QL2FRSKP3X14 CH FRS TRANSCEIVER - TRANSMITTER

Congratulations on your selection of a quality XACT product. With proper care and adherence to the set-up and user instructions in this Owner’s Manual, this unit will provide you with years of trouble-free service. XACT is committed to providing quality products that fit your needs. We would like to have any comments or suggestions you might have on this product. You may mail your comments to: U.S. Electronics 105 Madison Avenue New York, NY 10016 The KP3X is the newest generation in personal two-way communications. The KP3X is a lightweight, compact two-way communication device that can be used to communicate with family or friends at parks, shopping malls, sporting events, concerts – any indoor or outdoor activity. Here are some of the features of this new two-way communicator: • Wrist Watch Style with Adjustable Band • Changeable Front Cover • 14 FRS Channels • Up to 1.5 Mile Range • Auto Squelch • Auto Battery Saving • Internal VOX • Channel Scan • 12 Hour AM/PM Time Clock • Backlit LCD Display on Communicator Mode • Lithium Ion Battery Power Source Please read this Owner’s Manual carefully to get the most out of your TWO-WAY COMMUNICATOR. NOTE: The maximum range will vary depending on terrain and environment. Range will be greater in open fields. While range is shorter within and around buildings or large structures. This unit may not ensure privacy of communication. Safety Information : Your wireless hand-held portable transceiver contains a low power transmitter. When the Push-to-Talk (PTT) key is pushed it sends out Communicator frequency (RF) signals. This devise is authorized to operate at a duty factor not to exceed 50%. In August 1996, The Federal Communications Commission (FCC) adopted RF exposure guidelines with safety levels for hand-held wireless devices. Important Note: To maintain compliance with the FCC’s RF exposure guidelines, hold the transmitter and ANTENNA at least 1 inch (2.5 centimeters) from your face and speak in a normal voice, with the antenna pointed away from the face. If you wear the handset on your body while using the headset accessory, use only the manufacturer’s supplied BELT CLIP for this product and ensure that the ANTENNA is at least 1 inch (2.5 centimeters) from your body when transmitting. Use only supplied ANTENNA. Unauthorized antennas, modifications, or attachments could damage the transmitter and may violate FCC regulations. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FEATURES FCC NOTICE 1. Channel Number (1~14) – Shows the current channel 2. Transmit Indicator (TX) – Indicates when the unit is transmitting 3. Receive Indicator (RX) – Indicates when the unit is receiving a transmission 4. Volume Selection (8 Bars) – Shows the current volume setting 5. Call Tone Transmission (CALL) – Indicates when the unit is paging 6. Low Battery Level indicator - Indicates when battery level is low or during charging the battery 7. VOX – Indicates when unit is in VOX mode 8. 12 Hour Time Clock (12:00) 9. Power / Menu (Multi Function) – Press and hold to turn the Communicator ON/OFF. Momentary press will enter the Menu and Clock setting. 10. PTT / Call (Multi Function) – Press and hold to transmit voice communication. Press twice in rapid action to transmit call tone. 11. Up – Used to adjust volume level (default), change channel and clock setting (in Menu) 12. Down – Used to adjust volume level (default), change channel and clock setting (in Menu) 13. Scan – Press to enter Channel Scan. 14. MIC – Built-in microphone 15. Speaker – Built-in speaker 16. Antenna DISPLAYS KEYS and CONTROLS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 9 10 To attach and detach the strap from the unit, do the following: 1. Adjust the strap according to your preference by inserting the Metal Studs of the strap to the appropriate hole. 2. Detach the strap from the Communicator by pressing the Lock Button found at the top of the unit. 3. Attach the strap to the unit by simply inserting the end of the strap into the slot until it locks (clicks). Your KP3X Communicator uses Lithium-Ion Battery (included) to power. To install the battery: 1. Release the Battery Compartment Cover Latch located on the rear side of the unit, and remove the Battery Compartment Cover from the Battery Compartment. 