Sennheiser freePORT Instrument Set Instructions for Use - Page 13

Specifications of the freePORT systems System characteristics Transmission/receiving frequencies Switching bandwidth Signal-to-noise ratio THD (1 kHz) Temperature range 4 UHF transmission/receiving frequencies Range A: 719 to 721 MHz (719.15 - 719.75 - 720.15 - 720.85 MHz) Range B: 691 to 693 MHz (691.00 - 691.40 - 692.35 - 692.90 MHz) Range C : 742.5 to 744.5 MHz (742.65 - 743.35 - 743.85 - 744.45 MHz) Range E: 863 to 865 MHz (863.10 - 863.70 - 864.10 - 864.90 MHz) 2 MHz > 95 dB(A) < 1 % -10 bis +45 °C / 95 relative humidity Individual components EM 1 SK 2 SKM 3 receiver bodypack transmitter radio microphone Power supply 12V DCNOM/100 mA 9 V PP3 battery 9 V PP3 battery Operating time - approx. 10 hrs approx. 10 hrs (with alkaline battery) Frequency response - 60...16,000 Hz ± 3 dB 80...16,000 Hz ± 3 dB RF output power (-3 dB) - 10 mW 10 mW AF output voltage - - ¼'' (6.3 mm) jack socket (unbal.): max. +10 dBu XLR socket (balanced): max. +16 dBu Dimensions in mm approx. 35 x 213 x 98 approx. 60 x 100 x 30 approx. 285; (with belt clip) ∅ approx. 35 x 50 Weight approx. 570 g approx. 90 g approx. 210 g Transducer principle - - dynamic Pick-up pattern - - cardioid ME 2 clip-on microphone Transducer principle Pick-up pattern pre-polarized condenser omni-directional 12