K66VX-2500UUHF Transceiver

VX-2500 Operating Manual1 of 15 2001. 10. 25Ver 1.0 VX VX VX VX – –– – 2500 2500 2500 2500 Operating OperatingOperating Operating Manual Manual Manual Manual VX-2500 Operating Manual2 of 15 2001. 10. 25Ver 1.0 Congratulations! Congratulations!Congratulations! Congratulations! You now have at your fingertips a valuable communications tool-a VERTEX STANDARD two- way radio! Rugged, reliable and easy to use, your VERTEX STANDARD radio will keep you in constant touch with your colleagues for years to come, with negligible maintenance downtime. Please take a few minutes to read this manual carefully. The information presented here will allow you to derive maximum performance from your radio, in case questions arise later on. We're glad you joined the VERTEX STANDARD team. Call on us anytime, because communications is our business. Let us help you get your message across. Notice ! Notice !Notice ! Notice ! There are no owner-serviceable parts inside the transceiver. All service jobs must be referred to an autho-rized VERTEX STANDARD Service Representative. Consult your Authorized VERTEX STANDARD Dealer for installation of optional accessories. Safety / Warning Information Safety / Warning InformationSafety / Warning Information Safety / Warning Information WARNING - DO NOT operate the VX-2500 radio when someone (bystanders) outside the vehicle is within following range. Safety Training information: Antennas used for this transmitter must not exceed an antenna gain of 0 dBd. The radio must be used in vehicle-mount configurations with a maximum operating duty factor not exceeding 50%, in typical Push-to-Talk configurations. This radio is restricted to occupational use, work related operations only where the radio operator must have the knowledge to control the exposure conditions of its passengers and bystanders by maintaining the minimum separation distance of following range. Failure to observe these restrictions will result in exceeding the FCC RF exposure limits. Antenna Installation: For rear deck trunk installation, the antenna must be located at least following range away from rear seat passengers in order to comply with the FCC RF exposure requirements. For roof top installation, the antenna must be placed in the center of the roof. Radiated frequency and Distance Radiated frequency and DistanceRadiated frequency and Distance Radiated frequency and Distance VX-2500U (D) 1.89 Feet (0.576 m) VX-2500 Operating Manual3 of 15 2001. 10. 25Ver 1.0 Control ControlControl Controls ss s & Connectors & Connectors & Connectors & Connectors Vertex Standard Vertex StandardVertex Standard Vertex Standard A AA A P 1 P 1P 1 P 1P 2 P 2P 2 P 2P 3 P 3P 3 P 3P 4 P 4P 4 P 4 FRONT FRONTFRONT FRONT REAR REARREAR REAR VX-2500 Operating Manual4 of 15 2001. 10. 25Ver 1.0 Important! Important!Important! Important! – All buttons located on the Front Panel are Programmable Function Button (PF Programmable Function Button (PFProgrammable Function Button (PF Programmable Function Button (PF button) button) button) button) determined by your network requirements and programmed by your VERTEX STANDARD dealer. Following instruction is along with nominal button programming. VOL. / PWR Knob VOL. / PWR KnobVOL. / PWR Knob VOL. / PWR Knob Rotate the knob to turn the transceiver ON and OFF and set the volume of the receiver. Busy / Busy / Busy / Busy / TX TXTX TX Indicator Indicator Indicator Indicator [Conventional] [Conventional][Conventional] [Conventional] This lamp glows red when the radio is transmitting and glows green when the channel is busy. Steady Green: Busy Channel Blinking Green : Tone Squelch in defeated condition Steady Red: Transmission in Progress [LTR Trunking] [LTR Trunking][LTR Trunking] [LTR Trunking] This lamp glows red when the radio is transmitting and glows green when the System is busy (Indicating all channels of the System are busy.) Steady Green: System Busy Steady Red: Transmission in Progress LCD (Liquid Crystal