T X 3 5 0 0 I N S T R U C T I O N M A N U A L PAG E 1 9
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: 50 ms per channel
(20 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.
Receiver
Intermediate Frequencies: 38.85 MHz, 450 kHz
Sensitivity: - 122 dBm for 12 dB
SINAD unweighted
Selectivity: - 6 dB at + 3.5 kHz
- 60 dB at ± 12.5 kHz
Intermodulation
Immunity: -72 dB
Blocking Immunity: -98 dB
Spurious Response
Immunity: 70 dB
Audio Output Power: 3 Watts average into 4 Ohms
Audio Signal to Noise: > 45 dB unweighted
Receive Frequency
Response: - 6 dB/Octave de-emphasis
300 Hz to 3 kHz + 1-3 dB.
Current Consumption: < 175 mA muted
750 mA Full volume.
Conducted Spurious
Emission: < - 70 dBm
MECHANICAL SPECIFICATIONS & CONNECTIONS
Dimensions: 29 (H) x 128 (L) x 117 (D) mm
Weight: 450 grams
12 Volt Power Supply: Two core cable with bulkhead
connector in rear panel.
Antenna: SO239 panel socket
External Speaker: 3.5 mm mono jack
Microphone Port: 6 Way telephone style
with rubber strain relief.
Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz)
1 476.425 ~ 21 476.925 41 476.4375 ~ 61
•
476.9375
2 476.450 ~ 22
#
476.950 42 476.4625 ~ 62
•
476.9625
3 476.475 ~ 23
#
476.975 43 476.4875 ~ 63
•
476.9875
4 476.500 ~ 24 477.000 44 476.5125 ~ 64 477.0125
5* 476.525 ~ 25 477.025 45 476.5375 ~ 65 477.0375
6 476.550 ~ 26 477.050 46 476.5625 ~ 66 477.0625
7 476.575 ~ 27 477.075 47 476.5875 ~ 67 477.0875
8 476.600 ~ 28 477.100 48 476.6125 ~ 68 477.1125
9 476.625 29 477.125 49 476.6375 69 477.1375
10 476.650 30 477.150 50 476.6625 70 477.1625
11
+
476.675 31 477.175 ~ 51 476.6875 71 477.1875 ~
12 476.700 32 477.200 ~ 52 476.7125 72 477.2125 ~
13 476.725 33 477.225 ~ 53 476.7375 73 477. 2375 ~
14 476.750 34 477.250 ~ 54 476.7625 74 477.2625 ~
15 476.775 35* 477.275 ~ 55 476.7875 75 477.2875 ~
16 476.800 36 477.300 ~ 56 476.8125 76 477.3125 ~
17 476.825 37 477.325 ~ 57 476.8375 77 477.3375 ~
18 476.850 38 477.350 ~ 58 476.8625 78 477.3625 ~
19 476.875 39 477.375 59 476.8875 79 477.3875
20 476.900 40
^
477.400 60 476.9125 80 477.4125
* Emergency use only
+
Officially designated call channel
#
Telemetry/Selcall use only. Voice transmission is inhibited as required by AS/NZS 4365.2010
^
Road channel
~ Repeater channels
• «
Guard band channel. Transmission is inhibited as required by AS/NZ 4365.2010
SPECIFICATIONS
Specifications are subject to change without notice or obligation
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