MMA700671CNON-BROADCAST TRANSMITTER

User’s Guide Titan™ Series 120/320 Channel VHF-Low Band Mobile 120/320 Channel VHF-High Band Mobile 120/320 Channel UHF-High Band Mobile www.midlandradio.com Titan™ Mobile User’s Guide 2 © 2005, Midland Radio Corporation FCC RF EXPOSURE COMPLIANCE REQUIREMENTS FOR OCCUPATIONAL USE ONLY The FCC has adopted a safety standard for human exposure to RF energy. Proper operation of this radio under normal conditions results in user exposure to RF energy below the Occupational Safety and Health Act and Federal Communication Commission limits. Mandatory Safety Instructions to Installers and Users: This radio is NOT approved for use by the general population in an uncontrolled environment. This radio is restricted to occupational use and work related operations only. Radio operators must have the knowledge to control their exposure conditions and the exposure conditions of bystanders and/or passengers to satisfy the lower exposure limit allowed for General Population. To comply with FCC RF exposure limits, DO NOT operate the transmitter of this mobile radio when a person outside the vehicle is within 38 inches (1 meter) of the antenna for mid-power radios, or 78 inches (2 meters) of the antenna for high power radios. The antenna supplied by the manufacturer or radio dealer must be mounted at a location such that during radio transmission, no person or persons can come closer than the above indicated minimum safe distance to the antenna, i.e. 38 inches. To comply with current FCC RF exposure limits, the antenna must be installed at or exceeding the minimum safe distance stated above, and in accordance with the requirements of the antenna manufacturer or supplier. Vehicle Installation Instructions: The antenna used for this transmitter must be mounted on the center of the roof ONLY and must be installed in vehicle having the following characteristics in order to prevent bystanders and passengers from being exposed to levels exceeding the limits for General Population/Uncontrolled Exposure environment: 1. All passengers must be sitting under a solid metal roof. 2. Rooftop width must be at least 76 inches (183 centimeters) OR the edges of the physical boundary of the vehicle must be at least 76 inches apart. DO NOT operate the radio without the proper antenna installed. Do not substitute any antenna for the one supplied or recommended by the manufacturer or radio dealer. The antenna gain must not exceed 0 dBd. By not following the antenna recommendations you may be exposing person(s) to excess radio frequency radiation. You may contact your radio dealer or the manufacturer for further instructions. DO NOT transmit more than 50% of total radio use time (50% duty cycle). Transmitting for more than 50% of the time can cause FCC RF exposure compliance requirements to be exceeded. This radio is transmitting whenever the TX icon is displayed on the radio LCD. Pressing the PTT switch on the side of the microphone normally causes the radio to transmit.  The preceding information is provided to make you aware of RF exposure and how to ensure that this radio is operated within FCC RF exposure limits. You, as the qualified end-user of this radio device must control the exposure conditions of bystanders to ensure the minimum separation distance, stated above for satisfying FCC RF exposure compliance, is maintained between the antenna and nearby persons. Transmit only when all person(s) are at least the minimum distance from the properly installed, externally mounted antenna. Titan™ Mobile User’s Guide © 2005, Midland Radio Corporation 3 Contents Contents................................................................................... 3 Conventions and Symbols in this Book ................................... 