The best-quality communicator fabricated in the Imperium. Engineered to the same basic requirements as the standard model, this version is built to see years of heavy and rough use. Its "unfailing"-grade electronics are nestlend within an unparalleled ergonomic case that conforms to the owner's hand by way of a mutable smar-surface. The case is tamper-proof, and its PowerCell has emergency internal breakers which will prevent shorting out under any circumstance which would not also kill the bearer.
“Traveller 5.10 Core Rules Book 3 : Worlds and Adventures”, Miller, Marc , Far Future Enterprises