2. Install the Lithium-Ion Battery into the Battery Compartment. Be certain to follow the correct battery orientation in the compartment. Installing the batteries incorrectly will prevent the unit from operating. 3. Replace the Battery Compartment Cover and lock the Battery Compartment Cover Latch into position. BATTERY INSTALLATION CAUTION: To reduce the risk of fire or personal injury, use only the battery listed in the instruction book. The KP3X has a built in Power Saver feature for maximum battery life. But when the KP3X is not being used, conserve battery power by pressing the Power Key to OFF. Remove the battery if the unit will not be used for a long period of time. ! Battery Compartment Cover Latch Battery Compartment Cover ATTACHING/DETACHING THE STRAP Lock Button In Watch and Communicator Mode the Low Battery Level icon will not appear on the display unless the unit detects that the battery is low. The unit has a Low Battery Level icon which will blink when it detects a low battery level in Communicator Mode, and in Watch Mode. When the unit is in Communicator Mode and the battery level is low the icon will blink for approximately Five (5) minutes and then will automatically change to Watch Mode. You should recharge the battery at this time, when the unit is in Watch Mode unit will turn completely off (the screen will go blank) after 1 hour if the battery has not been recharged, the unit will not operate until the battery has been charged. When the screen is blank this in…

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KP3X TECHNICAL DESCRIPTION Page 1 May 16, 2003 A). GENERAL DESCRIPTION The KP3X radio is a self-contained transceiver unit with integral antenna intended for use as a general communication tool. It is designed to operate on all 14 channels allocated by the FCC. The useable range, while dependent upon terrain and other radio propagation principles, is typically five miles. The KP3X uses the maximum transmit power allowed to help ensure the maximum communication range. Features include: 14 Channels, Digital Receive Volume Control, Page and LCD Display. The unit is equipped with an external Headset option connector. 1 Lithium Ion battery that are readily available in X-link retail outlets supply operating power. An automatic power savings feature allows the typical standby battery life to extend to more than 10 days. B). FREQUENCY DETERMINING CIRCUITS The fundamental frequency for both the transmitter and the receiver local oscillators are controlled by a phase lock loop (PLL) circuit Combo1 (Panasonic An6311 or equipvalent). The frequency of operation of the radio voltage controlled oscillator (VCO), composed of Q301 and Q302 operating in cascade is phase locked to a voltage controlled crystal reference (VCXO) operating at 20.95MHz (X202). The VCO is locked to the fundamental of the transmit signal in the transmit mode and is locked to the receive 1 st LO (Fundamental channel frequency minus 21.4MHz) in the receive mode. The crystal reference frequency is shared with the 2 nd LO of 20.95MHz. C). TRANSMITTER CIRCUITS The transmitter amplifies the 0 dBm signal from the VCO to approximately 27 dBm that is fed to the antenna. The transmitter is a three stage amplifier composed of Q1,2,3,4 and Q11. The first two stages are operated class A and the final is operated class B in full saturation to help prevent unwanted amplitude modulation. The fundamental transmit signal is fed through an elliptical low pass filter (5-pole, 2 zero) in order to suppress the harmonics to below –60 dBc. The desired frequency modulation of the carrier is accomplished by modulating the current in