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GME TX4500WS DSP DIN UHF Radio with Wireless PTT & ScanSuite – 80 Channel


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UHF Radio Powered by Digital Signal Processing for Pure Sound


For some time vehicle manufacturers have recognised the advantage of steering wheel control over auxiliary devices, this feature is common place today, offering enhanced safety, convenience and ease of operation.

GME the world’s largest manufacturer of UHF CB Radio also acknowledges the critical benefit of steering wheel located, finger tip controls and is now offering a unique wireless steering wheel mounted PTT.

Two additional buttons offer user programmable functionality, including up/down channel change, scan function and priority channel selection.

Whether you are a professional truck driver or an occasional road user, the innovative GME W1 wireless PTT and hands free microphone, available in the TX4500W, TX3510W and the TX3520W, is set to revolutionise both your driving safety and radio communications experience.

This model also comes equipped with GMEs newest digital scanning technology – ScanSuite™.


  • Steering wheel mount for convenient and safe operation.
  • Flexible mounting options.
  • Large PTT button.
  • Two user programmable function keys.
  • Hands-free microphone with 2.4 m lead.


  • 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 Ohm termination


  • 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
  • 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

What’s In the Box:

  • TX4500S
  • Mounting Cradle
  • Microphone
  • Microphone Clip
  • DC Lead and screw pack
  • W1 wireless remote
  • Hands-free microphone
  • Steering wheel clamp
  • Rear dress plate and fixings
  • Adhesive pad

GME TX4500WS Specs

Weight 0.65 kg
Dimensions 11.2 × 5 cm

GME: A Comprehensive Guide to the Brand and Its Diverse Product Range

GME, an abbreviation for GME Electrophone, is an iconic Australian brand that has carved a niche for itself in the realm of communication technology, particularly in the design and manufacture of high-quality radio communication devices. Founded in 1959, GME has established a strong reputation for its durable, reliable, and innovative products, making it a favored choice among outdoor enthusiasts, marine operators, and emergency services personnel.

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