5
Frequency range (MHz)
Mode
Antenna impedance
Operating temperature
Power requirements
Ground
Current drain
Frequency Stability
Dimensions (WxHxD) (mm)(Projections included)
Weight (kg)
Output power
Modulation
Spurious radiation
Maximum frequency deviation
Audio distortion(at 60% modulation)
Microphone impedance
Circuitry
Intermediate frequency 1st / 2nd
Sensitivity (12dB SINAD)
Selectivity
Squelch sensitivity
Audio output(10% distortion)
External speaker impedance
Note:1.Circuit and ratings are subject to change without prior notice due to advancement in technology.
2.Recommended duty cycle: 1 minute:Transmit, 3minutes Reception.
Transmit mode
Receive mode
HI
MID
LOW
AR-247AR-147 AR-447
250 to 270
230 to 250
222 to 225(USA)
144 to146
144 to148(USA) 430 to 440
TM281A
144 to148(THA)
COMMANDO 246BM
245 to 246(THA)
F3E(FM)
50Ω
-20˚C to +60˚C (-4˚F to +140˚F)
13.8V DC ±15%(11.7~15.8V)
Negative
Less than 9ALess than 12A
Less than 0.6A
Less than10A Less than12A Less than9A
Less than ±5ppm
140x40x166(5-1/2" x 1-37/64" x 6-17/32")
1.2(2.65lbs)
Approx 60W
Approx 25W
Approx 7W
Approx 30W
Approx 15W
Approx 7W
Approx 35W
Approx 15W
Approx 7W
Approx 60W
Approx 25W
Approx 7W
Approx 30W
Approx 15W
Approx 7W
Reactance modulation
Less than -80dB Less than -70dB Less than -65dB Less than -80dB Less than -70dB
±5kHz
Less than 3%(300 to 3000 Hz)
2.2kΩ
Dual conversion superheterodyne
10.7MHz/455kHz 30.85MHz/455kHz 30.85MHz/455kHz 10.7MHz/455kHz 30.85MHz/455kHz
Less than 0.18 uV
70 dB 70 dB 65 dB 70 dB 70 dB
Less than 0.1 uV Less than 0.177 uV Less than 0.177 uV Less than 0.177 uV Less than 0.177 uV
More than 2W across 8Ω load
8Ω
2. SPECIFICATIONS
General
Transmitter
Receiver
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