EK IEM G4
RF characteristics
| Modulation | Wideband FM |
| Receiving frequency ranges | A1: 470 - 516 MHz A: 516 - 558 MHz AS: 520 - 558 MHz G: 566 - 608 MHz GB: 606 - 648 MHz B: 626 - 668 MHz C: 734 - 776 MHz C-TH: 748.2 - 757.8 MHz D: 780 - 822 MHz E: 823 - 865 MHz |
| Receiving frequencies | Max 1680 receiving frequencies, adjustable in 25 kHz steps Max 1680 receiving frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 16 factory-preset channels, no intermodulation 6 frequency banks with up to 16 programmable channels |
| Switching bandwidth | up to 42 MHz |
| Nominal/peak deviation | ±24 kHz / ±48 kHz |
| Receiver principle | Adaptive diversity |
| Sensitivity (with HDX, peak deviation) | < 4 µV, typ. 1.6 µV for 52 dBA eff S/N |
| Adjacent channel selection | typ. ≥ 65 dB |
| Intermodulation attenuation | typ. ≥ 70 dB |
| Blocking | ≥ 80 dB |
| Squelch | 5 to 25 dBµV, adjustable in 2 dB steps |
| Pilot tone squelch | Can be switched off |
AF characteristics
| Compander system | Sennheiser HDX |
| Signal-to-noise ratio (1 mV, peak deviation) | approx. 90 dB |
| Total harmonic distortion (THD) | ≤ 0,9 % |
| Output power at 2.4 V 5% THD, nominal deviation | 2 x 100 mW at 32 Ω |
| High Boost | +8 dB at 8 kHz |
| Limiter | –18 dB to –6 dB in 6 dB steps, can be switched off |
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 rechargable battery |
| Power consumption at nominal voltage with transmitter switched off | typ. 140 mA ≤ 25 µA |
| Operating time | approx. 4 to 6 hours (depending on the volume level) |
| Dimensions | approx. 82 x 64 x 24 mm |
| Weight (with batteries) | approx. 125 g |