Description
1. Large LCD panel which displays frequency and all kinds of information
2. DUAL-DIGITAL TUBE FOR CHANNEL DISPLAY
3. USE EL technology for backlight
4. PA、CW、AM、FM、USB、LSB mode
5. A、B、C、D、E、F , 6 banks in total, where 60 channels at least can be individually programmed.
6. Frequency Tuning Step can be 10HZ, 100HZ, 1KHZ or 10KHZ.
7. Multiple CLARIFIER Operating Modes
8. Flexible menu functions and PC programming software to meet varied customer demands
9. ECHO Function
10. SQ, ASQ Function (FM and AM mode only)
11. RF GAIN ADJUSTMENT
12. RF PWR ADJUSTMENT
13. SCAN FUNCTION
14. RB FUNCTION
15. NB/ANL FUNCTION
16. DW DUAL-WATCH FUNCTION
17. BEEP VOICE PROMPT
18. +10KHZ Function
19. SWR、S/RF、DC Voltage display function
20. TOT function
21. HI-CUT FUNCTION
22. EMG CALL
23. SWR PROTECTION
24. POWER SUPPLIED VOLTAGE PROTACTION
25. Key-Lock Function 26. VOX function 27. CTCSS/DCS code 28. RX compander: noise blanker 29. Noise gate setting: mic noise adjustable 30. RX Noise Reduction (only AT-5555PLUS/N) 31. Compatible with “electronic” and “dynamic” MIC type
Specification
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GENERAL
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Modulation Mode
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AM, FM, USB, LSB, PA, CW.
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Frequency Range
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28.000MHz-29.700MHz
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Frequency Tolerance
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±5.0ppm
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Frequency Band
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A/B/C/D/E/F
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Channel
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60 channels (programmable) in each band
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Input Voltage
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13.2V
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Frequency Control
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Phase-Locked-Loop Synthesizer
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Frequency Step
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10Hz 100Hz 1KHz 10KHz
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Frequency Tolerance
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0.005%
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Frequency Stability
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0.001%
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Dimensions
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28*25*6CM
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Weight
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1.5KG
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Temperature Range
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-30℃to +50℃
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Microphone
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Plug-in dynamic; with push-to-talk /UP/DN/ ASQ switch and coiled cord
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Antenna Connector
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UHF, SO-239
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Input Voltage
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DC 13.8V normal, 15.9V max; 11.7V min Transmit: AM full mod 6A Receiver: Squelched 0.8A SSB 30W PEP output 9A
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TRANSMITTER
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Power Output
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AM/CW:1-12W(adjustable) FM:1-40W(adjustable) USB/LSB:1-35W(adjustable
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Modulation
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High and low level class B Amplitude Modulation: AM Varied
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SSB Carrier Suppression
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55dB
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Inter-modulation Distortion
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SSB: 3rd order, more than -25dB; 5th order, more than -35dB
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Unwanted Sideband
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50dB
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Frequency Response
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AM and FM: 450 to 2500Hz
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Output impedance
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50ohms, unbalanced
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Sensitivity
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SSB: 0.25μV for 10dB(S+N)/N at greater than 1/2-watt of audio output. AM:1.0μV for 10 dB(S+N)/N at greater than 1/2watt of audio
output. FM: 1.0 μV for 20 dB (S+N)/N at greater than 1/2 watt of audio output.
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Selectivity
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AM/FM:6dB@3KHz,50dB @9KHz SSB: 6 dB@2.1KHz,60dB @3.3KHz
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Image Rejection
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More than 65dB
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IF Frequency
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AM/FM: 10.695 MHz 1st IF, 455 KHz 2nd IF SSB: 10.695 MHz
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Adjacent-Channel
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60dB AM/FM &70 dB SSB
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RF Gain Control
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45 dB adjustable for optimum signal reception
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Automatic Gain Control(AGC)
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Less than 10 dB change in audio output for inputs from 10 to 100,000 microvolt.
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Squelch
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Adjustable; threshold less than 0.5 μV. Automatic Squelch Control(only AM/FM) 0.5 μV
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ANL
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Switchable
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less than 1uV
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Noise Blanker
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RF type, effective on AM/FM and SSB
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Audio Output Power
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4 watts into 8 ohms
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Frequency Response
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300 to 2800 Hz
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Built-in Speaker
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8 ohms, round.
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External Speaker(Not Supplied)
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8 ohms; disables internal speaker when connected.
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