Specifications – GME TX4600 User Manual
Page 29
TX4600
INSTRUCTION MANUAL
PAGE 29
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 - 477.4125 MHz
Frequency Range RX: 403 - 520 MHz
Number of Channels: 80 UHF CB + 19 Receive only
Channel Spacing: 12.5 kHz only
Operation Mode: Simplex Ch1 - 80
Semi Duplex Ch 1 - 8, 41 - 48
Scanning Speed: 20 channels per second
Antenna Impedance: 50 Ohms nominal
Operating Voltage Range: 10 - 15 volts DC
Nominal Battery Voltage: 13.8 volts DC
Over Voltage Protection: 30 V DC max. At 18 V DC the RF power is reduced,
and the words ‘Hi DC’ flash.
Over Current Protection: In-line 3A Fuse
Reverse Polarity Protection: Shunt Diode
Frequency Stability: ± 2.5 PPM
SelCall Tone Length: 40 ms
Transmitter
RF Output: 5.0 watts max.
Spurious Emission: < - 67 dB
Frequency Transients
during switching: < 3 kHz
Modulation: FM
Maximum Deviation: < ± 2.5 kHz at + 20 dB
Spurious Emissions: < - 26 dBm
Transmit Frequency Response:
+ 6 dB per octave 300 Hz to 3 kHz + 1 - 3 dB.
Audio Signal to Noise: > 45 dB
Out of Band Emission: - 70 dBc
Current Consumption:
1.7 amps with 50 Ohm termination
Receiver
Circuit Type: Double conversion Superheterodyne
Intermediate Frequencies: 1st - 21.4 MHz
2nd - 450 kHz
Current Consumption: < 260 mA muted
600 mA @ max. A.F Output
50 Tone
Set
38 Tone
Set
Frequency 50 Tone
Set
38 Tone
Set
Frequency 50 Tone
Set
38 Tone
Set
Frequency
1
1
67.0
18
17
118.8
35
-
183.5
2
-
69.4
19
18
123.0
36
30
186.2
3
2
71.9
20
19
127.3
37
-
189.9
4
3
74.4
21
20
131.8
38
31
192.8
5
4
77.0
22
21
136.5
39
-
196.6
6
5
79.7
23
22
141.3
40
-
199.5
7
6
82.5
24
23
146.2
41
32
203.5
8
7
85.4
25
24
151.4
42
-
206.5
9
8
88.5
26
25
156.7
43
33
210.7
10
9
91.5
27
-
159.8
44
34
218.1
11
10
94.8
28
26
162.2
45
35
225.7
12
11
97.4
29
-
165.5
46
-
229.1
13
12
100.0
30
27
167.9
47
36
233.6
14
13
103.5
31
-
171.3
48
37
241.8
15
14
107.2
32
28
173.8
49
38
250.3
16
15
110.9
33
-
177.3
50
-
254.1
17
16
114.8
34
29
179.9
CTCSS Frequency shown in Hz
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28/08/13 11:22 AM