UHF radio powered by digital signal processing for Pure Sound Now with the new MC553B Rugged Professional microphone, the TX4500S is a full-DIN sized radio and is ideal for installations that require this size standard. The DIN mounting kit is supplied and its compact depth design allows for easy installation in confined spaces. The combination of the front facing speaker, large LCD screen and user controls along with the advanced features such as GME's new ScanSuite™ - made possible by the use of Digital Signal Processing - make the TX4500S the radio of choice for 4WD and heavy vehicle owners. Australian made GME radios have a 5 year warranty.
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
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, 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 - 3 W 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
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
- UHF CB