The mobile package with power output up to 25 W (50 W) is designed to be built in all types of caterpillar and wheel vehicles. The radio modem built in AT ZM13.1 (ZV13.1) amplifier in direct line software version features full duplex data transmission. The modem is compatible with MD13.1 and MD13.2.
Technical parameters
Frequency range
30.000 MHz to 87.975 MHz
Input impedance
50 Ω
Output impedance
50 Ω
Channel spacing
25 kHz
Number of channels
2320
Channel selection
from transceiver keyboard or handset
Operating modes
simplex or semiduplex telephony or data transmission 16 kbit/s
duplex data transmission with 16 kbit/s baud rate
Voice encryption
through internal digital scrambler
RF power output controllable in three steps
0.2 W decreased, 5 W nominal, 25 W(50 W) increased
Receiver sensitivity
better than 0.5 μV at 12 dB SINAD
Modulation
FM, max. deviation 5.6 kHz
Effectively transmitted frequencies range
for F3 operation
300 Hz to 3400 Hz
for data
150 Hz to 9000 Hz
Interface for connection of PC
RS232C
Data transmission rate in radio channel
max. 16 kbit/s
Data transmission modulation GMSK
bit rate 16 kbit/s
Modulation signal level for 4 kHz deviation
in F3 mode
100 mV
in DATA mode
430 mV ± 50 mV
AF amplifier output power
1 W in loudspeaker with impedance 6 Ω
AF frequency range
300 Hz to 3 000 Hz in 6 dB range
Nominal power supply voltage
RF1325
12 V or 27 V
RF1350
27 V
Power supply voltage range
RF1325
10 V to 33 V
RF1350
18 V to 33 V
Current consumption
reception
max. 0.5 A
transmission 5 W
max. 1.3 A
transmission 25 W
max. 10 A at 12 V
max. 5 A at 27 V
transmission 50 W
max. 8 A
Continuous operation time in +50 °C
25 W
min. 2 hours
50 W
min. 30 min
Operating temperature
–30 °C to + 60 °C
Set dimensions including the frame
W 428 mm x H 270 mm x D 290 mm
Set weight including frame
max. 18.5 kg
Components
Duplex VHF transceiver AT RF13D
Power amplifier 25 W (P2P) AT ZM13.1
Co-site filter AF13
Co-site filter AF13.1
Frame
Frame
Frame
AF cable
AF cable
AF cable
RF cable