4 Disclaimer ................................................................................ 4 Safety ....................................................................................... 4 Introduction .............................................................................. 6 Radio Models ....................................................................... 6 Radio Features..................................................................... 7 Recommended Accessories and Options ............................ 8 Radio Controls ......................................................................... 9 Standard LCD Details........................................................... 9 Deluxe LCD Details .............................................................. 9 Standard Control Head......................................................... 9 Standard Control Head....................................................... 10 Deluxe Control Head .......................................................... 10 Setup...................................................................................... 12 Unpacking .......................................................................... 12 Installation .......................................................................... 12 Operation ............................................................................... 13 Turning the Radio On and Off ............................................ 13 Channel Selection .............................................................. 13 Group Selection.................................................................. 13 Receiving Transmissions from Other Radios..................... 13 Transmitting to Other Radios ............................................. 15 Scanning Channels ............................................................ 16 Editing Your Scan List ........................................................ 20 DTMF ANI .......................................................................... 21 Squelch and Other Menu Functions ...................................... 21 Check Code Quick Reference ............................................... 22 Specifications (VHF low band)............................…

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APPLICANT: MIDLAND RADIO CORP. FCC ID: MMA700671C EXTERNAL PHOTOS

APPLICANT: MIDLAND RADIO CORP. FCC ID: MMA700671C INTERNAL PHOTOS PA PCB – TOP VIEW PA PCB – BOTTOMVIEW RF DIGITAL PCB RF DIGITAL PCB – TOP VIEW – SHIELDS REMOVED RF DIGITAL PCB – BOTTOM VIEW

70-0674 Theory of operation The 70-0674 unit is made up of four major sections: the RF Section, the PA Section, and the Logic Section and the Display section. RF SECTION The RF Section consists of a frequency synthesizer, a transmit modulator, a receiver, and receive audio amplifier circuits. SYNTHESIZER Radio frequency signals for transmission and receiver injection are produced by voltage-controlled oscillators (VCO’s) in a Phase-Lock Loop (PLL) configuration. •Voltage Controlled Oscillator In this radio, VCO’s are used -Q706 operates in transmit mode to generate transmit frequencies and receive mode to receive injection frequencies. In each mode, the output of the buffer is amplified by IC703. RF signal at receiver injection frequency ( Fc + 10.7MHz ) is applied from the LO amplifier IC704 and Q717 in the receiver circuit. RF signal from Q708 is amplified further by the PA portion. When the frequency of the VCO output drifts away from the desired value, the loop adjusts the steering voltage to compensate. A single VCO tank can tune across the entire channel spread 8MHz for C Band. Resonance of each VCO tank is voltage-tuned by varactor diodes D701 and D705 respectively. Loop steering