To meet the demand for both extended operating range and extended battery life, the ?V? series SM transmitters offer selectable output power of 100 or 250 mW. A third selection at 50 mW is provided for some theatrical applications where the system design specifies lower transmitter power._ Frequency Block 19_ Digital Hybrid Wireless Technology_ Variable, Selectable Power Output_ Membrane-Switch Controls w/ LCD Display_ 256 Synthesized UHF Frequencies_ Wide Input Dynamic Range_ DSP-Based Pilot-Tone Signal_ Circulator/Isolator Output Stage_ Splash-Proof, Machined Aluminum Housing_ Non-Corrosive, Damage-Resistant Finish