AirPlus KRT2 - Technical Data - Transmitter and Receiver Performance

User & Installation manual
VHF- Communication Transceiver
Doc.-Nr:
DE-3000-800100e
KRT2
Revision 12.2
Jan. 2016
60 / 61
TRANSMITTER
POWER OUTPUT
6 W (nominal) @ >13.5V
4 W (minimal)
HARMONIC DISTORTION <10 % at 70 % modulation
SIDETONE OUTPUT >0,5W an 300Ω (head set output)
MICROPHONE INPUTS
2 x standard (50mV…2V) into 100Ω
or 2 x dynamic
HARMONIC CONTENT >60dBc
MODULATION FIDELITY
deviation <6 dB von 350…2500Hz
CARRIER NOISE LEVEL
>35dB at 70% Modulation index
UNWANTED FREQUENCY
MODULATION
<1kHz at m=70% / 1kHz
DUTY CYCLE
2 minutes on, 4 minutes off;
automatic turn-off after 2 minutes continuous
transmitter operation
RECEIVER
SENSITIVITY
-105 dBm (>6 dB S+N/N, m =
30 % / 1 kHz)
BANDWIDTH / 25 KHZ -6-dB-bandwidth > ±8.0 kHz
BANDWIDTH / 8.33 KHZ -6-dB-bandwidth > ±2.78 kHz
SELECTIVITY
(channel spacing 25 KHZ)
-40-dB-bandwidth < ±17.0 kHz
-60-dB-bandwidth < ±22.0 kHz
SELECTIVITY
(channel spacing 8.33 KHZ)
-60-dB-bandwidth < ±7.37 kHz
SPEAKER OUTPUT ≥10 W into 4 Ω
AGC CHARACTERISTIC
Deviation of NF-output < 6 dB
from 10 µV to 10 mV
SQUELCH
Automatic Squelch (adjustable)
SPURIOUS RESPONSES
> 80 dB
DISTORTION (350…2500Hz)
<25% at rated power (85% / -33dBm)
<10% at 10dB below rated power
(70% / -33dBm)