voltage applies reverse bias to all these varactor diodes simultaneously. As steering Voltage increases, varactor diode capacitance decreases : thus, net capacitance in each tank decreases, which increases resonant frequency of the tanks. •Loop Dividers The amplitude of the VCO signal from IC705 for TX and RX are sufficient to feed prescaling frequency divider, IC701, which applies an output pulse to once every 64 or 65 input cycles. Additional frequency division is also performed within IC701 to produce 2.5/5.0/6.25KHz. X701 is a temperature-compensated crystal oscillator that produces a reference frequency of exactly 12. 8MHz. The reference frequency is divided by IC701 to produce 2.5/5.0/6.25KHz that is 13. compared to the down-counted 2.5/5.0/6.25KHz sample of VCO output. 1 Normally the loop response is slowed enough by the active filter to block 2.5/5.0/6.25KHz reference noise and prevent loop correction of voice modulation during transmit. Higher active filter rolloff frequency is selected by the microcomputer system on the Logic Board when the radio changes channels or it is keyed and unkeyed, by a logic low applied to the base of Q705. This increase in loop response speeds locking time. A connection from an intermediate point in the phase/frequency comparator in IC701 is made at pin 7. When the loop is out of lock, the down-counted VCO sample is not in phase with the 2.5/5.0/6.25KHz reference and low going pulses appear here, which produce a logic low at pin 7. This logic low is applied to Q710 through Q709 to switch to Q505. Q505 then clamps off bias to transmit PA preamplifier Q501 to prevent emission of erratic signals generated by the uncontrolled VCO. RECEIVER •Preselector Through K501 relay in the PA, RF signals are routed to the receiver input. Signals at Image frequencies and frequencies far removed from the desired channel are rejected by a Preselector comprised of eight top-coupled, parallel tanks: L201, L202, L203, L204, L205, L206, L207 and L208. No tuning of these tanks is required for the entire channel frequency spread. Q201 provides adequate gain to overcome preselector signal losses and maximize receiver sensitivity. •Injection First Local Oscillator signal ( Fc + 10.7MHz ) is synthesized by the phase-lock loop and applied to Q717. No alignment for the first local oscillator signal is required. •First Mixer To maximize intermodulation immunity, a balanced configuration is utilized for the first mixer stage. High injection is applied to L210-primary and preselector output is applied to its secondary center tap. A diode double balanced mixer using quad-diode D202 is employed. High injection is applied to the push-pull input of the mixer. Some of this signal appears at mixer output, but most is lost because L209 is designed to operate at the 10.7 MHz first IF frequency. 2 •First IF Mixer output is applied to Q203. L215 tunes to match the input impedance of the 10.7MHz crystal filter XF201 which reject signals outside the channel bandwidth. L215 and L217 match the input or output of XF201. Q204 amplifies the first IF signal at least 20dB, and it is coupled to second IF IC201. • IF IC201 contains all second IF circuitry, a quadrature demodulator, and a threshold gate. X201 and circuitry in IC201 generate second LO injection of 10.245MHz. A double-balanced mixer, that cancels both input signals internally is utilized so that additional tuned circuits at its output are not needed. Mixer output signal of 455kHz ( IC201 pin3 ) is bandpass filtered further by CF201 and CF202 then superamplified ( 100 + dB ) by the second IF amplifier/limiter within IC201 ( pin 5 ). •Demodulation The quadrature detector in IC201 is another double-balanced mixer to which limiter output is applied. Its second input