{tab Overview}

TX3500S DSP Compact UHF radio with ScanSuite

UHF radio powered by digital signal processing for Pure Sound

{tab Features}

• ScanSuite
• Advanced signal management
• Digital signal processing
• Dynamic Volume Control
• Wide/narrowband receive filters
• CTCSS & DCS
• Full spectrum backlighting
• Open and group scan mode
• Selectable priority channel
• Active channel transmit in scan
• Graphic signal strength meter
• Adjustable squelch control
• External speaker socket
• Die-cast chassis
• 5 year warranty

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GENERAL

• Compliant SpecificationMeets AS/NZS 4365 for radio communications equipment in the UHF citizen and personal radio service.
• Frequency Range TX476.425-477.4125 MHz
• Number of Channels 80
• Channel Spacing 12.5 kHz
• Operation Mode Simplex or half Duplex with repeater talk around.
• Scanning Speed 50 ms per channel (20 channels per second).
• Antenna Impedance50 Ohms nominal
• Nominal Battery Voltage 12 volts DC
• Operating Voltage Range 10-16 volts DC
• Battery Polarity Negative Earth
• Standard Test Voltage 13.8 volts DC
• Overvoltage Protection 30 volts DC maximum. At 18 volts DC the channel display flashes ‘Hi DC’ for5 seconds on receive. The RF power is reduced and TX flasheson transmit.
• Reverse Voltage Protection Diode Crowbar
• Overcurrent Protection In-line 2 Amp Fuse
• Operating Temperature -10°C to 60°C

TRANSMITTER

• RF Output 5 watts
• Spurious Emission < - 70 dBc
• Frequency Error < ± 1.5 kHz

Modulation FM

• Maximum Deviation < ± 2.5 kHz at 20 dB limiting
• Transmit Frequency Response 6 dB per octave 300 Hz to3 kHz 1-3 dB
• Demodulated Audio Signal to Noise > 45 dB unweighted
• Current Consumption 1.7 Amps with 50 Ohm termination

RECEIVER

• Intermediate Frequencies 38.85 MHz, 450 kHz
• Sensitivity - 123 dBm for 12 dB SINAD unweighted
• Selectivity - 6 dB at 3.5 kHz, - 60 dB at ± 12.5 kHz
• Intermodulation Immunity -72 dB
• Blocking Immunity -98 dB
• Spurious Response Immunity 70 dB
• Audio Output Power 3 watts average into 4 Ohms
• Audio Signal to Noise > 45 dB unweighted
• IF Frequencies < 175 mA muted 750 mA Full volume.
• Conducted Spurious Emission< - 70 dBm

MECHANICAL SPECIFICATIONS

• Dimensions 29 (H) x 128 (L) x 117 (D) mm
• Weight 450 grams
• Antenna SO239 panel socket
• External Speaker 3.5 mm mono jack
• Microphone Port 6 Way telephone style with rubber strain relief

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