OBEISANT NELSON INFORMATION & COMMUNICATION CO. LTD. TEL 2 8220881.
OB ANT-20 NELSON INFORMATION & COMMUNICATION CO, LTD. TEL.» E22 B512T80S (EXT 21%) FAK F822 857-458 NT-20 TABLE OF CONTENTS PAGE t. PRODUCT INTRODUCTION iis ivi oo 2 2. HOW TO USE criticism sss sms sor mosses miss 2 3. GENERAL SPECIFICATIONS... biz is siesisenstiibussiiins 4. RECEIVER PERFORMANCE SPECIFICATIONS. obis 3. TRANSMITTER PERFORMANCE SPECIFICATIONS... 9 6. THEORY OF OPERATION. ivi minicomputer ss imsmsummsain ess resewn 10 7, TRANSISTOR AND IC FUNCTION. cocoon ios shins 18 8. WARNING... 9.
OBEISANT THOMSON INFORMATION & COMMUNICATION CO. LTD. BIATHLON INFORMATION & on TEL: 1 $2.2. 851-2780~ (EXT 210) I pty 00; LT. FAX: 8222-857 958% EXHIBIT # € {. PRODUCT INTRODUCTION THE NT MONDRIAN MOBILE RADIO) OF NELSON 1&C CO. LTD. iS SOPHISTICATED STATE OF THE-ART UNE? WHICH INCORPORATES THE MODERN TECHNOLOGY AVAILABLE IN TWO WAY RADIO COMMUNICATIONS, THE USE OF MICROPROCESSOR TECHNOLOGY MAKES CHANGING. RADIO CHARACTERIZE Jes. SUCH AS OPERATING (FREQUENCIES AND SQUELCH CODES BOTH FAST AND COMICAL.
OB ANT-20 CARLSON INFORMATION & COMMUNICATION CO, LED. NELSON INFORMALITY ane TEE 82-85 12780 SECT 210) FOO ID: DB ANT-20 FAX 58258570582 EXHIBIT 25. MONITOR BURTON SELECTS THE MODE OF OPERATION, CARRIER SQUELCH OR TONE SQUELCH, CASED 3 IN CASE ‘OF PRESSING THE MONITOR KEY FOR LESS THAN 2 SEC, CHECKS THE CHANNEL I USE SCANNING EACH CHANNEL. THEN MONITOR OPERATION STOPS AS MONITOR KEY 1S RELEASED, THE RECEIVE MODE BEGINS. EASE. 2 IN. CASE.
OB ANT-20 NELSON INFORMATION & COMMUNICATION CO; LID. NELSON INFORMATION & TEL, + $3205 1-2 7R0~ SENT 210) MISCOMMUNICATION, LTD FAK: ¥228570583 FOE ID: OB ANT-25 EXHIBITS Ren THT OT FEATURE BRIDES AC TRANSMISSION WHICH IS'OVER s000A20/150/180 SECONDS BN LENGTH AFTER TIME OUT: & CONTINUOUS. ALERT. TONE SOUNDS: UNTIL FHE PTT SWITCH 15 FREEBASED, £18 CHANNEL SCAN TO DUTIABLE THE SCAN FEATURE, ROTATE THE CHANNEL EXCELSIOR TO! THE LIBATION WTH THE SCAN LIST PROGRAMMED TOUT.
OB ANT-20 NELSON INFORMATION & COMMUNICATION CO. LTD. TEL 8228512780 SECT 210) FAX © 8212-857 958% 21 PROGRAMMING INSTRUCTIONS SET CHANNEL FRED aie OH SPACE (kHz TONE i 150,025 23 NONE 4 160,025 3 150025 2s NONE 4 60.025 NOBLE NONE NONE SET 4 CHANNEL FREQ. (MHz) | Cll SPACE (hH) TONE i 173.575 iz5 NOME 2 173.975 25 NONE NONE NONE NONE 8 i 10 TE{SON INFORMATION & COMMUNICATION C0. LTD.
OB ANT-20 NELSON INFORMATION & COMMUNICATION CO, LTD. TEL TRANSLATOR-S ERT 21 PAX ¢ 5. TRANSMITTER PERFORMANCE SPECIFICATIONS 1. RE POWER OUTPUT 20 SPURIOUS & HARMONIC EMISSION 3, FEMUR & NOISE 4 AUDIO FREQUENCY RESPONSE S$. AUDIO FREQUENCY. DISTORTION 6; ADJACENT CHANNEL POWER RATIO I Want SOE. MIN. 34H MIN. (40dB Comity PER ElA 3%. MAX. F Ode MIN: NELSON INFORMATION & COMMUNICATION CO, LTD.
OB ANT-20 NELSON INFORMATION & COMMUNICATION CO., LTD. LETS R22ESL2TR0~ SENT 210) FAN: 82S THIGHS 6. THEORY OF OPERATION 61 FREQUENCY GENERATION CIRCUITRY FHE FREQUENCY ‘GENERATION CIRCUITRY 18 COMPOSED OF THE SYNTHESIZER IC 0%) AND: THE. VCO THE BLOCK: DIAGRAM ILLUSTRATES THE INTERCONNECT AND SUPPORT CIRCUITRY USE DIN, THE DESIGN. REFER TO THE SCHEMATIC:FOR REFERENCE DESIGNATION.
OBEISANT NELSON INFORMATION & COMMUNICATION CO., LTD. TEL © B25 12780 SUBTEXT 21 FAX BE-BIT-9583 61.2 VCO THE VOD J OSCULATED BY THE. CONTROL. VOLTAGES SUPPLIED FROM. THE PHOTOSYNTHESIZE) AND CONSISTS OF THE COLITIS OSCILLATOR OF THE QI08(RX) AND -QUIBBLERS THE OPERATION OF RX AND TX IS SELECTED BY 55V SWITCH TR(QI2L, Q122) AND THE VCO: OSCILLATES FROM ISUG00MEz “TO: 474000MHz. BY, CONTROL GENERATED PROM THE SYNTHESIZER, THE RY VEO OSCILLATES FROM F7LA00MHE TO 195.