is taken from 455kHz tank CD201, which is also fed with limiter output ( IC201 pin10 ). Frequency deviation from carrier center will cause phase difference between the two demodulator inputs, which produces output. Preamplified recovered audio appears at demodulator output pin 9. •Audio Recovered audio from IC201 is routed to audio processor IC401. IC401 controls the amplification level. The control voltage is fed via the external volume on the control unit. Output of the gain control IC401 is applied to the Audio amplifier IC202. Audio amplifier IC202 amplifies the audio signal and drives the speaker. •Squelch Audio signals at low pass filter are routed through Squelch Range RV201, which calibrates squelch-break level when squelch level is maximum (80). Signals is amplified and rectified by IC201 to produce a DC voltage that varies inversely with received RF carrier level. The DC voltage is input of a level detector IC408 and detector output is Q405 an open collector that sinks voltage to logic low…

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1 70-0674 ACTIVE SEMICONDUCTORS (1/3) SYMBOL TYPE FUNCTION Q201 2SC3357 RF Amp Q203 2SK508K52 IF Amp Q204 2SK360E IF Amp Q205 RT1N241C Switch Q206 RT1N241C Switch Q207 IMD3 Switch IC201 TA31136FN FM.I.F. IC202 TDA1519A Audio Amplifier IC203 HA178L05UA 5V Regulator Q301 RT1N241C Switch Q302 2SC2462C Switch Q303 2SD1421ED Switch Q304 RT1N241C Switch IC301 HA178L05UA 5V Regulator IC302 M38203M4 Micro Computer IC303 XC61AC4102 Reset Switch IC306 HD74HC367FP Bus Drivers Q401 2SC2462C Buffer Amplifier Q402 2SC2462C Switch Q403 2SC2462C Switch Q404 RT1N241C Switch Q405 RT1N241C Switch Q406 UMH1N Switch Q407 UMH1N Switch Q408 RT1N241C Switch IC401 AK2368 Audio Processor IC402 BA3308F MIC Amplifier IC403 MF6CWMX Operational Amplifier IC404 BA14741F Operational Amplifier IC405 BA14741F Operational Amplifier 2 70-0674 ACTIVE SEMICONDUCTORS (2/3) SYMBOL TYPE FUNCTION IC406 HD14053BFP Analog Switch IC407 BU4066BCFV Analog Switch IC408 BA728F Buffer Amplifier IC409 BA728F Buffer Amplifier IC410 SC14S66F Analog Switch IC411 SC14S66F Analog Switch IC412 TC4W53FU Analog Switch IC413 TC4W53FU Analog Switch IC415 BA728F Operational Amplifier Q501 RD00HVS1 Power Amp Q502 RD16HHF1 Power Amp Q503 RD70HHF1 Power Amp Q504 RD70HHF1 Power Amp Q505 2SC2462C Switch Q507 2SB945Q APC Q509 2SC2462C APC IC501 BA728F Operational Amplifier Q701 2SA1121C Charge Pump Q702 2SC2462C Charge Pump Q703 2SA1121C Charge Pump Q704 2SC2462C Charge Pump Q705 RT1N241C Switch Q706 2SK508K52 VCO Q707 2SC3356 Pre Amp Q708 2SC3357 Pre Amp Q709 2SA1576A Switch Q710 UMH1N Switch Q713 UMB10N Switch Q714 UMH1N Switch Q715 2SB1197K Switch Q716 2SD596DV3 Filter Q717 2SC3357 Local Amp 3 70-0674 ACTIVE SEMICONDUCTORS (3/3) SYMBOL TYPE FUNCTION IC701 MB1504PF Synthesizer IC702 BU4066BCFV Analog Switch IC703 μPC1675G Operational Amplifier IC704 μPC1675G Operational Amplifier IC705 μPC1675G Operational Amplifier Q801 2SK508K52 Switch Q802 2SK508K52 Switch Q803 3SK151GR Buffer Amplifier Q804 2SC2462C Buffer Amplifier Q805 2SA1121C Multi Vibrator Q806 2SA1121C Multi Vibrator Q807 2SC2462C Buffer Amplifier Q808 2SA1121C Buffer Amplifier Q809 2SA1121C Rectifier Amplifier Q810 2SA1121C Rectifier Amplifier Q811 2SC2462C Rectifier Amplifier Q812 RT1N241C Switch IC801 MC1350D AGC Amplifier Q901 2SC2462C Switch Q902 RT1N241C Switch Q903 2SJ246S Switch Q904 RT1N241C Switch Q905 RT1N241C Switch IC901 M38077M8 Micro Computer IC902 AT24C32N E2PROM IC904 NJM7808DLA 8V Regulator IC905 HA178L05UA 5V Regulator IC906 RH5VL45AA 5V Regulator IC907 XC61AC4102MR Reset Switch IC910 RH5RL50AA 5V Regulator

