The UTX-P1 plug-on transmitter is designed to be used with Sony UWP series wireless tuners. It's extremely durable and is well balanced for use with the Sony F-112 ? a dynamic microphone suited to cost-effective newsgathering applications. The UTX-P1 plug-on transmitter also accepts line-level audio input signal as well. Whether used in a low-cost ENG or EFP system, the UTX-P1 delivers the convenience of uncompromised wireless microphone operation at a very affordable price. Plug-on transmitter designed only for use with UWP Series tuners. Operates over a wide 24 MHz frequency band within the range of 566 to 590 MHz. Converts a wired microphone to a wireless microphone via an XLR connection. 50 mW RF power output for stable and long-distance transmission. MIC/LINE input level switchable. Approximately six hours of continuous operation with two AA-size batteries. A backlit LCD provides extensive information, including the operating channel number and frequency in MHz, attenuator level, audio-input status, RF-output status, transmitter-battery status, and accumulated operating time