Display) LCD (Liquid Crystal Display)LCD (Liquid Crystal Display) LCD (Liquid Crystal Display) The display include an 8-character alpha-numeric section showing System and Group names, status and identity information, and error messages. Additional indicators on the display show priority channel assignments and scan include / exclude selection. Button [Programmable Function Button ] Button [Programmable Function Button ]Button [Programmable Function Button ] Button [Programmable Function Button ] Pressing these buttons changes the current Group (and displayed group number or name). Holding this button for more than 1/2 second causes the function to repeat. Microphone Jack Microphone JackMicrophone Jack Microphone Jack Connect the microphone plug to this jack. A Button [Programmable Function Button ] A Button [Programmable Function Button ]A Button [Programmable Function Button ] A Button [Programmable Function Button ] This button can be set up for special applications, such as high/low power selection, monitor, Talk-around, etc, as determined by your network requirements and programmed by your VERTEX STANDARD dealer. Button [Programmable Function Button ] Button [Programmable Function Button ]Button [Programmable Function Button ] Button [Programmable Function Button ] Pressing these buttons changes the current System (and displayed group number or name). Holding this button for more than 1/2 second causes the function to repeat. P1 to P4 [Progr P1 to P4 [ProgrP1 to P4 [Progr P1 to P4 [Programmable Function Button ] ammable Function Button ]ammable Function Button ] ammable Function Button ] This button can be set up for special applications, such as High/Low power selection, VX-2500 Operating Manual5 of 15 2001. 10. 25Ver 1.0 Monitor, Talk-around, etc, as determined by your network requirements and programmed by your VERTEX STANDARD dealer. Antenna Socket Antenna SocketAntenna Socket Antenna Socket The 50-ohm coaxial feedline to the antenna must be connected here, using a type-M (PL-259) …

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Front of EUT Back of EUT Right side of EUT Left side of EUT Top of EUT Bottom of EUT Microphone DC Power cable

All dimentions are in millimetersAll dimentions are in millimeters Vertex Standard VX-2500U FCC LABEL POSITION BOTTOM SIDE This device complies with 15 of the FCC Rules. Operation is subject to condition that this device does not cause harmful interference. FCC Operational Requirement FCC LabelFCC Label 77 404088 3 5 3 5 4909959000000 SER. NO. 00000000 MADE IN JAPANMADE IN JAPANVERTEX STANDARD CO.,LTD.VERTEX STANDARD CO.,LTD. VX-2500UVX-2500U FCC ID:K66VX-2500UFCC ID:K66VX-2500U 40 3 5 22 RR CANADA:CANADA:

Inside of EUT Inside of EUT Component side of RF-UNIT with shield cases Component side of RF-UNIT without shield cases Solder side of RF-UNIT Inside front panel with PWB Inside front panel without PWB Component side of PANEL-UNIT with LCD Component side of PANEL-UNIT without LCD Solder side of PANEL-UNIT Front of LCD Back of LCD Inside of chassis with power module & shield case Inside of chassis with power module Inside of chassis Inside of microphone

VX-2500U Circuit Description, Page 1/2 Vertex Standard Co., Ltd. VX-2500U Circuit Description Overview The VX-2500U is a UHF/FM mobile transceiver designed to operate in the frequency range of 450 to 490MHz. Circuit Configuration by Frequency The receiver is a double-conversion superheterodyne with a first intermediate frequency (IF) of 44.25MHz and a second IF of 450kHz. Incoming signals from the antenna are mixed with the local signal from PLL to produce the first IF of 44.25MHz. This is then mixed with the 43.8MHz second local oscillator (using the 14.7MHz reference crystal) output to produce the 450kHz second IF. This is detected to give the demodulated signal. The transmit signal frequency is generated by PLL VCO, and modulated by the signal from the microphone. It is then amplified and sent to the antenna. Receive Signal Path Incoming