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GME TX4800V Waterproof VHF Transceiver

NZD799.25 NZD918.85 inc GST (NZD695.00 + GST) All prices on this website are in NZD

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TX4800 series IP67 VHF/UHF Commercial Radio

A truly remarkable product, the ingress protected TX4800V (148 Mhz – 174 Mhz) and TX4800U (450 Mhz – 520 Mhz) enjoy an enviable pedigree; GME’s thirty years of experience in marine radio.  

The TX4800 series stands as unique in being the only waterproof 25-watt commercial mobile radio manufactured in Australia.

Compact in size, powerful, robust and reliable, the TX4800 series provides the perfect communications solution for use in the harshest of our Australian environments. The IP67 rating makes the series ideal for a broad range of market applications

Life Saving Operations

Search and Rescue

Grain Handling

Mining and Exploration

Off Shore Drilling Platforms

Water and Motor Sports

Search and Rescue in Snow climates

Extreme Dust and Dirt environments

The TX4800 series offers outstanding feature sets, which make it an ideal choice for both broad band switching and multiple channel infrastructures. With 500 RF channels programmable and reusable in 50 Zones or groups the TX4800 series offers a truly generic dimension for wide area coverage. The large backlit LCD screen and 9 digit alpha tag feature allows for instant recognition of the operational channel and zone.

Equipped with a Flash Upgradeable 16 Bit microprocessor, the TX4800 series is the smart choice for both today and all future demands.

The new TX4800 series is also small with an overall chassis depth of only 70 mm, making it one of the smallest 25-Watt UHF/VHF Commercial Radios available. Purpose built rear cooling fins means the TX4800 series will deliver a generous transmit duty cycle assuring the user of a solid communications link every time.

Like other GME Commercial Radios, the TX4800 series is designed and built in Australia with feature sets that make it the right choice when communications cannot be compromised.

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  • Microprocessor controlled frequency synthesizer
  • Talk Around
  • Selective call for individual or group calls
  • Fully backlit controls and keys
  • Numeric signal strength meter on the LCD
  • Multiple preset squelch settings with soft key override
  • Voting automatically selects the nearest free repeater channel
  • Multiple, user defined soft keys
  • Non volatile memory retains all user settings
  • Scanning in open or group scan modes
  • DTMF for PABX interface or remote device control
  • Manufactured using the latest surface-mount technology and reflow soldering techniques
  • Ingress protected microphone
  • CTCSS to facilitate dynamic work groups
  • Designed and manufactured in Australia
  • Narrow band (12.5kHz) and wide band (25kHz) by channel

Compliant Specification Compliant with Australian Test Standard AS4295
Frequency Bands 148 - 174 MHz | 450 - 520 MHz
Number of Channels 500 channels in 50 programmable user groups
Channel Spacing 25 kHz / 12.5 kHz / 6.25 kHz
Frequency Stability 2.5 ppm UHF 5 ppm VHF (-10 to +60)
Modulation Direct FM
Operation Mode Simplex or half duplex with repeater talk-around
Scanning Speed Selectable 50/100/200 ms per channel
Antenna Impedance 50 Ohms nominal
Antenna Connector BNC (chassis mount)
Nominal Voltage 12 volts DC negative earth
Operating Voltage Range 10.8 - 15.6 volts
Test Voltage 13.8 volts DC
Reverse Polarity Protection Diode crowbar
D.C. Current 0.3 amps receive (power save < 60 mAh) | 6 amps (UHF) transmit into 50 Ohms
Operating Temperature Range -10 °C to +60 °C
RF Output High: 25 watts max | Low: 5 watts adjustable
Transmit Duty Cycle 25% at maximum output (25 watts)
RF Switching Bandwidth VHF 26 MHz
Deviation Limiting ±2.5 kHz or ±5 kHz at +20 dB AF limiting
Pre-Emphasis +6 dB per Octave
AF Distortion 3% below limiting
Residual Modulation -40 or -45 dB
Sensitivity Spurious Outputs -122 dB for 12 dB SINAD (CCIR) < -75 dBc (Compared to carrier)
Circuit Type Double conversion superheterodyne
RF Switching Bandwidth VHF-26 MHz
Intermediate Frequencies 1st: 21.4 / 38.85 MHz | 2nd: 450 kHz
Sensitivity -121 dBm for 12 dB SINAD unweighted
IF Bandwidth 15 / 7.5 kHz WB/NB
Adjacent Channel Selectivity -73 dB
Intermodulation 74 dB
Blocking > 100 dB
Spurious Rejection > 75 dB
Audio Power 4 watts average into 4 Ohms
Audio Signal to Noise > 45 dB unweighted
Conducted Spurious Emission < -80 dBm
Dimensions 29 (H) x 127 (W) x 163 (D) mm
Weight 614 grams



Supplied with:

  • TX4800V/U radio
  • Mounting cradle
  • DC power lead
  • Microphone
  • Microphone clip
  • Instruction manual
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