The DIN mounting kit is supplied and its compact depth design allows for easy installation in confined spaces. The combination of front facing speaker, large LCD screen, rotary volume, channel and squelch controls, and the advanced features provided by the use of the latest in DSP technology, make the TX4500 the radio of choice for many traditional CB markets. The TX4500S is now also equipped with ScanSuite to enable uninterrupted communications even on congested channels.
- Genuine Australian GME 5 Year Warranty
- 80 Channel
- User adjustable full spectrum LCD backlight
- Advanced signal management
- 95 user programmable extra receive channels (403-520 MHz)
- Large clear display
- DIN mountable
- Australian design and manufacture
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 : 50 ms per channel (20 channels per second).
Antenna Impedance : 50 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 25 volts DC maximum. At 18 volts 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
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.
Intermediate Frequencies : 38.85 MHz
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 : 3 watts average into 4 Ohms
Audio Signal to Noise : > 45 dB unweighted
Response : 6 dB/Octave de‑emphasis 300 Hz to 3 kHz + 1-3 dB.
Current Consumption : < 175 mA muted 750 mA Full volume.
Conducted Spurious Emission : < – 70 dBm
Mechanical Specifications & Connections
Dimensions : 50 (H) x 171 (L) x 112 (D) mm
Weight : 646 grams
12 volt Power Supply 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.