RMS Titanic
When RMS Titanic set sail in 1912, she had the very latest in communication technology—the wireless telegraph.
In the last hours after Titanic hit an iceberg, radio messages sent from the sinking ship eventually summoned a rescue vessel , The Carpathia, that saved hundreds of people.
Unfortunately, the closest ship, Californian, didn’t receive Titanic’s distress calls at all. Its wireless operator had switched off his receiver and gone to bed.
Sadly, Radio Operator, Jack Phillips went down with Titanic, calmly sending distress signals in his last moments.
Titanic II
Titanic II will have a recreation onboard the original Titanic’s radio room. It will not be functioning, it will just be for show.
Onboard todays Modern ships, radio communications take place from the navigation bridge and not a separate room, in a different location.
The Marconi suite on the Titanic was relatively spacious. It consisted of three rooms: the main room for the operator, a “Silent Room” with soundproof walls to house the loud spark-gap radio gear, and a small bunk room for the Marconi operators. The suite was located on the boat deck between the bridge and the Grand Staircase of the First Class entry. It was located as close to the top of the ship as possible to keep the cable run to the antenna as short as possible. (To reduce resistance/loss of signal strength).
The radio gear consisted of a motor-dynamo generator that boosted the ship’s DC electrical supply to high voltage AC to power the synchronous rotary spark-gap transmitter. At 5 kilowatts, the transmitter was the most powerful on the sea, and capable of reaching New York or London from the middle of the Atlantic.
(Wikipedia)
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