RF signals from the antenna connector are delivered to the RF Unit, and pass through a low- pass filter (LPF) antenna switching network consisting of coils L1001,L1002, L1003, L1005 and L1007, capacitors C1004, C1009,C1016, C1019, and C1025, and antenna switching diodes D1005 and D1007 for delivery to the receiver front end. Signals within the frequency range of the transceiver are then passed through a varactor-tuned bandpass filter consisting of L1008, L1009 before RF amplification by Q1011 (2SC4227). The amplified RF is then band-pass filtered again by varactor-tuned resonators L1019, L1023 to ensure pure in-band input to 1st mixer Q1026 (3SK228). Buffered output from the VCO Unit is amplified by Q1021 (2SC5107) and low-pass filtered by L1030 / L1032 and C1184 / C1188 / C1192, to provide a pure 1st local signal between 405.75 and 445.75MHz to the 1st mixer. The 44.25MHz 1st mixer product then passes through dual monolithic crystal filters XF1001 and XF1002 (±5.5kHz BW), and is amplified by Q1029 (2SC4215Y) and delivered to the input of the FM IF subsystem IC Q1028 (TA31136FN). This IC contains the 2nd mixer, 2nd local oscillator, limiter amplifier, FM detector, noise amplifier, and squelch gates. The 2nd LO in the IF-IC is produced from crystal X1001 (14.600MHz), and the 1st IF is converted to 450kHz by the 2nd mixer and stripped of unwanted components by ceramic filter CF1001 or CF1002. After passing through a limiter amplifier, the signal is demodulated by the FM detector CD1001 (CDBC450CX24). Detected audio from Q1029 is applied to Q2016 (AK2345) and audio low-pass filter. After volume adjustment by Q2014 (M62364FP), the audio signal is amplified by the AF power amplifier Q1509 (TDA2003H) and passed to speaker jack. Transmit Signal Path Voice audio from the microphone is delivered via the Mic (Jack) Unit to the PANEL Unit, after passing through amplifier Q2022 (NJM2902V), Mic gain-volume Q2014 (M62364FP) pre-emphasis Q2015 (NJM2902V), and limiter (IDC instantaneous deviation control), is adjusted for optimum deviation level and delivered to the next stage. Voice input from the microphone and CTCSS are FM-modulated to the VCO of the synthesizer, while DCS audio is modulated by the reference frequency oscillator of the synthesizer. Synthesizer output, after passing through diode switch D1022 (1SS321), is amplified by driver Q1022 (2SC5415E) / Q1025 (2SC5107) and power module Q1014 (RA30H4449M) to obtain full RF output. The RF energy then passes through antenna switch D1005 / D1007 and a low-pass filter circuit and finally to the antenna connector. RF output power from the final amplifier is sampled by CM coupler and is rectified by D1011,D1012(HSM88AS 2). The resulting DC is fed through Automatic Power Controller Q1003 (M5223AGP), Q1002 (2SC4154E), Q1032 (2SC4254E), and TH1003 to transmitter RF amplifier and thus the power output. Generation of spurious products by the transmitter is minimized by the fundamental carrier frequency being equal to the final transmitting frequency, modulated directly in the transmit VCO. Additional harmonic suppression is provided by a low-pass filter consisting of L1002, L1003, L1005, C1004, C1009, C1016, C1019 and C1025, resulting in more than 70dB of harmonic suppression prior to delivery to the RF energy to the antenna. VX-2500U Circuit Description, Page 2/2 Vertex Standard Co., Ltd. PLL Frequency Synthesizer PLL frequency synthesizer consists of the VCO Q1013 (2SK508-K52:RX) and Q1015 (2SC4226- R24:TX), VCO buffers Q1018 (2SC5107-0), Q1020 (2SC5107-0), Q1021 (2SC5107-0), PLL subsystem IC Q1023 (SA7025DK) and 14.6MHz reference crystal X1001. The frequency stability is ±2.5ppm within temperature range of –30 to +60°C. The output of the 14.6MHz reference is applied to pin 8 of the PLL IC. While receiving, VCO Q1013 oscillates between 405.75 and 445.75MHz according to the transceiver version and the programmed receiving frequency. The VCO generates 405.75 to 445.75MHz for providing to the first