SKM 500 G4 handheld transmitter

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

Cw-TH: 748.2 - 757.8 MHz

Dw: 790 - 865 MHz

JB: 806 - 810 MHz

K+: 925 - 937,5 MHz

Transmission frequencies Max 2880 receiving frequencies,adjustable in 25 kHz steps

20 frequency banks, each with up to 32 factory-preset channels, no intermodulation

6 frequency banks with up to 32 programmable channels

Switching bandwidth up to 88 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 80 - 18.000 Hz
Signal-to-noise ratio (1 mV, peak deviation) ≥ 115 dBA
Total harmonic distortion (THD) ≤ 0,9 %
Setting range for input sensitivity 48 dB, in 6 dB steps

Overall device

Temperature range -10 °C to +55 °C (14 °F to 131 °F)
Power supply 2 AA batteries, 1,5 V or BA 2015 accupack
Nominal voltage 3 V battery / 2.4 V rechargeable battery
Power consumption
  • at nominal voltage
  • with transmitter switched off

  • typ. 180 mA
  • ≤ 25 µA
Operating time typ. 8 h
Dimensions approx. ⌀ 50 x 265 mm
Weight approx. 450 g