OB ANT-20 NELSON INFORMATION & COMMUNICATION CO. LTH. 6.1.5 ANTENNA. SWITCH THE. ANTENNA SWITCH. IS COMPOSED OF SWITCHING: PART AND LOW PASS BITER. THE FORMER SELECTS TX: CARRIER OR RX SIGNAL AND THE LATTER REMOVES THE SPURIOUS RADIATION IN TRANSMIT MODE, THE TRY WHINGING IS ACCOMPLISHED WITHE PIN: DIODE DIST AND Ditz. IN TRANSMIT MODE, 55V 15: APPLIED: TG L104, DI AND THO! 15 ON, THE RE CARRIER TO BE RECEIVED IS BLOCKED BY THEM, AND THEN AN RF CARRIER PASSED BY LOW PASS FILTER RADIATES THROUGH AN ANTENNA.
OB ANT-20 NELSON INFORMATION .& COMMUNICATION €O,: LTD. FELON INFORMATION & COMMUNICATION COL, LTD: TRL © BEST 2780 SEXTET 210) ree. Ashanti % FAX © $2:2:8574583 62 RECEIVER THE RECEIVER OF THE NT208 CONSISTS: OF 4 MAJOR BLOCKS EACH © FRONTED, RF MIXER; AMHERST TR-AND IF IC. 6.2.1 FRONT-END FRONT-END SELECTS AND AMPLIFIES THE SIGNALS. OF WANTED BAND MUNG RF SIGNALS EXISTING IN THE FREE SPACE. IT CONSISTS OF THE FILTER AND HALLOWEEN NOISE. AMPLIFIER).
OB ANT-20 NELSON INFORMATION & COMMUNICATION CO, LTD. TEL 5 822-850-2780 5 (EXT 110) FAX: 82-2-8579583 CONSISTS OP 0102 AND PERIPHERAL RESISTORS AND CAPACITORS. THE GAIN OF AIR-AMP 18 2048 AND. THE DISSIPATED CURRENT LIDLESS THAN Sma. 4.25 IF IC THE IF ICUHLG2) CONSISTENT OF ‘THE Zhdanov MIXER, CERAMIC FRYER, PARALLEL LCR QUADRATURE TANK ‘COIL, AND NOISE SQUELCH. THE 2nd MINER: GENERATE THE SECOND IF 485kHE BY MIXING: THE FIRST IR 214M AND LOCAL FREQUENCY.
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CANT-20 NELSON INFORMATION & COMMUNICATION CO. LTD. NELSON INFORMATION & 3 } COMMUNICATION CO, ETD. TEL FEES 12780 ERT 290) FOC HOBART FAK 0 EXHIBIT #: 5 6.3.2 MIC AMP THE MIC AMP IS THE AMPLIFIER WHICH AMPLIFIES THE MICROPHONE GAGGING) BY USING OP AMP UZ048, R342, AND RII 63.3 ANALOG SWITCH ANALOG SWITCH "U200 CONTROLS THE: MEOW OF EACH SIGNAL, AND: OPERATES: AS THE FOLLOWING TABLE SELECTION GUIDE OF AUDIO FILTERER CONTROL) MODE SELECT ME pew 11 5th) PL AUDIO i x £3 AUTOCROSS AUDACIOUS.
OBEISANT NELSON INFORMATION & COMMUNICATION CO. LTD. NELSON INFORMATION & COMMUNICATION £0, LTD, TEL 1+ 218) FOC ID: OBEISANT: FAX © EXHIBIT #: x THE LOW PASS FILTER CONSISTS ‘OF THE 6h BUTTER WORTH LEFTISTS DESIGNED TO PASS THE FREQUENCY LESS THAN 254.142, THIS FILTER IS USED TO TRANSMIT OR RECEIVE THE CODICES INES, THE DATA DETECTOR DETECTS THE ANALOG SIGNAL OF RECEIVED (TOSS OR BES: LETS THE MPU IDENTIFY, AND CONSISTS OF U2078, R357; R360, RIO, R358, C362; C363 AND C364 6.3.
i OBEISANT NELSON INFORMATION & COMMUNICATION CO. LID. TEL © 8228S 127R0SERT 210) FAX 1 WARNING * You, must riot make, of have made, any internal modification to an NT-28 unit. Any mealtime codification. tinsels the FOC certification. and voids your authority to operate. fie whit 5 the NTI: “You mingy hot dacha early anus, powwow amplifier; or other apparatus to an. NE-20 nail that las not. Been FOC certified as part of that NT-20 ‘WiFi.
OB ANT-20 NELSON INFORMATION & COMMUNICATION CO, LD. . NELSON INFORMATION & COMMUNICATION CO, LTD. FOC ID; OBEISANT EXHIBIT # % TEL @ 33:3:651:2780 (EXT 210) FAK © B2i1-8375583 Rem NAME & DESCRIPTION | Tory | weaker. | = RAN em o | MURAT CHIP CERAMIC GAP. 5 00568 CHIP CERAMIC CAR. MURAT $1 | TRIMMER CAP.
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OB ANT-20 NELSON INFORMATION & COMMUNICATION Co. LTD. TRL. 82-2851 210) BAN. 182 THIRSTS FEL SON INFORMATION & COMMUNICATION CO, LTD: FOC ID: OBEISANT EXHIBIT # 5 ASCRIPTION NAME & DE : OHO04NEHE 10.