Gme TX3220 User Manual download pdf (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

NAD 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.

TX 3 2 2 0 IN S T R UCTION MANUAL PAGE 1 1

*Specifications are typical unless otherwise indicated and may be subject to change without notice or obligation.

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Gme TX3220 User Manual Page 11

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