GMDSS Radios Supplier
Yesway Communications is based in Lincoln, and is a GMDSS Radio Supplier.
The Entel HT649 Marine GMDSS Handportable radio fortunately likes water, and can stand being in up to 5 metres of water for up to an hour. IP68.
VHF gmdss frequencies
Voice Inversion Scrambler
Does the job, and well.
For more information and a demo, get in touch on Lincoln (01522) 740818