The TX4500S is a DIN-sized UHF CB radio, ideal for installations in vehicles with a standard DIN mounting slot.
Supplied with a DIN mounting kit, the TX4500’s compact-depth design allows for seamless installation in confined spaces.
Featuring a rugged die-cast metal chassis and robust professional-grade microphone with magnetic mounting bracket, the TX4500S is the radio of choice for agricultural machinery, plant equipment and heavy vehicle operators.
Combining a front-facing speaker and large LCD screen with rotary volume, channel and squelch controls ensure ease of operation and inherent safety for serious users in demanding commercial environments.
Key Features
- DIN-Size Die-cast Metal Chassis
- Rotary Squelch, Channel and Volume Controls
- Front-facing Speaker for Clear Audio in Noisy Environments
- Large, High-contrast, Wide-angle LCD Screen
- Full Spectrum LCD Back-lighting
- ScanSuite™ - Digital Scanning Technology
- Digital Signal Processing
- Dynamic Volume Control
- 5 Year Warranty
In the box
- DIN-size UHF CB Radio (TX4500S)
- Heavy Duty Microphone (MC553B)
- Magnetic Microphone Mount (MB207)
- 12V DC Power Lead (LE09)
- Mounting Hardware
GENERAL
Compliant Specification
Meets AS/NZS 4365 for radio communications equipment in the UHF citizen and personal radio service.
Frequency Range TX 476.425-477.4125 MHz
Number of Channels 80
Channel Spacing 12.5 kHz
Operation Mode Simplex or half duplex with repeater talk around.
Scanning Speed 25 ms per channel (40 channels per second)
Antenna Impedance 50 Ohms nominal
Nominal Battery Voltage 12 V DC
Operating Voltage Range 10-15 volts DC
Battery Polarity Negative Earth
Standard Test Voltage 13.8 volts DC
Overvoltage Protection 25 volts DC maximum. At 18 V DC the channel display flashes ‘Hi DC’ for 5 seconds on receive. The RF power is reduced and TX flashes on 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 AF limiting.
Transmit Frequency Response +6 dB per octave 300 Hz to 3 kHz + 1-3 dB
Demodulated Audio Signal to Noise > 45 dB unweighted
Current Consumption 1.7 amps with 50 Ohms termination
RECEIVER
Intermediate Frequencies 38.85 MHz, 450 kHz
Sensitivity -122 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 3W average into 4 Ohms
Audio Signal to Noise > 45 dB unweighted
Sensitivity -6 dB at + 3.5 kHz -60 dB at ± 12.5 kHz
Current consumption < 175 mA muted 750 mA Full volume
Conducted Spurious Emission < - 70 dBm
MECHANICAL SPECIFICATIONS
Dimensions 50 (H) x 171 (L) x 112 (D) mm
Weight 646 grams
Power Supply/Supply Voltage Two core cable with bulkhead connector in rear panel.
Antenna SO239 panel socket
External Speaker 3.5 mm mono jack
Microphone Port 6 way telephone style with rubber strain relief
