GME TX3100 User manual

TX3100 Plug N Play
Supplied with:
TX3100 Super compact UHF CB radio
High performance 2.5” earth magnet antenna
360° degree adjustable mounting bracket
Cigarette lighter DC lead
2.4mtrs RG174A/U coaxial cable terminated with FME plug
Spare GME model label
Instruction manual

TX3100 Plug N Play
The new TX3100 Plug ‘n’ Play – the latest product from the design team at Australia’s
only UHF CB radio manufacturer, is a starter kit aimed at attracting the more urban UHF
customer segment, but is equally attractive for the seasoned 4WD, heavy vehicle or
recreational vehicle owner.
The new TX3100 Plug N Play comes packed with a high performance 2.5 inch rare-earth
magnet antenna connected with a no solder GME plug, a stylish adjustable suction
bracket, an in-car cigarette power lead and the super compact flip feature 5 watt CB
radio.
The rare-earth magnet antenna can withstand extreme wind resistance, is pre-tuned to
477MHz and is unity gain for optimal communication reception. Inside the vehicle, the
GME design team developed a unique 360° degree adjustable mounting bracket to
provide vertical or horizontal location flexibility.
The radio itself is fully engineered and manufactured in Australia with a host of
evolutionary features developed by GME’s highly experienced two-way radio R & D team
including the unique ‘flip’ menu feature, it’s super compact size and incorporating the
latest Digital Signal Processing technology.
The new Plug ‘n’ Play epitomises GME’s long standing reputation for innovation, quality
and value for money.
Features
Digital Signal Processing: Measures, filters and compresses standard analogue
audio signals and converts them into digital format. Allows advanced RF and
audio processing techniques to be applied to maximise the radios performance.
Unique Display Flip Function: Unit can be mounted with the speaker facing
upwards or downwards and the display ‘flipped over’ using a simple key-press
sequence to allow viewing of the display from either mounting orientation.
CTCSS and DCS
Programmable scan function
Advanced Signal Management: Suppresses unwanted signals on adjacent
channels and matches the receiver frequency to the incoming signal. This unique
GME feature is critical to optimise performance of 80 channel radios.
Adjustable squelch
Selectable duplex channels
Three year warranty
Dynamic Volume Control: Automatically compensates for variations in received
audio level, this feature provides a constant audio output level greatly enhancing
the quality of the reception and simplicity of use.
Australian design and manufacture
External speaker socket


GENERAL
Compliant Specification AS/NZS 4365
Frequency Range 476.425-477.4125 MHz
Number of Channels 80 UHF CB
Channel Spacing 12.5 kHz
Operation Mode Simplex channels 1-80 Semi Duplex channels 1-8
Scanning Speed 20 channels per second
Antenna Impedance 50 Ohms nominal
Operating Voltage Range 10-15 Volts DC
Nominal Battery Voltage 13.8 Volts DC
Over Voltage Protection 25 Volts DC max. At 18 Volts DC the RF power is reduced
Over Current Protection In-line 2A Fuse
Reverse Polarity Protection Shunt Diode

Freq uency Stability ±2.5 PPM
TRANSMITTER
RF Output 5.0 watts max.
Modulation FM
Maximum Deviation < ± 2.5 kHz at + 20 dB limiting
Spurious Emissions < - 70 dBc
Transmit Frequency Response + 6 dB per octave 300 Hz to 3 kHz + 1-3 dB.
Audio Signal to Noise > 45 dB
Current Consumption 1.5 Amps with 50 Ohms termination
RECEIVER
Circuit Type Double Conversion Superheterodyne
Intermediate Frequencies 1st - 38.85 MHz 2nd - 450 kHz
Current Consumption < 180 mA muted 600 mA @ max. A.F output

Sensitivity - 123 dBm for 12 dB SINAD unweighted
Selectivity - 6 dB at + 3.5 kHz - 60 dB at ± 12.5 kHz
Intermodulation Immunity 73 dB
Blocking Immunity 100 dB
Spurious Response Immunity 70 dB
Audio Power 3 Watts average into 4 Ohms
Audio Signal to Noise > 45 dB
Receive Frequency Response - 6 dB/Octave de-emphasis 300 Hz to 3 kHz + 1-3 dB
Conducted Spurious Emission < - 57 dBm
MECHANICAL
Dimensions 102 (W) x 87 (D) x 23 (H) mm
Weight 158 grams
Shock and Vibration MIL STD 810 method

ENVIRONMENTAL
Temperature Range -10°C to +60°C
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