A teezl, also referred to as a screamer, was a non-sentient, bluish, luminous, swirling creature that could be used as a natural hyperspace communications amplifier.
These luminous masses were capable of taking in electronically supplied input and broadcast it to any receptor in the galaxy. This potentially meant that, once installed in a location, the teezl would allow virtually instantaneous communication between far flung colonies in a galaxy. The creature itself was, however, not intelligent or sentient though it was still a living being. It was obedient to its masters and commenced any orders it received.
The teezl also possessed the ability to create psychic shrieks that was capable of creating a powerful static that blocked all communication channels except for those wavelengths that the screamer was ordered not to interrupt making it a potent jamming tool.
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