1 70-0674C Alignment Procedure SETUP 1 Remove the six securing screws from the bottom cover , and the cover itself. 2 Connect a resistive 50 : RF load and wattmeter to Antenna Connector J502. 3 Connect 13.4V DC power to transceiver J505. 4 Connect a 3.2 :, 20W resistor to pins 4 and 6 of the Accessory Plug. The jumper between pins 5 and 6 must be temporarily removed to make this connection. The resistor serves as a constant load to replace the speaker’s inconsistencies. CAUTION: Both speaker terminals are LIVE. Never ground either one. Connect grounded receive-audio measuring-equipment to only one side of the speaker, and chassis ground. Normally, voltage measurement will be half of true values. 5 Turn the radio on (Push on and Push off switch), set the VOLUME control to a mid-position. Connect the Programmer to Programming Port Mic Jack J302. Upload the radio programming Data-Packet into the Programmer and initiate its Remote Control Mode. Refer to the appropriate manual for details. SYNTHESIZER ALIGNMENT xVCO Resonance 1 Select the Remote Control Mode of the Programmer and enter the following test frequencies: C-Band RX Frequency 42.00 MHz TX Frequency 42.00 MHz 2 Adjust Channel RX Tank L713 for 1.5V DC at VC (VCO Steering) . 3 Active transmit mode (using the programmer ) and adjust TX Tank L702 for 1.5V DC at VC (VCO Steering) . 2 xReference Oscillator 4 Initiate transmit on any channel. Measure transmitted RF carrier frequency without modulation and, if necessary, adjust REFERENCE OSCILLATOR X701 for carrier frequency to within r30Hz of channel frequency. 110W PA MODULE ALIGNMENT The 70-0674C should be adjusted to have a 8 MHz channel spread at 110W. To do so : 1 Remove the four screws on the PA cover. 2 Remove a cable from J501. 3 Adjust RV501 and RV502 counter-clockwise just until stop. 4 Activate transmit mode, measure current. 5 Adjust RV501 clockwise just until currents increase 0.5A. 6 Adjust RV502 clockwise just until currents increase 0.5A more. 7 Stop transmit mode. Change the TX test frequency to the desired frequency. 8 Connect the removed cable to J501. 9 Activate transmit mode and measure RF power at Antenna connector J502. Set RF output power to 110W at J502 using the programmer. MODULATOR ALIGNMENT xModulation Limiting 1 Disconnect the hand microphone from its front panel Mic Jack J302. Apply 3Vrms of 1000Hz signal to pin 1 of Mic Jack J302, and then initiate transmit. 2 Measure total carrier deviation and, if needed adjust modulation limiting to obtain r5KHz (wide) or r2.5KHz (narrow) using the programmer. 3 xMicrophone Gain 3 No alignment for Microphone gain is required. xCTCSS/DCS 4 Remove the 1KHz audio signal from Mic Jack J302. 5 Add 250.3Hz CTCSS tone to the transmit test by testing frequency using the programmer. 6 Adjust CTCSS deviation to r750 Hz r 10 Hz (wide) or r 375 Hz r 10 Hz (narrow) deviation using the programmer. 7 Change 67.0 Hz CTCSS tone to the transmit test by testing frequency using in the programmer. 8 Adjust RV401 for r750 Hz r 100 Hz (wide) or r 375 Hz r 100 Hz (narrow) deviation. 9 Change the transmit DCS code +023 to the transmit test by testing frequency using the programmer. 10 Adjust RV401 so that modulation waveform from modulation analyzer matches the correct waveform shown in Figure 2-1. 11 Change 250.3 Hz CTCSS tone to the transmit test by testing frequency using the programmer. Carefully adjust RV401 for r 750 Hz r 10 Hz (wide) or r 375 Hz r 10 Hz (narrow) deviation. x DTMF 12 Clear the CTCSS tone, then initiate transmit test by testing frequency using the CORRECT INCORRECT INCORRECT Figure 2-1 Modulation Waveforms 4 programmer. 