The ULTRALINK ULM200GTR Wireless Guitar System from Behringer includes a bodypack transmitter for guitar and a receiver with an unbalanced 1/4" TS output. The system operates on 2.4GHz frequency range, allowing you to use it worldwide without worrying about licenses. It is capable of up to a 400-foot range of operation, and features an auto-pairing function that automatically pairs the transmitter with the receiver