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ST-408TR 无线485数字指令双向收发器

型号
ST-408TR
广州市辉视达电子有限公司

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红外摄像机,防水摄像机,智能球,无线影音收发器,镜头,无线摄像机,对讲报话器,以及安防周边产品


 


   广州市辉视达电子有限公司成立于1999年,总部设在广州, 是一家专业从事安防监控产品研发、生产、销售为一体的高科技企业,主导产品包括:红外防水机、红外半球机、无线红外机、3x自动聚焦摄像机、智能球机、无线影音收发器、镜头以及监控周边产品等。

   
辉视达以*的技术实力和科技振兴企业的思路,引进业内的高级工程师及管理人才,研发制造Huishida(辉视达) Shentian(深田) 系列品牌摄像机,产品通过中国*检测合格,并获得CEFCC等证书,公司产品全国各地和海外部分国家,深受业界人士和客户的好评。


 展望未来,我们将继续以创新、求实、守信,服务为企业精神,期待您的诚信加盟与合作,争创更新、更好的产品,让我们一同携起手来,共创我们美好的明天。


 


 


Introduction of Company


Huishida Electronics Ltd (1999), a privately held business entity headquartered Guangzhou, is a high technical and professional security monitoring production company which has its own manufacture, R&D and marketing department. Our main products are: IR Waterproof Camera, wireless infrared machines, 3x auto-focus camera and smart ball machine series and so on.


We have organized the company into focused advanced technology and design capabilities. As the key player in electronics manufacture service industry, we ‘re always on the lookout for senior engineers and management personnel to succeed and grow with us. There are two brands of our cameras that are Huishida and Shentian. All our products have been passed examination by China Public Security Ministry and held an extensive number of certifications, licenses like CE and FCC. It gratified to get that our products have a favorable reception from the local and oversea markets.


Looking ahead, we will continue to be innovative, practical, and trustworthiness as the entrepreneurial spirit, looking forward to your joining and cooperation in good faith, and striving for newer and better products, let us join hands together to create our beautiful future.


 

详细信息



: ST-408系列无线指令收发器采用*的频率合成技术,CPU锁相环控制,(频率:150MHz/230MHz/350MHz/450MHz,波特率:1200bps/2400bps/4800bps,调制解调:MSK/FSK/GMSK,发射功率:500mW~25W,参考距离:1Km-50Km).标准的(RS-485/RS-232/TTL)外围接口电路组成。具有安装方便、使用简单、性价比高、稳定可靠等特点。适合于点对点、点对多点的无线数据通信方式。可广泛应用于遥控、遥感、遥测数据采集、报警、GPS定位信息回传,配合硬盘录像机、矩阵、控制键盘,可远程控制高速球、智能恒速球、云台、镜头及各种监控周边设备。 
<br>1、综合指标&nbsp;
<br>·工作频段:&nbsp;230MHz&nbsp;
<br>·频率容差:±5ppm&nbsp;
<br>·通信间隔:25KHz&nbsp;
<br>·天线阻抗:50Ω&nbsp;
<br>·环境温度:-25℃~+60℃&nbsp;
<br>·数据传输速率:&nbsp;2400bps&nbsp;
<br>2、接收指标&nbsp;
<br>·可用灵敏度:≤0.25uV&nbsp;
<br>·信噪比:≤-45dB&nbsp;
<br>·邻道选择性:≥60dB&nbsp;
<br>·散杂响应:≥60dB&nbsp;
<br>·互调抗性:≥55dB&nbsp;
<br>·接收电源:60mA&nbsp;
<br>3、发射指标&nbsp;
<br>·发射功率:1000mW&nbsp;
<br>·发射电流:450mA&nbsp;
<br>·调制方式:MSK/FSK/GMSK&nbsp;
<br>·调制失真:≤3%&nbsp;
<br>·数传频偏:≤5KHz&nbsp;
<br>·邻道功率:≤-60dB&nbsp;
<br>·杂散射频分量:≤5uW&nbsp;
<br>·剩余调频:≤-40dB&nbsp;
<br>·参考距离:≤3Km&nbsp;
<br>·工作电源:AC220V&nbsp;
<br>·天线接口:SMA-50欧姆&nbsp;
<br>·输出(入):AUTO(自动)&nbsp;
<br>·信号接口:RS-485(A+&nbsp;B-)&nbsp;
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