at5555 cb radios for sale
FUNCTIONS & FEATURES
1 Big LCD 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 bands in total, with 60 channels at most in each band to be programmed.
7 Frequency Tuning Step can be 10HZ, 100HZ, 1KHZ or 10KHZ.
8 Multiple CLARIFIER Operating Modes
9 Flexible menu functions and PC programming software to meet varied customer demands
10 ECHO Function
11 SQ, ASQ Function (FM and AM mode only)
12 RF GAIN ADJUSTMENT
13 RF PWR ADJUSTMENT
14 SCAN FUNCTION
15 RB FUNCTION
16 NB/ANL FUNCTION
17 DW DUAL-WATCH FUNCTION
18 BEEP VOICE PROMPT
19 +10KHZ Function
20 SWR,S/RF,DC Voltage display function
21 TOT function
22 HI-CUT FUNCTION
23 EMG CALL
24 SWR PROTECTION
25 POWER SUPPLIED VOLTAGE PROTACTION
26 Key-Lock Function
AT-5555 specification
General
Frequency Range
25.615MHZ—30.105MHZ (Programmable)
Frequency Band
A/B/C/D/E/F
Channel
60 channels (programmable) in each band
Frequency Control
Phase-Locked-Loop Synthesizer
Frequency Step
10Hz 100Hz 1KHz 10KHz
Frequency Tolerance
0.005%
Frequency Stability
0.001%
Temperature Range
-30°Cto +50°C
Microphone
Plug-in dynamic; with push-to-talk /UP/DN/ ASQ switch and coiled cord
Input Voltage
DC 13.8V normal, 15.9V max; 11.7V min Transmit: AM full mod 5A Receiver: Squelched 0.6A SSB 21W PEP output 6A
Size
28*25*6CM
Weight
2.8KG
Antenna Connector
UHF,SO239
TRANSMITTER
Power Output
AM/FM/CW: 12W SSB:21W(PEP)
Modulation
High and low level class B Amplitude Modulation: AM
Varied Capacitance Frequency Modulation: FM
Inter-modulation Distortion
SSB: 3rd order, more than -25dB; 5th order, more than -35dB
SSB Carrier Suppression
55dB
Unwanted Sideband
50dB
Frequency Response
AM and FM: 450 to 2500HZ
Saida Impedancia
50ohms, unbalanced
Sensitivity
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.
Selectivity
AM/FM:6dB 3KHz,50dB 9KHz
SSB: 6 dB 2.1KHz,60dB 3.3KHz
Image Rejection
More than 65dB
IF Frequency
AM/FM: 10.695 MHz 1st IF, 455 KHz 2nd IF SSB: 10.695 MHz
Adjacent-Channel
60dB AM/FM &70 dB SSB
Rejection
RF Gain Control
45 dB adjustable for optimum signal reception
Automatic Gain Control(AGC)
Less than 10 dB change in audio output for inputs from 10 to 100,000 microvolt.
Squelch
Adjustable; threshold less than 0.5 μV.
Automatic Squelch Control(only AM/FM) 0.5 μV
ANL
Switchable
Noise Blanker
RF type, effective on AM/FM and SSB
Audio Output Power
4 watts into 8 ohms
Frequency Response
300 to 2800 Hz
Built-in Speaker
8 ohms, round.
External Speaker(Not Supplied)
8 ohms; disables internal speaker when connected.
at5555 CB收音机出售
功能及特点
大屏幕液晶显示频率和各种信息
2双通道显示的数码管
3使用EL背光技术
4 PA , CW,AM ,FM, USB , LSB模式
5 ,A,B ,C,D ,E,F
6阶累计,最多有60个信道在每个频带进行编程。
7频率调谐的步骤可以是10HZ , 100HZ ,1KHZ或10kHz 。
8个多澄清工作模式
9灵活的菜单功能和PC编程软件,以满足不同客户的需求
10回声功能
11 SQ ,ASQ功能( FM和AM模式)
12 RF增益调整
13 RF PWR调整
14扫描功能
15 RB功能
16 NB / ANL功能的
17 DW双手表功能
18蜂鸣语音提示
19 +10 KHZ功能
20 SWR , S / RF ,直流电压显示功能
21 TOT功能
22 HI - CUT功能
23肌电CALL
24驻波比保护
25供电电压PROTACTION
26键锁功能
AT -5555规范
一般
频带
25.615MHZ 30.105MHZ (可编程)
频带
A / B / C / D / E / F
渠道
在每个频带中的60个信道(可编程)
频率控制
锁相回路合成器
频率步进
10Hz的100Hz的1KHZ 10KHZ
频率公差
0.005%
频率稳定度
0.001%
温度范围
-30 ° CTO +50°C
麦克风
插件动态;推交谈/ UP / DN / ASQ开关和螺旋线
输入电压
最大15.9V DC 13.8V正常, 11.7V分钟发送: AM国防部5A接收器:压制0.6A SSB 21W PEP输出6A
大小
28 * 25 * 6CM
重量
2.8KG
天线连接器
UHF , SO239
变送器
输出功率
AM / FM / CW :12W SSB : 21W ( PEP )
调制
高和低的水平B级调幅AM
丰盛的电容频率调制方式: FM
互调失真
国家统计局:三阶,超过25分贝;五阶,超过35分贝的
SSB载波抑制
55分贝
无用边带
50分贝
频率响应
AM和FM : 450至2500HZ
赛伊达Impedancia的
50欧姆,不平衡
感性
SSB : 0.25μV 10分贝( S + N ) / N在音频输出大于1/2-watt 。
AM : 10分贝( S + N) / N大于1/2watt音频输出1.0μV 。
FM 1.0 μV为20分贝( S + N) / N大于1 /2瓦音频输出。
选择性
AM / FM : 3KHZ 6分贝, 50分贝9KHZ
国家统计局: 6分贝2.1KHz , 60分贝的3.3kHz的
镜像抑制
大于65dB
IF频率
AM / FM : 10.695 MHz的第一中频,第二中频455千赫SSB : 10.695兆赫
相邻通道
60分贝AM / FM及70分贝SSB
拒绝
RF增益控制
45分贝调节最佳的信号接收
自动增益控制(AGC)
小于10 dB的变化从10到100,000微伏的输入音频输出。
静噪
可调节阈值小于0.5 μV 。
自动静噪控制( AM / FM) 0.5 μV
ANL
切换
噪声抑制器
RF型,有效的AM / FM和SSB
音频输出功率
4瓦到8欧姆
频率响应
300到2800赫兹
内置扬声器
8欧姆,圆形。
外部扬声器(不提供)
8欧姆;禁用内置扬声器连接时。
[ 此帖被bd5tad在2013-11-04 14:32重新编辑 ]