HDR

The HDR is a powerful wireless communication equipment consisting of a surface unit in a waterproof case that has a multiple power supply and an underwater speaker As1, a world record in terms of bandwidth, developed by a leading company in the communications sector. underwater. Simple to use, it allows instant transmission of voice messages and call tones to autonomous divers located within its wide coverage radius.

With this system Randal Systems offers a high-performance device for professional environments at a very competitive price.