13 Adjust DTMF deviation to r 2.0KHz r 10 Hz (wide) or r 1KHz r 10 Hz (narrow) deviation using the programmer. RECEIVER ALIGNMENT 1 Change the RX test frequency to 46.0 MHz for C-Band radios. xFirst Injection 2 No adjustment for first injection is required. xPreselector Alignment 3 No adjustment for the preselector (L201, L202, L203, L204, L205, L206, L207,and L208 ) is required. xQuadrature Detector 4 No adjustment for the quadrature is required. xFirst IF 5 Apply enough modulated ( by 1KHz tone at r 3KHz (wide) or r 1.5KHz (narrow) deviation ) on-channel carrier to maintain 12 to 15 dB SINAD. Adjust L215, and L217. x Tight Squelch 6 Squelch level set maximum ( 80 ). by using the front UP / DN switch 7 Apply 0.95 uV of modulated standard deviation on-channel RF signal to the 50 : antenna connector. Adjust Squelch range RV201 counter-clockwise just until squelch opens ( audio on ). 5 L702 L713 L217 L215 X701 VC RV201 RV401 Figure 2-2 Adjustment Map ( TR-055 ) L802 L801 L803 L804 Figure 2-3 Adjustment Map ( PA--X0001 ) RV502 RV501 J501 6 COMPLETE REALIGNMENT Complete realignment is only needed when a component that affects alignment has been replaced. RADIO REPROGRAMMING WITH TEST FREQUENCIES IS REQUIRED. Table 2-1 TEST EQUIPMENT REQUIRED TEST INSTRUMENT INSTRUMENT CAPABILITIES USE Regulated DC Power supply RF Wattmeter RF Load Resistor Frequency Modulation Meter Frequency Meter or Frequency Counter Audio Generator RF Signal Generator Distortion Analyzer Load Resistor ( audio ) AC Voltmeter Oscilloscope Digital Multimeter Programmer 13.4 V DC, 30 A, adjustable voltage 150 W, 30 - 50MHz, 50 ohm circuit 50 ohm, 200 W 30 - 50 MHz, peak- responding, +/- 5KHz range 30 - 50 MHz, 1.0 ppm accuracy 1,000KHz sine-wave 0-4 Vrms output 30 - 50 MHz range, 0.1 - 1 KuV output, 3KHz FM mod. With 1 KHz tone 1 KHz notch, 1% measuring range 3.2 ohms, 20 W 10mV to 10 Vrms DC to 500KHz bandwidth 0.1 to 20 V DC PC Programming Software Radio power source Transmitter power measurements Antenna dummy load Modulation level measurements Carrier frequency measurements Modulation level measurements All receiver measurements Receiver performance test and IF alignment Speaker load for all receiver measurements Audio level adjustments Test point measurements and power supply setup Manual radio control

1 70-0674 VOLTAGE CHARTS(1/6) TRANSISTOR SYMBOL TYPE MODE BASE EMITTER COLLECTOR FUNCTION Q201 2SC3357 RX TX 1.2 2.0 0.5 0 5.8 0 RF Amp Q205 RT1N241C RX TX 0 0 0 0 0 5.4 Switch Q206 RT1N241C RX TX 0 5.4 0 0 12.9 0 Switch Q301 RT1N241C - 4.9 0 0 0 0 4.9 Switch Q302 2SC2462C - 9.3∼11.1 8.8∼10.7 13.1 Switch Q303 2SD1421ED - 8.8∼10.5 8.1∼10.0 13.1 Switch Q304 RT1N241C - 0 0 9.2∼11.1 Switch Q401 2SC2462C RX - 0 - Switch Q402 2SC2462C RX TX 0.6 0.6 0 0 - 4.5 Switch 403 2SC2462C RX TX 0 - 0 0 0 2.9 Switch Q404 DTC124EKA - 0 0 4.9 Switch Q405 DTC124EKA RX STANDBY RX BUSY 3.5 0.7 0 0 0 3.9 Switch Q408 RT1N241C - 5.0 0 0 Switch Q505 2SC2462C RX TX 0 0.7 0 0 13.4 0.2 Switch Q507 2SB945Q RX TX 0 7.3 0 8.0 0 5.9 APC Q509 2SC2462C RX TX 0 0.7 0 0 0 7.3 APC Q701 2SA1121C - - - - Charge Pump Q702 2SC2462C - - - - Charge Pump Q703 2SA1121C - - - - Charge Pump Q704 2SC2462C - - - - Charge Pump Q705 RT1N241C - 3.5 0 0 Switch 2 70-0674 VOLTAGE CHARTS(2/6) TRANSISTOR SYMBOL TYPE MODE BASE EMITTER COLLECTOR FUNCTION Q707 2SC3356 RX TX 0 1.7 0 1.0 0 6.6 Pre Amp Q708 2SC3357 RX TX 0 1.6 0 1.0 0 6.5 Pre Amp Q709 2SA1576A - 4.4 4.8 0 Switch Q715 2SB1197K RX TX 8.0 7.3 8.0 7.9 0 7.9 Filter Q716 2SD596DV3 - 7.9 7.3 8.0 Filter Q717 2SC3357 RX TX 1.4 0 0.7 0 5.4 0 Local Amp Q804 2SC2462C - 0.6 0 6.0 BufferAMP Q805 2SA1121C N/BON N/BOFF 3.8 3.8 4.4 0.6 0.1 0.2 Multi Vibrator Q806 2SA1121C N/BON N/BOFF 7.6 0 4.4 0.6 0.1 0.2 Multi Vibrator Q807 2SC2462C - 0 0 7.6 BufferAMP Q808 2SA1121C - 7.7 7.2 0 BufferAMP Q809 2SA1121C - 6.7 7.2 6.7 Rectifier AMP Q810 2SA1121C - 6.7 7.2 2.6 Rectifier AMP Q811 2SC2462C - 3.0 2.5 7.2 Rectifier AMP Q812 RT1N241C N/BON N/BOFF 0 0 0 0 0 7.6 Switch Q901 2SC2462C - 8.7 8.0 13.5 Switch Q902 RT1N241C POWER OFF POWER ON 0 4.9 0 0 13.5 0 Switch Q904 RT1N241C NARROW RX WIDE RX 0 4.9 0 0 4.9 0 Switch Q905 RT1N241C - 0 0 5.0 Switch 3 70-0674 VOLTAGE CHARTS(3/6) FET SYMBOL TYPE MODE GATE DRAIN SOURCE FUNCTION Q203 2SK508K52 - 0 7.8 0. 