If they mass-produced these, I bet every single geek in the world would buy one.
Star Trek Bluetooth Communicator
This is the only working Star trek communicator in existence. It’s a one of a kind prototype. You can use it to make and recieve calls with any bluetooth 1.1 compatible mobile phone. It does not require wires
Sadly, the auction at eBay is gone – perhaps Paramount stepped in and erased it due to draconian copyright laws? Sad.