Specifications - GME TX3500 Instruction Manual

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.
t X 3 5 0 0

SpECiFiCATiONS

demodulated Audio
signal to noise: > 45 dB unweighted
current consumption: 1.7 Amps with 50 ohm
Receiver
Intermediate Frequencies: 38.85 mhz, 450 khz
Intermodulation
Blocking Immunity: -98 dB
spurious response
Audio output Power: 3 Watts average into 4 ohms
Audio signal to noise: > 45 dB unweighted
receive Frequency
current consumption: < 175 mA muted
conducted spurious
MECHANiCAl SpECiFiCATiONS & CONNECTiONS
12 Volt Power supply: two core cable with bulkhead
External speaker: 3.5 mm mono jack
microphone Port: 6 Way telephone style
Specifications
I n s t r u c t I o n m A n u A l
termination.
sensitivity: - 122 dBm for 12 dB
sInAd unweighted
selectivity: - 6 dB at + 3.5 khz
- 60 dB at ± 12.5 khz
Immunity: -72 dB
Immunity: 70 dB
response: - 6 dB/octave de-emphasis
300 hz to 3 khz + 1-3 dB.
750 mA Full volume.
Emission: < - 70 dBm
dimensions: 29 (h) x 128 (l) x 117 (d) mm
Weight: 450 grams
connector in rear panel.
Antenna: so239 panel socket
with rubber strain relief.
are subject to change without notice or obligation
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