the VCO directly with the microphone audio signal. The microphone audio is conditioned with a three-pole high pass filter at 300 Hz (Combo1, Mic Amp.), a hard clipper circuit (Combo1) to limit maximum deviation to +/- 2.5 kHz and a three-pole low pass or splatter filter at 2.8 kHz (Combo1, SP amp.). The low pass filter insures that the occupied bandwidth of the FM modulated signal meets FCC requirements under all input conditions. KP3X TECHNICAL DESCRIPTION Page 2 D). RECEIVER CIRCUITS The received signal from the antenna is band limited to 600 Mhz by the transmitter harmonic filter. The desired signal is fed to a low noise amplifier (LNA – Q6) centered from 460 to 470 MHz that provides approximately 10 dB of gain. The output of the LNA is filtered with a Band Pass filter (C41,L16,C43,L17,C15,L36) with pass-band of 460 to 470 MHz and stopband attenuation of 10 dB. The filtered receive signal is one input to the 1 st mixer (Q8), the other mixer input (1 st LO) is the output of the VCO at the desired channel frequency minus 21.4MHz. The output of the mixer is tuned to the 1 st IF of 21.4 MHz. The 1 st IF is transformer coupled for impedance matching to a X-tal filter centered at 21.4MHz with a bandwidth of 3.75KHz. The filtered 1 st IF is then amplified by Combo1 and fed to the 2 nd mixer. The 2 nd LO (20.95 MHz) is generated by VCXO that is the reference frequency for the PLL of Combo1. The 2 nd mixer output of 450 kHz is filtered through a 4 section ceramic filter that in combination with the 21.4 MHz X-tal filter provides approximately 50 dB of adjacent channel attenuation. The 450 kHz 2 nd IF is then amplified, limited and fed to a quadrature detector for FM demodulation. The resulting audio output signal is highpass filtered from 300 (Combo1) and amplified to provide 200mW of audio power (IC2). A squelch circuit is provided (Combo1 pins 29 through 30) to mute the receiver noise under low signal conditions. The squelch circuit amplifies and detects noise in a narrow bandwidth at approximately 5 kHz. When the detected noise exceeds a threshold set to trigger at approximately 12 dB SINAD receive signal strength, the audio output is muted. E). TRANSMIT/RECEIVE SWITCH When the radio is in the transmit mode, pin diode switches D1 and D2 are both turned on (representing less than 0.7 ohms). D2 allows the transmit signal to pass to the antenna and D1 shorts one leg of a T matching network (L3, L15 and C4) to ground in the receive path. This results in a parallel tuned circuit high impedance being presented to the transmit signal so that the receive path does not load the transmit signal. In the receive mode, both D1 and D2 are off, resulting in the antenna signal being coupled into the receive LNA through the 50 ohm T matching network and the unwanted load of the transmit final amplifier is reduced to less than 1 pF by D1. F). RADIO CONTROL CIRCUIT A microprocessor (U1) is used to control the transceiver. User stimuli is provided through a tack switch for PTT (push to talk), along with the keypad for channel selection, receive volume, and page. Pressing the PTT switch instructs U1 to switch to the transmit mode. This is accomplished by loading the proper channel counter information through a 3-wire serial link to the PLL of Combo1, turning on power to the PLL and VCO, microphone and transmit audio circuits and the transmit RF amplifiers. Pressing the call switch causes the microcontroller to transmit a warbling tone for approximately 5 seconds on the current channel selected that is used to notify another person with GMRS KP3X TECHNICAL DESCRIPTION Page 3 radio that you wish to communicate. Pressing the channel Up/Down buttons (active in receive mode only) instructs U1 to increment or decrement respectively the channel frequency by one channel from the channel previously selected. In receive mode the microcontroller periodically s…

