Rugged all-in-one wireless system for presenters and moderators. Robust bodypack transmitter and unobstrusive clip-on microphone ME 4 (cardioid) with high speech intelligibility for daily use on stage. True diversity half-rack receiver in a full-metal housing with intuitive LCD display for full control. Easy and flexible wireless synchronization between transmitter and receiver via infrared. Fast frequency allocation for up to 12 receivers via new linking functionality. Up to 20 compatible channels. Transmission Range: up to 100 meters / 300 feet. High RF output power (up to 30 mW) depending on country regulations. Package includes: EM 100 G4 true diversity receiver, SK 100 G4 bodypack transmitter, ME 4 clip-on microphone, GA 3 rackmount set, power supply, 2 AA batteries, 2 rod antennas, RJ 10 cable, manual. Dimensions: 190 x 212 x 43 mm. Weight: 980 g. Frequency: 516 - 558 MHz