local signal. In TX, the VCO generates 450 to 490MHz. The output of the VCO is amplified by the Q1020 and routed to the pin 5 of the PLL IC. Also the output of the VCO is amplified by the Q1021 and routed first local /Power Module according to D1022. The PLL IC consists of a prescaler, fractional divider, reference divider and phase comparator and charge pump. This PLL IC is fractional-N type synthesizer and performs in the 40 or 50kHz reference signal, which is eighth of the channel step (5 or 6.25kHz). The input signal from pin 5 and 8 of the PLL IC is divided down to the 20kHz and compared at phase comparator. The pulsed output signal of the phase comparator is applied to the charge pump and transformed into DC signal in the loop filter. The DC signal is applied to the pin 1 of the VCO and locked to keep the VCO frequency constant. PLL data is output from DCS_E (pin100), CLOCK (pin2) and PLL_E (pin98) of the microprocessor Q2013. The data are input to PLL IC when the channel is changed or when transmission is changed to reception and vice versa. A PLL lock condition is always monitored by the pin20 of the Q2013. When the PL…

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VX-2500U Alignment, Page 1/4 Vertex Standard Co., Ltd. VX-2500U Alignment The VX-2500U has been carefully aligned at the factory for the specified performance across the frequency range specified for each version. Realignment should therefore not be necessary except in the event of a component failure, or alteration of version. All component replacement and service should be performed only by an authorized Vertex Standard representative, or the warranty policy may be voided. The following procedures cover the sometimes critical and tedious adjustments that are not normally required once the transceiver has left the factory. However, if damage occurs and some parts are replaced, realignment may be required. If a sudden problem occurs during normal operation, it is likely due to component failure; realignment should not be done until after the faulty component has been replaced. We recommend that servicing be performed only by authorized Vertex Standard service technicians who are experienced with the circuitry and fully equipped for repair and alignment. Therefore, if a fault is suspected, contact the dealer from whom the transceiver was purchased for instructions regarding repair. Authorized Vertex Standard service technicians realign all circuits and make complete performance checks to ensure compliance with factory specifications after replacing any faulty components. Those who do undertake any of the following alignments are cautioned to proceed at their own risk. Problems caused by unauthorized attempts at realignment are not covered by the warranty policy. Also, Vertex Standard must reserve the right to change circuits and alignment procedures in the interest of improved performance, without notifying owners. Under no circumstances should any alignment be attempted unless the normal function and operation of the transceiver are clearly understood, the cause of the malfunction has been clearly pinpointed and any faulty components replaced, and the need for realignment determined to be absolutely necessary. The following test equipment (and thorough familiarity with its correct use) is necessary for complete realignment. Correction of problems caused by misalignment resulting from use of improper test equipment is not covered under the warranty policy. While most steps do not require all of the equipment listed, the interactions of some adjustments may require that more complex adjustments be performed afterwards. Do not attempt to perform only a single step unless it is clearly isolated electrically from all other steps. Have all test equipment ready before beginning, and follow all of the steps in a section in the order presented. Required Test Equipment RF signal generator: calibrated output level at1000MHz (0dBμ =1.0μV - closed circuit) Deviation Meter (linear detector) AF Millivoltmeter SINAD Meter Inline Wattmeter with 5% accuracy at 1000MHz Regulated DC Power Supply: adjustable from 10 to 17 VDC, 15A 50-ohm Non-reactive Dummy Load: 100W at 1000MHz Frequency Counter: >0.1ppm accuracy at 1000MHz AF Signal Generator DC Voltmeter: high impedance RF Sampling Coupler (attenuation pad) AF Dummy Load: 4Ω, 20W Oscilloscope Spectrum Analyzer IBM PC/compatible computer Vertex Standard VPL-1 programming cable and CE-** channel programming editor. VX-2500U Alignment, Page 2/4 Vertex Standard Co., Ltd. Alignment Preparation & Precautions A dummy load and inline wattmeter must be connected to the main antenna jack in all procedures that call for transmission, except where specified otherwise. Correct alignment is not possible with an antenna. After completing one step, read the following step to determine whether the same test equipment will be required. If not, remove the test equipment (except dummy load and wattmeter, if connected) before proceeding. Correct alignment requires that the ambient temperature be the same as that of the transceiver and test equipment, and that this temperature be held constant between 20 and 30°C (68 and 86°F). When the transceiver is brought into the shop from hot or cold air it should be allowed some time for thermal equalization with the environment before alignment. If possible, alignments should be made with oscillator shields and circuit boards firmly affixed in place. Also, the test equipment must be thoroughly warmed up before beginning. Before beginning, connect the transceiver and PC using the VPL-1 programming cable as described in the EEPROM Programming chapter, and downloads the EEPROM data from the transceiver to the computer. Store this data in a disk file so that it can be saved and retrieved later. Using the table below, program the channel, CTCSS, and DCS alignment settings for your transceiver version. Upload this file to the transceiver. Note: Signal levels in dB referred to in this procedure are based on 0 dBm = 0.5 μV (closed circuit). Set up the test equipment as shown for transmitter alignment. Maintain the supply voltage at 13.8V DC for all steps. VX-2500U Alignment, Page 3/4 Vertex Standard Co., Ltd. Alignment Channel Frequencies UHF TYPE D ChannelFrequency (simplex) CTCSS Encode DCS Encode Narrow /wide CH1450.01MHzNoneNoneWide CH2465.01MHzNoneNoneWide CH3479.99MHzNoneNoneWide CH4450.01MHzNoneNoneNarrow CH5465.01MHzNoneNoneNarrow CH6479.99MHzNoneNoneNarrow CH7465.01MHz151.4HzNoneWide CH8465.01MHzNone023Wide CH9465.01MHz151.4HzNoneNarrow CH10465.01MHzNone023Narrow PLL PLL VCV Connect the positive lead of the DC voltmeter to the test point TP1009 (VCV) on the RF-Unit, as indicated in the figure, and the negative lead to chassis ground. Set the transceiver to the high band edge frequency channel, then adjust coil L1017 on the Unit for 4.2V on the voltmeter. Key the transmitter, and adjust coil L1015 on the Unit for 4.2V on the voltmeter. Next select to the low edge frequency channel and confirm about 1.0V on the voltmeter. Key the transmitter, and confirm about 1.0V on the voltmeter. PLL Reference Frequency With the wattmeter, dummy load …

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VX-2500U Component Applications, 1/2 AddressDevice nameDescriptionApplication [RF-UNIT] Q 1001Transistor2SC4116GR 2nd local AMP Q 1002Transistor2SC4154DC AMP Q 1003ICM5223AGPAPC COMP Q 1004ICMM1216ENRE9V Regulator Q 1005Transistor2SB1201STP9V Regulator Q 1006TransistorRT1N241MTx Power Control Q 1007Transistor2SC4154EVCO 9V Regulator Q 1008ICDTB123EKRx 9V Switch Q 1009Transistor2SB1132RTx 9V Switch Q 1010TransistorIMH6Tx/Rx Switch Q 1011Transistor2SC4227RF Amplifier Q 1012TransistorRT1N241MMOD Mute Switch Q 1013Transistor2SK508RX Voltage Control Oscillator Q 1014ICRA30H4452MRF PWR-MODULE Q 1015Transistor2SC4226TX Voltage Control Oscillator Q 1016TransistorRT1N241MRX VCO Switch Q 1017TransistorIMH6TX VCO Switch Q 1018Transistor2SC5107-OBuff AMP Q 1019ICM5223AGP 