6 IF Amp Q204 2SK360E - 7.9 0.6 0 IF Amp Q501 RD00HVS1 RX TX 0 2.7 13.4 12.5 0 0 Power Amp Q502 RD16HHF1 RX TX 0 5.3 13.4 12.5 0 0 Power Amp Q503 RD70HHF1 RX TX 0 4.5 13.4 12.5 0 0 Power Amp Q504 RD70HHF1 RX TX 0 4.5 13.4 12.5 0 0 Power Amp Q706 2SK508K52 RX TX 0 0 4.8 6.3 0.9 0.8 VCO Q801 2SK508K52 - 0 3.3 3.3 Switch Q802 2SK508K52 - 0 3.3 3.3 Switch Q802 3SK151GR - 1:3.02:5.4 7.2 2.8 Buffer Amplifier Q903 2SJ246S POWER OFF POWER ON 13.5 0 0.5 13.5 13.6 13.5 Switch TRANSISTOR PACKS SYMBOL TYPE MODE 1 2 3 4 5 6 Q406 UMH1N RX STANDBY RX BUSY 0 0 5.0 5.0 0 0 0 0 0 3.9 0 0 Q407 UMH1N - 0 0 3.5 0 0 3.5 Q710 UMH1N - 0 0 0 0 2.5 0 Q713 UMB10 N RX TX 7.3 7.3 0 7.3 0 7.2 7.3 7.3 7.9 6.0 0 Q714 UMH1N RX TX 0 0 4.9 0.1 7.9 0 0 0 0.6 5.5 0 7.3 4 70-0674 VOLTAGE CHARTS(4/6) INTEGRATED CIRCUITS, 8 to 16Pins PIN NO. SYMBOL TYPE MODE IC201 TA31136FN - 4.7 4.3 3.5 4.8 4.4 4.4 0.7 0.6 IC202 TDA1519A RX 2.0 0 6.5 6.4 0 6.4 13.4 12.8 IC305 HD14538BFP - - - - - - - - 0 C306 BU4066BCFV MIC PROGRAMER 0 0 5.0 0 0 0 5.0 0 0 5.0 5.0 0 0 0 5.0 0 IC402 BA3308F - 1.9 0 - 0 8 - 1.9 - IC403 MF6CWMX - 2.5 - - - 2.5 4.9 2.5 - IC404 BA14741F - 2.5 2.5 2.4 4.9 2.4 2.5 2.5 2.5 IC405 BA14741F - 2.4 2.5 2.5 4.9 2.5 - - 2.5 IC406 HD14053BFP RX TX 2.5 2.5 2.4 2.4 2.4 0 2.5 2.5 2.5 2.5 0 0 0 0 0 0 IC407 BU4066BCFV NARROW RX NARROW TX WIDE RX WIDE TX 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 - - - - 4.4 0 4.4 0 0 0 0 0 2.5 2.5 2.5 2.5 IC408 BA728F SQ ON SQ OFF 0.7 3.6 0∼1.3 0∼1.3 0∼1.7 0∼1.7 0 0 2.5 2.5 3.6 3.6 3.6 0.7 4.9 4.9 IC409 BA728F - 2.4 2.4 2.4 0 2.4 2.4 2.4 4.9 IC410 SC14S66F - 2.4 0 0 0 4.9 - - - IC411 SC14S66F - 2.4 2.4 0 4.9 4.9 - - - IC412 TC4W53FU - 2.5 0 0 0 0 2.5 2.5 4.9 IC413 TC4W53FU - 2.5 0 0 0 0 2.4 2.5 4.9 5 70-0674 VOLTAGE CHARTS(5/6) INTEGRATED CIRCUITS, 8 to 16Pins PIN NO. SYMBOL TYPE MODE IC701 MB1504PF - 2.1 2.1 4.6 4.6 0.5 0 4.6 3.3 IC702 BU4066BCFV - 1.6 0 0 0 0 0 0 1.6 IC801 MC1350D - 7.3 7.5 0 2.4 3.4 2.4 0 6.8 IC902 AT24C16 - 0 0 0 0 - - - 4.9 PIN NO. SYMBOL TYPE MODE 9 10 11 12 13 14 15 16 IC201 TA31136FN - 1.0 4.8 3.9 - - - - - IC202 TDA1519A RX 2.0 - - - - - - - IC305 HD14538BFP - 5.0 - 5.0 5.0 5.0 5.0 0 5.0 IC306 BU4066BCFV MIC PROGRAMMER 5.0 5.0 5.0 0 5.0 5.0 5.0 0 0 5.0 5.0 5.0 - - IC402 BA3308F - 0 1.8 1.8 - - - - - IC403 MF6CWMX - 0 0 - 0 2.4 - - - IC404 BA14741F - 2.5 2.4 0 2.4 2.5 2.5 - - IC405 BA14741F - 2.5 2.5 0 2.5 2.5 2.5 - - IC406 HD14053BFP RX TX 4.9 0 4.9 0 4.9 0 2.5 2.5 2.4 2.5 2.4 2.5 2.4 2.4 4.9 4.9 IC407 BU4066BCFV NARROW RX NARROW TX WIDE RX WIDE TX 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 0 0 5.0 5.0 4.9 4.9 0 0 4.9 4.9 4.9 4.9 - - - - - - - - IC702 BU4066BCFV - 1.6 7.9 7.9 0 0 7.9 - - 6 70-0674 VOLTAGE CHARTS(6/6) INTEGRATED CIRCUITS, Over 17Pins PIN NO. SYMBOL TYPE MODE IC401 AK2368 RX TX 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.9 2.9 2.4 2.4 0 0 4.9 4.9 PIN NO. SYMBOL TYPE MODE 9 10 11 12 13 14 15 16 IC401 AK2368 RX TX 0 0 4.9 4.9 0 0 5.0 5.0 0 0 0 0 2.5 2.5 4.9 4.9 PIN NO. SYMBOL TYPE MODE 17 18 19 20 21 22 23 24 IC401 AK2368 RX TX 2.5 2.5 2.5 2.5 2.5 2.5 - - - - 2.5 2.5 2.5 2.5 2.5 2.5 INTEGRATED CIRCUITS PIN NO. SYMBOL TYPE MODE 1 2 3 4 IC204 HA178L05UA - 4.9 0 8.0 - IC301 HA178L05UA - 5.0 0 12.2 - IC303 XC61AC4102 - 5.0 0 5 - IC703 μPC1675G - 0 4.3 5.3 1.2 IC704 μPC1675G RX/TX 0/0 3.5/0 4.2/0 1.0/0 IC705 μPC1675G RX/TX 0/0 4.2/4.3 5.3/5.3 1.2/1.2 IC904 NJM7808DLA - 13.3 0 8.0 - IC905 HA178L05UA - 4.9 0 8.0 - IC906 RH5VL45AA - 5.0 6.6 0 - IC907 XC61AC4102MR - 5.0 5.0 0 - IC910 RH5RL50AA - 5.0 7.4 5.0 -

