB0 7 T.N. COKENIAS CONSULTING page 7 of 15 9. EUT SETUP PHOTOS - refer to separate attachment
EL GRANADA, California · United States
| # | Rule Parts | Frequency Range | Power Output | Emission | Tolerance |
|---|---|---|---|---|---|
| 6 | 24 | 1.93 GHz - 1.99 GHz | 126.00 mW | GXW | Amp |

Remote Unit, Radio Node
Equipment Class
B2I - Part 20 Industrial Booster (CMRS)
HRU Digital High Power Amplifier Module supporting PCS
Equipment Class
B2I - Part 20 Industrial Booster (CMRS)
Low Band dRAU
Equipment Class
B2I - Part 20 Industrial Booster (CMRS)
digital Medium-power Remote Unit
Equipment Class
B2I - Part 20 Industrial Booster (CMRS)
digital Medium-power Remote Unit
Equipment Class
B2I - Part 20 Industrial Booster (CMRS)