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TRANSMITTER ALIGNMENT METHOD X3C/KP3X 1. Frequency Setting A. Connect a frequency counter or communications service monitor capable of at least five watt RF. B. Press the PTT switch. C. Adjust CT201 trimmer capacitor such that the output frequency is equal to the channel frequency with a maximum error of +/- 200 Hz. CT201 is located the inside of LCD diffuser. 2. Output Power Alignment A. Connect a communications service monitor or a wattmeter and dummy load to the antenna connector. B. Press the PTT switch. C.Adjust air coil (L6) by spreading or de-spreading, to achieve maximum power, not to exceed 0.1W. Note: Normally, it is not necessary. 3. Deviation Adjustment A. Connect an audio generator with 10uF coupling capacitor to the microphone jack. The audio frequency should be set at 1KHz with a level of 200mV. B. Connect an FM deviation meter or communications service monitor to the antenna connector. Set the monitor to read peak deviation. C. Press the PTT switch. D. Adjust RV2 for +/- 2.3KHz deviation. RV2 is located the inside of LCD diffuser. G

SEMICONDUCTOR DESIGNATIONS AND FUNCTIONS KP3X Designator Reference number Description COMBO1 AN6311 One chip IC (include PLL, IF, Audio amplifier) D1 KDS114 RX,TX RF Switch D2 KDS114 RX,TX RF Switch D201 KDS114 Reset for CPU D25 KDS113 Charging path D301 KDS114 VCO RX TX switch D4 KDS112 VCO B+ supply IC2 UTC34119 Speaker Amplifier IC3 XC6201B302MR 3V Regulator LED1 SML210MT Backlit LED for LCD U1 W541C250 CPU Q1 BFQ67W TX PA Q2 BFQ67W TX PA Q3 BFQ67W TX PA Q4 BFQ67W TX driver Q5 KRC404E Voltage control for low battery Q6 2SC4226 RX Frontend Q7 KTA2014E PTT switch Q8 2SC4226 I’st Mixer Q9 KRA304E Voltage control for low battery Q10 KRA306E RX B+ Q11 2SC4083 TX pre-driver Q12 KRC404E Charger detector Q13 KRA306E TX B+ Q14 KRA306E Charger Enable Q15 KRC404E VOX switch Q16 KRA226S Speaker Amplifier B+ Q17 KRC404E Charger enable Q18 KRA226S Main B+ switch Q19 KRC405E VCO RX/TX Switch Q301 2SC4083 VCO Q302 2SC4083 VCO

APPLICANT: GLOBAL LINK CORPORATION LIMITED FCC ID: QL2FRSKP3X REPORT #: G/GlobalLink_QL2\753AKT3\753AKT3TestReport.doc TABLE OF CONTENTS LIST TABLE OF CONTENTS LIST APPLICANT: GLOBAL LINK CORPORATION LIMITED FCC ID: QL2FRSKP3X TEST REPORT: PAGE 1......GENERAL INFORMATION & TECHNICAL DESCRIPTION PAGE 2-3....TECHNICAL DESCRIPTION & RF POWER OUTPUT PAGE 4......MODULATION CHARACTERISTICS AUDIO FREQUENCY RESPONSE PLOT PAGE 5......MODULATION LIMITING PLOT – 300 Hz MODULATION LIMITING PLOT – 1000 Hz PAGE 6......MODULATION LIMITING PLOT – 2500 Hz AUDIO LOW PASS FILTER PLOT PAGE 7......OCCUPIED BANDWIDTH PAGE 8......OCCUPIED BANDWIDTH PLOT PAGE 9......FIELD STRENGTH OF SPURIOUS EMISSIONS PAGE 10.....METHOD OF MEASURING RADIATED SPURIOUS EMISSIONS PAGE 11.....FREQUENCY STABILITY PAGE 12-15..LIST OF TEST EQUIPMENT EXHIBITS CONTAINING: EXHIBIT 1.........LABEL SAMPLE & LOCATION EXHIBIT 2.........EXTERNAL PHOTOGRAPHS EXHIBIT 3.........INTERNAL PHOTOGRAPHS EXHIBIT 4.........BLOCK DIAGRAM EXHIBIT 5.........SCHEMATIC EXHIBIT 6.........USER'S MANUAL EXHIBIT 7.........CIRCUIT DESCRIPTION EXHIBIT 8.........TUNING PROCEDURE EXHIBIT 9.........PARTS LIST EXHIBIT 10........TEST SET UP PROCEDURE APPLICANT: GLOBAL LINK CORPORATION LIMITED FCC ID: QL2FRSKP3X REPORT #: G/GlobalLink_QL2\753AKT3\753AKT3TestReport.doc Page 1 of 15 GENERAL_INFORMATION_REQUIRED FOR_TYPE_ACCEPTANCE 2.1033(c)(1)(2)GLOBAL LINK CORPORATION LIMITEDwill manufacture the FCCID: QL2FRSKP3X FAMILY TRANSCEIVER in quantity, for use under FCC RULES PART 95. The UUT is a PTT Radio with a maximum duty cycle of 50%. GLOBAL LINK CORPORATION LIMITED ROOM 13B, CHINA MINMETALS TOWER 79 CHATHAM ROAD SOUTH TSIM SHA TSUI, KOWLOON HONG KONG 2.1033 (c) TECHNICAL_DESCRIPTION 2.1033(c)(3) Instruction book. A draft copy of the instruction manual is included as EXHIBIT #6. 2.1033(c) (4) Type of Emission: 11K0F3E 95.631 Bn = 2M + 2DK M = 3000 D = 2500 Bn = 2(3000)+2(2500) = 11.0K Authorized Bandwidth 12.5 kHz 2.1033(c)(5) Frequency Range: 1. 462.5625 8. 467.5625 95.627 2. 462.5875 9. 467.5875 3. 