GME TX3120S 80 Channel UHF CB Radio

$349.80 $277.20

Out of stock

  • Description
  • Reviews
  • Specifications
  • Warranty


A sleek new design, with our powerful DSP engine

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 – Scan Suite™ 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 maximize 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 usability and audio quality for a better UHF experience.

The radio also includes Scan Suite™ – a unique scanning technology enabling uninterrupted conversations even on congested channels;

Turbo Scan – Scans 80 channels in under 2 seconds

Network Scan – Dynamic intelligent channel selection for uninterrupted conversation

Auto Skip – Skips nuisance channels

The impressive feature list also includes Digital Signal Processing, Advanced Signal Management and Dynamic Volume control – GME innovations to ensure more consistent, reliable communications.

The radio includes CTCSS, DCS and Voice Inversion Scrambler for greater privacy and less interruption.

Power 5 watt
Transmit and receive 477MHz (UHF CB)
Selectable duplex
80 channels – 77 including telemetry (receive only) – 3 reserved for future use.
Scanning and memory
Open/Group and Network Scan
Memory channel quick select
Selectable priority channel
Active channel transmit in scan
Privacy CTCSS
DCS and Voice Inversion Scrambler
User controls and interface Rotary volume and channel controls
Speaker microphone with push- to-talk, channel up/down, priority and scan buttons
Large LCD screen> Mounting bracket

Whats in the box?
Speaker microphone
Microphone clip
DC lead
Screw pack and adapter
Welcome pack
TX3120s Radio

Compliant Specification:
AS/NZS 4365:2011

Frequency Range MHz:
476.425 – 477.4125

Number of Channels:

Channel Spacing:
12.5 kHz

Operation Mode:
Simplex channels 1-80 Semi duplex channels 1–8, 41–48.

Scanning Speed:
40 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,and the words ‘Hi DC’ flash.

Over Current Protection:
In-line 2A Fuse Reverse Polarity Protection: Shunt Diode

RF Output:
5.0 watts max


Maximum Deviation:
< ± 2.5 kHz at + 20 dB limiting

Spurious Emissions:
< -70 dB c

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

Frequency Stability:
±2.5 PPM

Circuit Type:
Double Conversion Super heterodyne

Intermediate Frequencies:
1st – 38.85 MHz
2nd – 450 kHz

Current Consumption:
< 180 mA muted 600 mA @ max. A.F output

123 dB m for 12 dB SIN AD unweighted

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

Inter modulation 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 dB m

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

178 grams

5 Year Australian GME Warranty