TX3120S Super Compact UHF CB with ScanSuite

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Synonymous with quality and reliability, the GME TX3120S is one of the most advanced 5 Watt UHF CB radios of its kind. Equipped with GMEs newest digital scanning technology - ScanSuite™ and an impressive feature list that includes Digital Signal Processing, Advanced Signal Management and Dynamic Volume Control. With CTCSS and DCS this radio ensures more privacy and less interruption.

This 5 watt robust radio is engineered to maximise features in limited space.

This new super compact radio has separate rotary user controls for volume and channel change, the widest LCD screen available on any super compact sized UHF and a new dynamic speaker microphone. These new and unique features improve useability and audio quality for a better UHF experience.


  • ScanSuite
  • Dynamic Volume Control
  • Selectable priority channel
  • Voice inversion scrambler
  • Memory channel quick select
  • Advanced signal management
  • Full spectrum backlighting
  • Active channel transmit in scan
  • 5 year warranty
  • Digital signal processing
  • Open and group scan mode

    Compliant SpecificationMeets AS/NZS 4365 for radio communications equipment in the UHF citizen and personal radio service.

    Frequency Range TX476.425 - 477.4125 MHz

    Number of Channels80 UHF CB

    Channel Spacing12.5 kHz

    Operation ModeSimplex channels 1-80, Semi duplex channels 1–8, 41–48.

    Scanning Speed20 channels per second

    Antenna Impedance50 Ohms nominal

    Nominal Battery Voltage13.8 volts DC

    Operating Voltage Range10-15 volts DC

    Overvoltage Protection25 volts DC max At 18 volts DC the RF power is reduced, and the words ‘Hi DC’ flash.

    Overcurrent ProtectionIn-line 2A Fuse

    Frequency stability±2.5 PPM


    RF Output5.0 watts max

    Spurious Emission< -70 dBc


    Maximum Deviation< ± 2.5 kHz at + 20 dB limiting

    Transmit Frequency Response+6 dB per octave 300 Hz to 3 kHz +1-3 dB

    Demodulated Audio Signal to Noise> 45 dB

    Current Consumption1.5 amps with 50 Ohms termination


    Intermediate Frequencies1st – 38.85 MHz 2nd – 450 kHz

    Sensitivity123 dBm for 12 dB SINAD unweighted

    Selectivity-6 dB at + 3.5 kHz ‑ ‑ ‑ 60 dB at ± 12.5 kHz

    Intermodulation Immunity73 dB

    Blocking Immunity100 dB

    Spurious Response Immunity70 dB

    Audio Output Power3 watts average into 4 Ohms

    Audio Signal to Noise> 45 dB

    Receive Frequency‑6 dB/Octave de‑emphasis 300 Hz to 3 kHz + 1-3 dB

    IF Frequencies< 180 mA muted 600 mA @ max. A.F output

    Conducted Spurious Emission< -57 dBm


    Dimensions102 (W) x 97 (D) x 23 (H) mm

    Weight178 grams

    Power Supply/Supply VoltageMIL STD 810 method

SKU TX3120s
Brand GME
Shipping Weight 1.0000kg
Shipping Width 0.250m
Shipping Height 0.050m
Shipping Length 0.180m
Shipping Cubic 0.002250000m3

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