600CAF Modulation Q 1020Transistor2SC5107-OBuff AMP Q 1021Transistor2SC5107-OBuff AMP Q 1022Transistor2SC5415ETx Driver AMP Q 1023ICSA7025DKPLL Subsystem Q 1024ICNJM78L05UA5V Regulator Q 1025Transistor2SC5107-OTx Driver AMP Q 1026FET3SK228XRRx Mixer Q 1027Transistor2SC4116GRReference Oscillator Q 1028ICTA31136FNIF Subsystem Q 1029Transistor2SC4226IF AMP Q 1030TransistorRT1N241MWide/Narrow Switch Q 1031TransistorRT1N241MRx Wide/Narrow Switch Q 1031Transistor2SC5107-OBuff AMP Q 1501Transistor2SC41545V Regulator Q 1502TransistorRT1N241MSB Switch Q 1503ICNJM2902VAF AMP/SQL Q 1504Transistor2SD1368CBH_A/IG Switch Q 1505Transistor2SC4116GRH_A/IG Switch Q 1506TransistorRT1N241MIG Switch Q 1507TransistorRT1N241MH_A Switch Q 1508TransistorPDTC114TEAF Mute Q 1509ICTDA2003HAF Power AMP Q 1510TransistorPDTC114TESQL Switch Q 1511Transistor2SB1301AF Power AMP Switch Q 1512TransistorRT1N241MAF Power AMP Switch Q 1513ICS-93C56AMFNProgrammable Data Store Q 1514Not Used Q 1515FET2SJ125DAF Mute D 1001DiodeRLS135RF Limitting D 1002DiodeBAS316RF Limitting D 1003DiodeMC2850Temp. Comp. D 1004DiodeP6KA18Reverse Voltage Protecion D 1005DiodeUM9957FAntenna Switch D 1006DiodeBAS316APC Switch D 1007DiodeUM9957FAntenna Switch D 1008Varactor DiodeHVC358BBPF Tune D 1009DiodeBAS316APC D 1010Varactor DiodeHVC358BBPF Tune D 1011DiodeHSM88ASPower Detect D 1012DiodeHSM88ASPower Detect D 1013Varactor DiodeHVU306ARX VCO D 1014Varactor DiodeHVU306ARX VCO D 1015Varactor Diode1SV276TX VCO D 1016Varactor Diode1SV276TX VCO D 1017Varactor Diode1SV214TX MOD D 1018Varactor DiodeHVC358BBPF Tune D 1019Varactor DiodeHVC358BBPF Tune D 1020Varactor DiodeHVU300ATemp. Control for PLL REF D 1021DiodeBAS316Temp. Control for TX Driver D 1022Diode1SS321Tx/Rx RF Switch D 1023Varactor DiodeHVU359Temp. Control for PLL REF D 1024DiodeMC28482nd IF Filter Switch Vertex Standard Co., Ltd. VX-2500U Component Applications, 2/2 AddressDevice nameDescriptionApplication D 1025Varactor DiodeHVU359TX MOD D 1026DiodeMC28482nd IF Filter Switch D 1501DiodeMC2850Protecion D 1502DiodeMC2850Protecion D 1503DiodeMC2850Protecion D 1504DiodeBAS316External PTT D 1505DiodeD1F20Protecion D 1506DiodeMC2850SQ Noise Detector D 1507DiodeMC2850SQ Noise Detector D 1508Not Used [PANEL-UNIT] Q 2001 Transistor2SC4617RESET Switch Q 2002 Transistor2SC4617RXD Switch Q 2003 TransistorS-80735SNPower Down Q 2004 Transistor2SC4617RESET Q 2005 Transistor2SC4617TXD Switch Q 2006 TransistorNJM78L05UA5V Regulator Q 2007 Transistor2SC4617Clock Shift Q 2008 TransistorRT1N241MLAMP LED Drive Q 2009 TransistorRT1P441USEL Switch Q 2010 TransistorRT1N241MRX LED Drive Q 2011 Not Used Q 2012 Not Used Q 2013 ICLC87F72C8A-F5N19 Microprocessor Q 2014 ICM62364FP 600DD/A Converter Q 2015 ICNJM2902VAF AMP/Pre-Emphasis/PSK Detect Q 2016 ICIC AK2345(TAPE)Base Band IC Q 2017 ICIC LA8630MCompander Q 2019 TransistorPDTC144EECompander Switch Q 2020 Transistor2SC4617DCS Encode Q 2021 ICNJM2902VDCS Decode Detect / DCS Encode Filter/ D/A Converter Reference Q 2022 ICNJM2902VDTMF Encode/AF AMP/De-Emphasis Q 2024 ICBU4066BFAnalog Switch Q 2025 TransistorRT1N241MTX LED Drive D 2001 DiodeDA221Protector D 2002 DiodeDA221Protector D 2003 DiodeDA221Reset D 2004LED BRPG1211CRX/TX LED D 2005 DiodeDA221Protector D 2006LED TLOU262Back Light LED D 2007 DiodeMA2S111Protector D 2008LED TLOU262Back Light LED D 2009 DiodeDA221PSK Detector D 2010 DiodeMA2S111Protector D 2011 DiodeMC2846Protector D 2012 DiodeDA221Protector D 2013 DiodeDA221DCS Detector D 2014 DiodeMA2S111Switch D 2015 DiodeMA2S111KEY Matrix Switch D 2016 DiodeMA2S111KEY Matrix Switch D 2017 DiodeMA2S111KEY Matrix Switch D 2018 Not Used D 2019 Not Used D 2020 Not Used D 2021 Not Used D 2022 Not Used D 2023 Not Used D 2024 Not Used D 2025 Not Used D 2026 Not Used D 2027 DiodeMA2S111KEY Matrix Switch D 2028 DiodeMA2S111KEY Matrix Switch D 2029 DiodeMA2S111KEY Matrix Switch D 2030 DiodeMA2S111KEY Matrix Switch D 2031 DiodeMA2S111KEY Matrix Switch D 2032 DiodeMA2S111KEY Matrix Switch Vertex Standard Co., Ltd.

