GME TX3420 - Manual (Page 23)

t X 3 4 2 0 i n s t r u c t i o n m A n uA l PA G E 2 3
eNViroNmeNtal
temperature range: -10°c to +60°c
electrical
geNeral
compliant
specification: As/nZs 4365
frequency range tX: 476 .425-477 .4 mhz
frequency range rX: 403-520 mhz
number of channels: 80 uhf cb + 19 receive only
channel spacing: 25 khz tX/rX, 12 .5 khz rX only
operation mode: simplex channels 1-40
semi duplex channels 1-8 .
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 Volts dc max . At 18 Volts dc
the rf power is reduced, and the
words ‘hi dc’ flash .
over current
Protection: in-line 2A fuse
reverse
Polarity Protection: shunt diode
frequency stability: +/-2 .5 ppm
selcall tone length: 40 ms
transmitter
rf output: 5 .0 Watts max .
frequency transients
during switching: < 3 khz
modulation: fm
maximum deviation: < ± 2 .5 khz at + 20 db limiting
spurious Emissions: < - 70 dbc
transmit frequency
response: + 6 db per octave
300 hz to 3 khz + 1-3 db .
Audio signal to noise: > 45 db
current consumption: 1 .5 Amps with 50 ohms termination
receiver
circuit type: double conversion superheterodyne
intermediate
frequencies: 1st - 38 .85 mhz
2nd - 450 khz
current consumption: < 200 mA muted
600 mA @ max . A .f output
sensitivity: - 123 dbm for 12 db sinAd
unweighted
selectivity: - 6 db at + 7 .5 khz
- 70 db at ± 25 khz
intermodulation
immunity: 73 db
blocking immunity: 100 db
spurious response
immunity: 70 db
Audio Power: 3 Watts average into 4 ohms
Audio signal to noise: > 45 db
receive frequency
response: - 6 db/octave de-emphasis
300 hz to 3 khz + 1-3 db
conducted spurious
Emission: < - 57 dbm
mechaNical
dimensions: 29 (h) x 128 (l) x 117 (d) mm
Weight: 640 grams
shock and Vibration: mil std 810 method
sPEcIFIcATIONs*
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 .125 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 .990 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 60 475 .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 are typical unless otherwise indicated and may be subject to change without notice or obligation.