GME TX3220 - Manual (Page 11)

SPECIFICATIONS
ELECTRICAL
general
Compliant Specification: Meets AS/nZS 4365 for radio
communications equipment
in the UHF citizen and personal
radio service.
Frequency Range TX: 476.425-477.400 MHz
number of Channels: 40
Channel Spacing: 25 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
Over Voltage 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: < ± 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: 21.4 MHz, 450 kHz
Sensitivity: - 122 dBm for 12 dB
SInAD unweighted
Selectivity: - 6 dB at + 7.5 kHz
- 72 dB at ± 25 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: < 205 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: 420 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.
TX3220 InSTRUCTIOn MAnUAL PAGE 11
*Specifications are typical unless otherwise indicated and may be subject to change without notice or obligation.