RF characteristics

Modulation

Wideband FM

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

D: 780 - 822 MHz

E: 823 - 865 MHz

JB: 806 - 810 MHz

K+: 925 - 937.5 MHz

1G8: 1785 - 1800 MHz

Transmission frequencies M

Max. 1680 receiving frequencies, adjustable in 25  kHz steps

20 frequency banks, each with up to 12 factory-preset channels, no intermodulation

1 frequency bank with up to 12 programmable channels

Switching bandwidth

up to 42 MHz

Nominal/peak deviation

±24 kHz / ±48 kHz

Frequency stability

≤ ±15 ppm

RF output power at 50 Ω

Max. 30 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)

≥ 110 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