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UHF180 Technical Specification
Compliance
AS/NZS 4365:2011
Frequency Range TX
476.425 - 477.4125 MHz
Frequency Range RX
400 - 512MHz
Number of TX/RX Channels 75 UHF CB
Number of user programmable RX only
Channels
200
Channel Spacing TX/RX
12.5KHz
Wide Band Scanner
400~512, 400~420, 420~450, 450~470,
470~512mHz
Operating modes
Simplex, Repeater TX offset (+750kHz)
Selcall ID
5 Digit with alpha display
Scanning Speed
130 msec per channel
Antenna Impeadance
50 Ohms
Operating Volts nominal
13.8 VDC
Operating Volts Range
10 to 15 VDC
Over Voltage Protection
Diode and voltage regulator
Over Current Protection
2 Amp fuse
Reverse Polarity Protection
Shunt diode
Frequency Stability
+/- 5ppm
Transmitter
RF Output Power
Nominal 5watts
Modulation
F3E (FM)
Maximum Deviation
2.5kHz
Spurious Emissions
< -30 dBm
TX Audio pre-emphasis
+ 6dB/octave from 300Hz to 3kHz
Current Consumption during TX
1.6 Amps with 50 Ohm antenna termination
Reciever
Circuit Type
Dual conversion superheterodyne
IF Frequencies
1st IF = 30.85MHz , 2nd IF = 450kHz
Current Consumption during RX
200mA
Sensitivity
> -123dBm at 12dB SINAD
Sensitivity Receive only channels
< -110dBm for 12dB SINAD
Selectivity
+/-3.75kHz min @ 3dB to +/-15kHz max @
40dB
UHF180 Technical Specification