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IC-U400 - Mobile UHF Radio
Quick Specs
Mobile UHF Transceiver
RX/TX: 450-480 MHz
Output power: 35 W
Modes: FM
Receiver sensitivity: 0.35 µV (FM, 12 dB SINAD)
CTCSS standard
Frequency Coverage:
450~480 MHz (Middle-band version)
Channel spacing: 25 kHz
Number of channels: 16
Mode: FM (16K0F3E) (8K50F3E for narrow type)
Antenna impedance: 50 ohms (unbalanced)
Power Supply Requirement: 13.8 V DC ±15% (negative ground)
Current drain (at 13.8 V DC):
Transmit: 10.5 A
Receive (squelched): 500 mA
Receive (max. audio power): 1.2 A
Usable Temperature Range: -30°C to +60°C; -22°F to +140°F
Frequency stability: ±0.0005% (-30°C ~ +60°C)
Dimensions (projections not included): 170(W) x 50(H) x 260(D) mm; 6.7(W) x 2.0(H) x 10.2(D) in
Weight: 2.6 kg; 5.7 lb
TRANSMITTER
Output power: 35 W
Modulation system: Variable reactance frequency modulation
Max. frequency deviation: ±5.0 kHz
Spurious emissions: -70 dB
Harmonic emissions: -70 dB
Microphone impedance: 600 ohms
RECEIVER
Receive system: Double-conversion superheterodyne
Modulation acceptance: ±7 kHz
Intermediate frequencies:
1st: 21.8 MHz
2nd: 455 kHz
Sensitivity (for 12 dB SINAD): 0.35 µV
Squelch sensitivity (threshold): 0.5 µV
Adjacent channel selectivity: -70 dB (-60 dB for narrow type)
Intermodulation rejection: -70 dB
Spurious and image rejection: -70 dB
Audio output power: 5 W with a 4 ohms load.(4 W for narrow type)
Audio output impedance: 4 ohms
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