Jotron Tron TR20


The Tron TR20 is a rugged GMDSS hand held marine VHF radio designed for prolonged storage in liferafts, and lifeboats for use in emergency situations or for regular onboard communications aboard SOLAS and commercial vessels with the optional Ni-Mh battery pack and charger kit.

Easy to operate one handed or when wearing gloves and designed to fulfil GMDSS applications on conventional vessels, the TR20 GMDSS radio features 21 channels, including channel 16. and is watertight to IP67.

The Tron TR20 GMDSS includes as standard a 5-Year Long Life Lithium Battery Pack, Antenna, Wrist Strap and Operators Manual.

Compact and portable the TR20 GMDSS transceiver is consructed with a strong, high impact polycarbonate case and is lightest and smallest known in the market.

Designed with physical characteristics making the unit easily seen and felt in extreme conditions and low light including a large high contrast backlit graphic display and logical operation of the tactile back lit keypad.



NATO Stock No. 5820-25-151-1960

Complies to ETS 300 225 and IMO/SOLAS/GMDSS regulations.

MED and FCC approved.

Frequency range: 154 - 163 MHz

Channel spacing: 25kHz (12.5kHz optional)

No. channels: 21

Operating temperature range: -20 to +55dC.

Long Life Lithium Battery Duration: 12 Hours, Tx: Rx: Standby: 10-10-80%

Weight: Approx 350g (with Standard Lithium Long Life Battery)



For operators who wish to use it as an everyday handheld VHF radio they will need to purchase the optional Tron 80059 Ni-Mh Battery Pack, the Tron 99920 Charger and an appropriate AC charger adapter such as the UK 3-Pin Charger 80081.

Optional Ni-Mh Rechargeable Battery: Tron 80059

Optional RCG-20 Battery Charger: Tron 99920

Optional UK AC Charger Adapter: Tron 80081

Optional Floating Neoprene Case: Tron 80364

Optional 5-Year Long Life Lithium Battery: Tron 80060



  • 99930 Tron TR20 GMDSS
  • 80060 Lithium battery
  • 84101 Antenna
  • 80083 Wrist strap
  • 80078 User manual