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DESCRIPTION
AT-5555N has FM,AM,USB,LSB,PA modulation mode. The menu function and PC programming software are very flexible. Programmable RB sound function.
Function:
• Mode: AM, FM, USB, LSB, PA, CW.
• PEP: AM 45W ; FM 30W; SSB 30W.
• ASQ function.
• Large LCD display.
• ECHO function.
• Frequency programmable on computer.
• Dual Watch.
• EMG channel CH9/19.
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GENERAL |
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Frequency Range |
28.000-29.700MHz(Programmable) |
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Frequency Band |
A/B/C/D/E/F/G/H/I |
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Channel |
40channels(programmable)in each band |
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Frequency Control |
Phase-Locked-Loop Synthesizer |
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Frequency Step |
100Hz,1KHz,10KHz,100KHz,1MHz |
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Frequency Tolerance |
0.005% |
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Frequency Stability |
0.001% |
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Temperature Range |
-20℃to +50℃ |
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Microphone |
with push-to-talk /UP/DN and coiled cord |
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Input Voltage |
13.8V |
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Dimensions (in mm) |
250(W) x280(L) x 60(H) |
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Weight |
1.5kg |
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Antenna Connector |
UHF, SO239 |
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TRANSMITTER |
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Power Output |
AM: 12W / FM: 30W / SSB: 30W(PEP) |
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Drain |
8A(with modulation) |
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Modulation |
AM/FM/USB/LSB |
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Inter-modulation Distortion |
SSB: 3rd order, more than -25dB; 5th order, more than -35dB |
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SSB Carrier Suppression |
55dB |
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Unwanted Sideband |
50dB |
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Frequency Response |
AM/FM: 300 to 3000Hz SSB: 450 to 2500Hz |
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Output Impedance |
50ohms, unbalanced |
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RECEIVER |
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Sensitivity |
SSB: 0.25μV for 10dB(S+N)/N at greater than 1/2-watt of audio output AM:1.0μV for 10dB(S+N)/N at greater than 1/2watt of audio output FM: 1.0μV for 20 dB (S+N)/N at greater than 1/2 watt of audio output |
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Adjacent-Channel Selectivity |
AM/FM: 60dB SSB: 70dB |
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Image Rejection |
More than 65dB |
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IF Frequency |
AM/FM: 10.695MHz 1st IF, 455KHz 2nd IF SSB: 10.695MHz |
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RF Gain Control |
45dB adjustable for optimum signal reception |
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Automatic Gain Control(AGC) |
Less than 10dB change in audio output for inputs from 10 to 100,000 microvolt. |
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Squelch |
Adjustable; threshold less than 1.0μV. Automatic Squelch Control(only AM/FM)1.0μV |
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Audio Output Power |
3 watts into 8 ohms |
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Frequency Response |
AM/FM: 300 to 3000Hz SSB: 450 to 2500Hz |
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Built-in Speaker |
8 ohms, round. |
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External Speaker(Not Supplied) |
8 ohms; disables internal speaker when connected. |
Standard package:
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