Carrier frequency range: 650 to 680, 680 to 710, 720 to 750, 760 to 790, 790 to 820, 835 to 862 MHz
Modulation: FM
Audio bandwidth: 35 to 20,000 Hz
Selectable channels: 1200
Max. channels for multichannel operation: > 50
THD: typ. <0,3 %
Signal/noise ratio: 120 dB (A)
RF output: 50 mW max. (ERP)
Battery life: 2 AA size dry batteries: 15 hours typical; BP 4000 rechargeable battery pack: 12 hours typical
Dimensions: 70 x 90 x 25 mm (2.8 x 3.5 x 1.0 in.)
Net weight: 320 g (11.3 oz.)
Patent(s): Remaining battery life (Patent no. AT 408.280, GB 2.349.230, US 6,344,730)