462.6125 10. 467.6125 4. 462.6375 11. 467.6375 5. 462.6625 12. 467.6625 6. 462.6875 13. 467.6875 7. 462.7125 14. 467.7125 MHz APPLICANT: GLOBAL LINK CORPORATION LIMITED FCC ID: QL2FRSKP3X REPORT #: G/GlobalLink_QL2\753AKT3\753AKT3TestReport.doc Page 2 of 15 2.1033(c)(6)(7) RF power output. 2.1046(a) RF power is measured by the substitution method as Outlined in TIA/EIA – 603. With a nominal battery voltage of 3.7V, and the transmitter properly adjusted, the RF output measures: 0.15 Watts ERP Equipment placed 80 cm above ground on a rotatable platform. 95.647 The antenna is an integral part to the unit, it cannot be removed without rendering the unit inoperative. In order to remove the antenna the case must unscrewed, then the PCB assemblies must be removed then the antenna can be removed. 2.1033(c)(8) DC Voltages and Current into Final Amplifier: FINAL AMPLIFIER ONLY FOR INPUT POWER: (3.7V)(.204A) = 0.76 Watts 2.1033(c)(9) Tune-up procedure. The tune-up procedure is included in EXHIBIT #8. 2.1033(c)(10) Complete Circuit Diagrams: The circuit diagram is included as EXHIBIT 5 of this report. The block diagram is included as EXHIBIT 4 of this report. APPLICANT: GLOBAL LINK CORPORATION LIMITED FCC ID: QL2FRSKP3X REPORT #: G/GlobalLink_QL2\753AKT3\753AKT3TestReport.doc Page 3 of 15 2.1033(c)(11) A photograph or a drawing of the equipment label is included as EXHIBIT 1. 2.1033(c)(12) Photographs(8"X10") of the equipment of sufficient clarity to reveal equipment construction and layout, including meters, labels for controls, including any view under shields - See EXHIBITS 2-3. 2.1033(c)(13) Digital modulation is not allowed. 2.1033(c)(14) The data required by 2.1046 through 2.1057 is submitted below. APPLICANT: GLOBAL LINK CORPORATION LIMITED FCC ID: QL2FRSKP3X REPORT #: G/GlobalLink_QL2\753AKT3\753AKT3TestReport.doc Page 4 of 15 2.1047(a)(b) Modulation characteristics: AUDIO FREQUENCY RESPONSE The audio frequency response was measured in ac- cordance with TIA/EIA Specification 603. The audio frequency response curve is shown below. The audio signal was fed into a dummy microphone circuit and into the microphone connector. The input required to produce 30 percent modulation level was measured. AUDIO FREQUENCY RESPONSE GRAPH Audio Response -12 -10 -8 -6 -4 -2 0 2 4 6 100100010000 frequency dBr Series1 APPLICANT: GLOBAL LINK CORPORATION LIMITED FCC ID: QL2FRSKP3X REPORT #: G/GlobalLink_QL2\753AKT3\753AKT3TestReport.doc Page 5 of 15 2.1047(b) Audio input versus modulation The audio input level needed for a particular per- percentage of modulation was measured in accor- dance with TIA/EIA Specification 603. The audio input curves versus modulation are shown below Curves are provided for audio input frequencies of 300, 1000, and 2500 Hz. MODULATION LIMITING GRAPH – 300 Hz 0 0.5 1 1.5 2 2.5 3 -90-80-70-60-50-40-30-20-10010 dBm Deviation MODULATION LIMITING GRAPH – 1000 Hz APPLICANT: GLOBAL LINK CORPORATION LIMITED FCC ID: QL2FRSKP3X REPORT #: G/GlobalLink_QL2\753AKT3\753AKT3TestReport.doc Page 6 of 15 0 0.5 1 1.5 2 2.5 -90-80-70-60-50-40-30-20-10010 dBm Deviation MODULATION LIMITING PLOT – 2500 Hz 0 0.5 1 1.5 2 2.5 -90-80-70-60-50-40-30-20-10010 dBm Deviation 95.637(b) Post Limiter Filter The filter must be between the modulation limiter and the modulated stage. At any frequency between 3 & 20 kHz the filter must have an attenuation of 60log (f/3) greater that the attenuation at 1KHz. See the plot below. APPLICANT: GLOBAL LINK CORPORATION LIMITED FCC ID: QL2FRSKP3X REPORT #: G/GlobalLink_QL2\753AKT3\753AKT3TestReport.doc Page 7 of 15 2.1049(c) EMISSION BANDWIDTH: 95.633(c) Data in the plots shows that the sidebands from greater than 50% to 100% of the authorized bandwidth must be attenuated by at least 25 dB and from 100 to 250% the sidebands must be attenuated by at least 35 dB. Beyond 250% the sidebands must be attenuated by at least 43+log10(TP). The transmitter was modulated with 250…

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