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™
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
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
Spurious Emission - < - 70 dBc
Frequency Error - < ± 1.5 kHz
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
Dimensions - 50 (H) x 171 (L) x 112 (D) mm
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