QEC

The Quantum Entanglement Communicator (QEC) is the ultimate in communication equipment. It allows for instantaneous communication across any distance (meaning you can be in another solar system when using it and it won't matter) and is impossible to inhibit or eavesdrop. As long as you are not in another dimension, plane of existence, anomalous zone or such nonsense, your message will get through. The only problem is that it consumes "fuel" (entangled particles) to communicate and can only communicate with a single device (another QEC on board the Sword, usually).