... Oscillation Mode: PLL synthesized, 16Channel selectable * Frequency Stability: 0,005% * Maximum Deviation: 48 kHz with limiting compressor * Spurious Emission ... : >60dB below carrier frequency * T.H.D.: <1,0% (at 1KHz) * Microphone Capsule: uni-directional dynamic * ... Tone Signal: 32,768 kHz * Battery: DC 3V (2x 1,5V AA size alkaline batteries ) OR * DC 2.4V (2x ...