Robust bodypack transmitter for daily use on stage with evolution wireless G4 100 G4 systems. 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: 100 meters. High RF output power (up to 30 mW). Package includes: SK 100 G4 bodypack transmitter, 2 AA batteries, manual. Dimensions: 82 x 64 x 24 mm. Weight: 160 g. Frequency: 516 - 558 MHz