Operating SecureChat radio station, 5 Watt civil handheld radio, 7-inch tablet, modem-hardware and SecureChat software. No need for additinal components or infrastructure. Could be recharged also from car battery / power bank / solar panels.
Operating principle 1 Radio station 8 sends a message to Radio station 3, which is about 150 km away and there is no direct connection, as the distance is greater than a coverage. SecureChat system finds a route to deliver the message from 8 to 3, using following stations on a route as relays 8(sender)->4->1->10->12->3 […]