FCC PART 90 TEST REPORT APPLICANT MIDLAND RADIO CORPORATION 5900 PARRETTA DRIVE KANSAS CITY, MO 64120 USA FCC ID MMA700671C MODEL NUMBER 70-0671C/70-0674C PRODUCT DESCRIPTION NON-BROADCAST TRANSMITTER DATE SAMPLE RECEIVED 9/17/07 DATE TESTED 9/26/07 TESTED BY Nam Nguyen APPROVED BY Mario de Aranzeta TIMCO REPORT NO. 3092ZUT7TestReport.doc TEST RESULTS PASS FAIL THE ATTACHED REPORT SHALL NOT BE REPRODUCED EXCEPT IN FULL WITHOUT THE WRITTEN APPROVAL OF TIMCO ENGINEERING, INC. 849 NW STATE ROAD 45 NEWBERRY, FL 32669 USA PH: 888.472.2424 OR 352.472.5500 FAX: 352.472.2030 EMAIL: [email protected] HTTP: //WWW.TIMCOENGR.COM Certificate # 0955-01 Applicant: MIDLAND RADIO CORPORATION FCC ID: MMA700671C Report: W:\M\MidlandRadio_MMA\3092ZUT7\3092ZUT7TestReport.doc Page 2 of 16 TABLE OF CONTENTS STATEMENT OF COMPLIANCE................................................................................. 3 GENERAL INFORMATION .......................................................................................... 4 EQUIPMENT LIST ...................................................................................................... 5 TEST PROCEDURES ................................................................................................. 6 RF POWER OUTPUT .................................................................................................. 7 MODULATION CHARACTERISTICS............................................................................ 8 OTHER MODULATION CHARACTERISTICS ............................................................. 11 OCCUPIED BANDWIDTH ......................................................................................... 12 OCCUPIED BANDWIDTH PLOTS.............................................................................. 13 SPURIOUS EMISSIONS AT ANTENNA TERMINALS (CONDUCTED)........................... 14 FIELD STRENGTH OF SPURIOUS EMISSIONS......................................................... 15 FREQUENCY STABILITY.......................................................................................... 16 Applicant: MIDLAND RADIO CORPORATION FCC ID: MMA700671C Report: W:\M\MidlandRadio_MMA\3092ZUT7\3092ZUT7TestReport.doc Page 3 of 16 STATEMENT OF COMPLIANCE This equipment has been tested in accordance with the standards identified in the referenced test report. To the best of my knowledge and belief, these tests were performed using the measurement procedures described in this report and demonstrate that the equipment complies with the appropriate standards. I attest that the necessary measurements were made by me or under my supervision, at Timco Engineering, Inc. located at 849 N.W. State Road 45, Newberry, Florida 32669 USA. Authorized by: Mario de Aranzeta Signature: Mario de Aranzeta Function: Engineer Date: 11/6/07 Applicant: MIDLAND RADIO CORPORATION FCC ID: MMA700671C Report: W:\M\MidlandRadio_MMA\3092ZUT7\3092ZUT7TestReport.doc Page 4 of 16 GENERAL INFORMATION DUT Specification The test results relate only to the items tested. DUT Description NON-BROADCAST TRANSMITTER FCC ID MMA700671C Model Numbers 70-0671C, 70-0674C Serial Number N/A Operating Frequency 42-50 MHz Modulation FM 110–120Vac/50– 60Hz DC Power DUT Power Source Battery Operated Exclusively Prototype Pre-Production Test Item Production Fixed Mobile Type of Equipment Portable Test Facility Timco Engineering, Inc. 849 NW State Road 45, Newberry, FL 32669 Test Condition The temperature was 26ºC with a relative humidity of 50%. Modification to the DUT None Test Exercise (e.g software description, test signal, etc. The DUT was placed in continuous transmit mode of operation. Applicable Standards ANSI/TIA 603-C ,FCC CFR 47 Part 90 Applicant: MIDLAND RADIO CORPORATION FCC ID: MMA…

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