Wireless modem links underwater adventurers

 作者:习涮铮     |      日期:2019-03-02 03:13:01
By Barry Fox As most schoolchildren know, radio waves do not travel through saltwater. That is why divers can’t talk to or text each other without using clumsy wired devices. But now British firm Wireless Fibre Systems, based in Livingston, claims it has developed a wireless modem that works underwater. The signals produced can also be transmitted out of the water. This will allow divers to keep in touch with their boat,