FCC ID: K66VX-2500U MFA p01a0008, d01b0025 Date: November 7, 2001 Applicant: Vertex Standard Co., Ltd. 4-8-8 Nakameguro, Meguro-Ku Tokyo 153-8644 Japan Attention of: Tomiro Ohmoto, General Manager, Export Division 81-03-5725-6122; FAX: -6205 Mailing: Vertex Standard USA Inc. 17210 Edwards Rd. Cerritos, CA 90703 Attention of: Mikio Maruya, Executive Vice President (800) 255-9237; FAX: (800) 477-9237 (562) 404-2700, x280; FAX: -1210 [email protected] Equipment: VX-2500U FCC ID: K66VX-2500U P.O. Number: UPS Oct 31, 2001 FCC Rules: Radiofrequency Radiation Exposure Limits 47 CFR 1.1310 MPE - Mobiles X Fixed Based Station Gentlemen: Enclosed please find your copy of the Supplemental Test Data Report, the whole for Environmental Assessment (MPE) of the referenced equipment as shown. Please allow from 8-12 weeks to hear from the Commission, who may request additional data or information, and even a sample for pre-grant audit testing. Should you need any clarification, just fax or phone. Thank you again for this order - it has been a pleasure to be of service. Sincerely yours, Morton Flom, P. Eng. enclosure(s) MF/cvr via email FCC ID: K66VX-2500U MFA p01a0008, d01b0025 Date: November 7, 2001 Federal Communications Commission Via: Electronic Filing Attention: Authorization & Evaluation Division Applicant: Vertex Standard Co., Ltd. Equipment: VX-2500U FCC ID: K66VX-2500U FCC Rules: Radiofrequency Radiation Exposure Limits 47 CFR 1.1310 MPE - Mobiles Fixed Based Station Gentlemen: On behalf of the Applicant, enclosed please find the Supplemental Test Data Report, the whole for Environmental Assessment (MPE) of the referenced equipment as shown. We trust the same is in order. Should you need any further information, kindly contact the writer who is authorized to act as agent. Sincerely yours, Morton Flom, P. Eng. enclosure(s) cc: Applicant MF/cvr FCC ID: K66VX-2500U MFA p01a0008, d01b0025 ENVIRONMENTAL ASSESSMENT for MOBILES/FIXED BASE STATION for FCC ID: FCC ID: K66VX-2500U Model:VX-2500U to FEDERAL COMMUNICATIONS COMMISSION 47 CFR 1.1310 (MPE) Radiofrequency Radiation Exposure Limits DATE OF REPORT: November 7, 2001 ON THE BEHALF OF THE APPLICANT: Vertex Standard Co., Ltd. AT THE REQUEST OF: P.O. UPS Oct 31, 2001 Vertex Standard USA Inc. 17210 Edwards Rd. Cerritos, CA 90703 Attention of: Mikio Maruya, Executive Vice President (800) 255-9237; FAX: (800) 477-9237 (562) 404-2700, x280; FAX: -1210 [email protected] SUPERVISED BY: Morton Flom, P. Eng. FCC ID: K66VX-2500U MFA p01a0008, d01b0025 TABLE OF CONTENTS RULE DESCRIPTION PAGE . Test Report 1 . Identification of the Equipment Under Test 2 . Standard Test Conditions and Engineering Practices 4 1.1310 Environmental Assessment 5 FCC ID: K66VX-2500U MFA p01a0008, d01b0025 PAGE NO. 1 of 9. Required information per ISO/IEC Guide 25-1990, paragraph 13.2: a) TEST REPORT (SUPPLEMENTAL) b) Laboratory: (FCC: 31040/SIT) (Canada: IC 2044) M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, AZ 85225 c) Report Number: d01b0025 d) Client: Vertex Standard USA Inc. 17210 Edwards Rd. Cerritos, CA 90703 e) Identification: VX-2500U FCC