Price: $670.00 Inc GST

Quick Overview

GPS Tracking Capability
Automatic Voting
Two Year Warranty
Remote - Module only

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TX3820BU UHF Modular Commercial Transceiver.

The GME Commercial Modular Series offers the end user greater flexibility when choosing a commercial radio.
It allows the end user to purchase a base radio and then choose between a 'Remote Head' or 'Remote LCD Microphone'.
There are also a variety of microphone options that can be used with the remote head.

The TX3820BW is a continued evolution of GME's TX3600 under dash series of UHF radios.
It represents a major advance in commercial radio with outstanding features, performance and flexibility.
With the option of adding the RH004 remote head and your choice of microphone, or you may choose the compact MC522BC remote LCD microphone

Installation is simple; with the radio measuring just 140mm (W) x 145mm (L) x 30mm (H) mm the TX3600 easily fits into the confines of modern vehicles.
The radio can be installed under the seat with the remote head or LCD mic option to be fitted to the centre console or dash.


  • Remote mount
  • Wide band / narrow band programmable by channel
  • 25 Watts transmitter output power
  • 450-520MHz.
  • Non volatile memory retains all user settings.
  • CTCSS (continuous tone coded squelch system)
  • MDC1200 signalling
  • Selcall to allow individual or groups of radios to be called.
  • Voting automatically selects the nearest free repeater channel.
  • DTMF for dialling telephone numbers or activating devices by remote control.
  • 'Talk Around' allows the radio to talk directly to another radio when both parties are using a repeater channel.
  • Dustproof microphone
  • Firmware upgrade to V3.01 will increase channel capacity to 256 channels and 100 position look up table and allow subsequent firmware upgrades from the front panel port.
  • Dual compliant for Commercial and CB channels
  • Designed and manufactured in Australia.

Supplied With

Spare Accessories

TX3820UB UHF Radio Mounting Bracket Complete with rails MB009
LE013 battery lead Power Lead LE013
MB009 mount cradle and rails Microphones Heavy Duty MC553B
Instruction Manual Heavy Duty - No Buttons MC557B
Heavy Duty - Commercial MC560B
RH004 Remote head or MC522BC Microphone Clips Plastic - MC553/557 MB206
control microphone required Stainless Steel MB202
but not included

Brochures and Manuals

Owners Manual
Product Brochure

Compatible Accessories


Compliant Specification AS/NZS4295
Frequency Range TX UHF 70 MHz, 450 - 520 MHz
Number of Channels 99 - (Upgradeable 256 with V3.01 Firmware)
Channel Spacing 25 kHz / 12.5 kHz
Operation Mode Simplex or half duplex with repeater talk-around
Scanning Speed Selectable 50/100/200 ms per channel
Antenna Impedance 50 Ohms nominal
Nominal Battery Voltage 13.8 volts DC negative earth
Operating Voltage Range 10.8 - 15.6 volts
Standard Test Voltage 13.8 volts DC
Reverse Voltage Protection 18 volt diode crowbar
Operating Temperature -10 °C to +60 °C
Frequency stability +/- 1khz VHF (-10 to +60)
RF Output
RF Output High: 25 watts max | Low: 5 watts adjustable
Transmitter duty cycle 25% at maximum output (25 watts)
Deviation limiting: 12.5khz ±2.5 kHz or ±5 kHz at +20 dB AF limiting
Audio distortion 3% below limiting
Residual noise and hum -40 or -45 dB
Intermediate Frequencies 1st: 21.4 / 38.85 MHz | 2nd: 450 kHz
Sensitivity Spurious Output -122 dB for 12 dB SINAD (CCIR) < -75 dBc (Compared to carrier).
Intermodulation Immunity 74 dB
Blocking Immunity > 100 dB
Spurious Response Immunity > 75 dB
Audio Output Power 3 watts average into 4 Ohms
Audio Signal to Noise > 45 dB / 40 db (WB/NB) unweighted
Sensitivity - 121 dBm for 12 dB SINAD unweighted
Adjacent channel selectivity: 12.5Khz -73 dB/-65db (WB/NB)
Adjacent channel selectivity: 25Khz -73 dB/-65db (WB/NB)
Conducted Spurious Emission < -80 dBm
Dimensions 29 (H) x 127 (W) x 163 (D) mm
Weight 614 grams
Antenna BNC (chassis mount)
GPS/AVL Option available