T X 3 5 0 0 S
I N S T R U C T I O N M A N UA L
PA G E 2 5
ELECTRICAL
General
Compliant Specification:
Meets AS/NZS 4365 for radio communications equipment
in the UHF citizen and personal radio service.
Frequency Range TX:
476.425-477.4125 MHz
Number of Channels:
80
Channel Spacing:
12.5 kHz
Operation Mode:
Simplex or half Duplex with repeater talk around.
Scanning Speed:
25 ms per channel (40 channels per second)
.
Antenna Impedance:
50 Ohms nominal
Nominal Battery Voltage:
12 volts DC
Operating Voltage Range:
10-16 volts DC
Battery Polarity:
Negative Earth
Standard Test Voltage:
13.8 volts DC
Overvoltage Protection:
30 volts DC maximum. At 18 volts DC the channel display flashes ‘Hi DC’ for
5 seconds on receive. The RF power is reduced and TX flashes on transmit.
Reverse Voltage
Protection:
Diode Crowbar
Overcurrent Protection:
In-line 2 Amp Fuse
Operating Temperature:
-10°C to 60°C
Transmitter
RF Output:
5 watts
Spurious Emission:
< - 70 dBc
Frequency Error:
< ± 1.5 kHz
Modulation: FM
Maximum Deviation: < ± 2.5 kHz at + 20 dB AF limiting.
Transmit Frequency
Response:
+ 6 dB per octave
300 Hz to 3 kHz + 1-3 dB.
Demodulated Audio
Signal to Noise:
> 45 dB unweighted
Current Consumption:
1.7 Amps with 50 Ohm termination.
SPECIFICATIONS
