Marine ATEX UHF McMurdo R8F TT-3965A Fire Fighter Radio

Technical Specifications of Marine ATEX UHF McMurdo R8F TT-3965A Fire Fighter Radio

Marine ATEX UHF Fire Fighter Radio McMurdo R8F, model TT-3965A, manufactured by Thrane&Thrane A/S, Denmark is the ATEX approved portable radio, made specifically for fulfilling the new SOLAS Chapter II-2 Regulation 10.10.4. According to new Regulations, a minimum of two two-way portable radiotelephone apparatus for each fire party for fire-fighter´s communication shall be carried on board. That two two-way radiotelephone apparatus shall be of an explosion-proof type or intrinsically safe

This Fire Fighter Radio is designed for all the ships meeting requirements of SOLAS Chapter II-2 Regulation 10.10.4 and for other vessels where the fire party is operating. The total number of Fire Fighter Radios to be carried onboard will depend upon the number of fire parties detailed on the Muster List

Marine ATEX UHF Fire Fighter radio McMurdo R8F works in the range of 457 MHz to 467 MHz RX and TX Frequencies. No Digital Selective Calling. Modulation at 25 kHz channel spacing is 16K0G3E; at 12.5 kHz – 8K50G3E.

Receiver sensitivity is -117 dBm. Collinear array with antenna gain – 0 dB. Vertical polarization.


Technical Specifications of UHF McMurdo R8F TT-3965A Fire Fighter Radio

Name of parameter Value
Radio Service Mobile marine service
Frequency Range 440-470 MHz
Transmitter Power, W 2/0.4
Channel spacing, kHz 25 kHz/12,5 kHz
Modulation 16K0G3E/8K50G3E
Frequency Stability: ±1 kHz
Water ingress protection IP67
Frequency Range, MHz 440-470 MHz
Channel spacing, kHz 25 kHz/12,5 kHz
Sensitivity, dBm -117 dBm
Adjacent channel selectivity More than 70 dB
Spurious response More than 70 dB
Type Collinear array
Antenna gain 0
Antenna 3dB Beam width, degrees Horizontal: 360.0; Vertical: 60.0
Polarization Vertical

 Supply package:

  1. UHF McMurdo R8F Fire Fighter Radio + UHF Antenna,
  2. Li-ion Rechargeable Battery B3906,
  3. Belt Clip,
  4. Lanyard,
  5. Single Unit Charger,
  6. AC/DC Converter,
  7. DC Power Connecting Cable,
  8. Mounting Kit for Charging Unit
  9. Operations Manual