ID: K66VX-2500U Description: UHF FM Mobile Transceiver f) EUT Condition: Not required unless specified in individual tests. g) Report Date: November 7, 2001 EUT Received: October 31, 2001 h, j, k): As indicated in individual tests. i) Sampling method: No sampling procedure used. l) Uncertainty: In accordance with MFA internal quality manual. m) Supervised by: Morton Flom, P. Eng. n) Results: The results presented in this report relate only to the item tested. o) Reproduction: This report must not be reproduced, except in full, without written permission from this laboratory. FCC ID: K66VX-2500U MFA p01a0008, d01b0025 PAGE NO. 2 of 9. IDENTIFICATION OF THE EQUIPMENT UNDER TEST (EUT) NAME AND ADDRESS OF APPLICANT: Vertex Standard Co., Ltd. 4-8-8 Nakameguro, Meguro-Ku Tokyo 153-8644 Japan MANUFACTURER: Applicant FCC ID: K66VX-2500U MODEL NO: VX-2500U DESCRIPTION: UHF FM Mobile Transceiver TYPE OF EMISSION: 16K0F3E, 11K0F3E FREQUENCY RANGE, MHz: 450 to 490 POWER RATING, Watts: 5 to 25 Switchable x Variable N/A MODULATION: AMPS TDMA CDMA x OTHER ANTENNA : HELICAL MONOPOLE WHIP x OTHER NOTE: For RF Safety test antenna gain taken at the upper range of expected gain (i.e. 0 dBd) and RF Power set to highest nominal power across all channels. FCC ID: K66VX-2500U MFA p01a0008, d01b0025 PAGE NO. 3 of 9. M. Flom Associates, Inc. is accredited by the American Association for Laboratory Association (A2LA) as shown in the scope below. "This laboratory is accredited by the American Association for Laboratory Accreditation (A2LA) and the results shown in this report have been determined in accordance with the laboratory's terms of accreditation unless stated otherwise in the report." Should this report contain any data for tests for which we are not accredited, or which have been undertaken by a subcontractor that is not A2LA accredited, such data would not covered by this laboratory's A2LA accreditation. FCC ID: K66VX-2500U MFA p01a0008, d01b0025 PAGE NO. 4 of 9. STANDARD TEST CONDITIONS and ENGINEERING PRACTICES Except as noted herein, the following conditions and procedures were observed during the testing: In accordance with ANSI C63.4-1992/2000, section 6.1.9, and unless otherwise indicated in the specific measurement results, the ambient temperature of the actual EUT was maintained within the range of 10
to 40
C (50
to 104
F) unless the particular equipment requirements specify testing over a different temperature range. Also, unless otherwise indicated, the humidity levels were in the range of 10% to 90% relative humidity. Prior to testing, the EUT was tuned up in accordance with the manufacturer's alignment procedures. All external gain controls were maintained at the position of maximum and/or optimum gain throughout the testing. Measurement results, unless otherwise noted, are worst case measurements. FCC ID: K66V…

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FCC ID: K66VX-2500U MFA p01a0008, d01b0023 Date: November 7, 2001 Federal Communications Commission Via: Electronic Filing Attention: Authorization & Eva…

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