If an Alcubierre Drive is possible, can you communicate FTL without a vessel?

Assume that an Alcubierre drive is feasible. In fact, assume that one has been built. A superluminal starship can propel itself through space by distorting space in front of it and behind it. However, other than an Alcubierre drive, there are no other known technologies that allow anything to travel faster than light (no wormholes or anything).

Utilizing this same technology, is there any way to make a communications system that does not involve a vessel? An electromagnetic wave carrying information (like modern radio or cell phone signals) won't have any feasible way to bend space around it; you would need a drive and power source, themselves inside a vessel.

If Alcubierre drives exist, does this imply that communications can travel no faster than the Alcubierre driven vessels, just as news could not travel faster than sailing ships in ~1700?

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If an Alcubierre Drive is possible, can you communicate FTL without a vessel?

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