SK 500 G4

RF characteristics
Modulation Wideband FM
Frequency ranges Aw+: 470 – 558 MHz
AS: 520 – 558 MHz
Gw1: 558 – 608 MHz
Gw: 558 – 626 MHz
GBw: 606 – 678 MHz
Bw: 526 – 698 MHz
Cw: 718 – 790 MHz
Dw: 790 – 865 MHz
JB: 806 – 810 MHz
K+: 925 – 937.5 MHz
Transmission frequencies Max. 2880 frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 32 factory-pre-set channels, no intermodulation
6 frequency banks with up to 32 programmable channels
Switching bandwidth up to 72 MHz
Nominal/peak deviation ±24 kHz / ±48 kHz
Frequency stability ≤ ±15 ppm
RF output power at 50 Ω switchable:
Low: typ. 10 mW
Standard: typ. 30 mW
High: typ. 50 mW
Pilot tone squelch Can be switched off

AF characteristics
Compander system Sennheiser HDX
AF frequency response Mic: 80 – 18,000 Hz
Line: 25 – 18,000 Hz
Signal-to-noise ratio (1 mV, peak deviation) ≥ 115 dBA
Total harmonic distortion (THD) ≤ 0.9 %
Max. microphone/line input voltage 3 Veff
Microphone/line input impedance 40 kΩ, unbalanced / 1 MΩ
Input capacitance Switchable
Setting range for input sensitivity 60 dB, adjustable in 3 dB steps

Overall device
Temperature range -10 °C to +55 °C
Power supply 2 AA batteries, 1.5 V or BA 2015 accupack
Nominal voltage 3 V battery / 2.4 V rechargeable battery
Current consumption at nominal voltage: typ. 180 mA with transmitter switched off: ≤ 25 μA
Operating time Typically 8 h
Dimensions Approx. 82 x 64 x 24 mm
Weight (incl. batteries) approx. 160 g