User's Manual

Radio Activity S.r.l. 36 / 44
6.1 Radio frequency
Radio Transceiver model KA080, KA160, KA350, KA450, KA500, KA900, typical values.
6.1.1 Transmitter
Output power at the connector
1/5/10/15/20/25 W
Connector SMA
RF final transistor protection to high
temperature
85°C +/- 5°C progressively reducing the RF power
Available modulation
FM, PM, GFSK, 4FSK, 2DFSK
Modulation bandwidth
0 .. 50
00 Hz
Synthesis step
50
Hz
Transmitting duty cycle
Continued 100%
ROS protection
Min.10’ in short circuit as well
as in open circuit
Adjacent channel noise
-
75 dBc @25KHz
/
-
65 dBc @12.5KHz
FM distortion
< 1.5 %
Noise
-
56 dBp @25KHz
/
-
47
dBp @12.5KHz
Frequency stability (without GPS)
0.5 p.p.m. (without digital correction)
Max reverse input signal
-
20dBm to
avoid intermodulation products
+20dBm no damage
Emission Designator (ITU)
4FSK Digital Modulation (DMR)
12.5 KHz Data Only: 7K60FXD
12.5 kHz Data and Voice: 7K60FXE
FM Modulation
12.5 kHz: 11K0F3E (voice); 11K0FXD (data)
25 kHz: 16K0F3E (voice); 16K0FXD (data)
20 kHz: 14K0F3E (voice); 14K0FXD (data)
6.1.2 Receiver
Maximum sensitivity
-
11
6
dBm @20 dBp SINAD
-118dBm @5% BER without diversity
-121dBm @5% BER with diversity
Operating maximum input
-
10 dBm
Maximum input without permanent
damages
+10 dBm
Reception mode
Vector I &
Q
Received signal band
0
..50
00 Hz
Synthesis step
50
Hz
Co
-
channel protection
8 dB @25 KHz
/
12 dB @12.5KHz
Adjacent channel selectivity
73 dB @25 KHz
/
6
3
dB @12.5 KHz