专业订制级联型多路切换开关厂家

中山市伟讯电子科技有限公司属中山（珠海）市科学技术**认定的**产业。公司以客户满意为目标，以“高起点、高品质、高效率”为经营理念，致力于推动我国卫星及其有线电视产业的发展。
中山市伟讯电子科技有限公司是一家专业卫星电视及有线电视*材开发、生产、销售为一体的高新企业，公司产品均采用国内外先进技术、设备和仪器生产，产品种类丰富多样，卫星设备主要产品：DiSEqC切换开关、0/22K切换开关、多路切换开关、功分器、卫星线放、混频器、２.4G/5.8G音/视频无线传送器；有线电视设备主要产品：室内用户放大器、干线放大器、用户盒、室内分支分配器、野外分支分配器、集中型和阶梯型分支分配器等等。

按照用途分类：波动开关，波段开关，录放开关，电源开关，预选开关，限位开关，控制开关，转换开关，隔离开关，行程开关，墙壁开关，智能防火开关等。
按照结构分类：微动开关，船型开关，钮子开关，拨动开关，按钮开关，按键开关，还有时尚潮流的薄膜开关、点开关。
按照接触类型分类：开关按接触类型可分为a型触点、b型触点和c型触点三种。接触类型是指，“操作（按下）开关后，触点闭合”这种操作状况和触点状态的关系。需要根据用途选择合适接触类型的开关。
按照开关数分类：单控开关、双控开关、多控开关、调光开关、调速开关、防溅盒、门铃开关、感应开关、触摸开关、遥控开关、智能开关、插卡取电开关、浴霸**开关。
GSM-9916E
产品型号：GSM-9916E
品 名：终端型九进十六出多路切换开关
材 质：马口铁与塑胶构成
接 口: -5英制F头
产品特点:
优质马口铁与塑胶构成精美外壳，更易于安装
优质元器件，线路专业设计，损耗小
内置18V、1500mA电源能直接连接180-250V交流市电
22KHz信号输出功能，兼容更多高频头
增益可调功能，使输出更均衡，接收节目更容易
接收机输出13/18V、0/22KHz、DiSEqC1.0/2.0经过同轴电缆使切换开关切换
到相应的端口
能同时接入八路卫星电视信号、一路天线电视信号或调频广播
通过13/18V、0/22KHz、DiSEqC2.0切换八路卫星电视信号
可同时分十六个用户使用，互不干扰
适用于多星多机使用



参数说明:


项 目


参 数


项 目


参 数


天线端频率范围


5-860(MHz)


天线端输入反射损耗


12(dB)


卫星端频率范围


950-2150(MHz)


输出发射损耗


8(dB)


天线插入损耗


5(dB)


天线信号输出功率电平


88(dBuV)


卫星插入损耗


4(dB)


卫星信号输出功率电平


100(dBuV)


卫星输入/卫星输入相互隔离


25(dB)


正常工作电压


12-20(V)


卫星输入/天线输入相互隔离


25(dB)


工作消耗电流


200(mA)


输出端口相互隔离


25(dB)


直流供电


20V（±1）2000mA
卫星输入开关隔离


28(dB)


适用温度范围


-20℃-60℃
卫星端输入反射损耗


10(dB)


端口阻抗


75（Ω）


控制切换电压/信号：13/18V、0/22KHz、DiSEqC 1.0、2.0
连接头："F"型英制
选用接点金属也需考虑其电导率、硬度、机械强度、成本及是否有毒等因素。有时会在接点上电镀抗腐蚀金属。一般会镀在接点的接触面，以避免因氧化物而影响其性能。有时接触面也会使用非金属的导电材料，如导电塑胶。
GSM-5801
Product Name : 5 in 8 Multiswitch
Model : GSM-5801
Switching Voltage/Signal :
13/18V、0/22KHz
Connectors:“F” type female
Product features:



Excellent quality tinplate housing and exquisite plastic case shell attached, making installation convenient
Excellent quality component, professional amplification design and low loss
An external 20V、700mA DC power offering more stable operation
13/18V、0/22KHz supplied by satellite receiver through coaxial cable to switch corresponding port
Capable of connecting four SATV **s, one ANT ** or FM broadcast simultaneously
Four SATV **s switched through 13/18V、0/22KHz
Distributed into eight subscribers to use simultaneously and no mutual interference
Applicable to multi-satellite and multi-receiver usage


Parameter description:



Item
Specification


Item Specification
Frequency Range ANT 5-860(MHz) Return Loss ANT Input 12(dB)
Frequency Range SAT 950-2150 (MHz) Return Loss Outputs 8(dB)
Insertion Loss ANT 5(dB) Output Level ANT 85(dBuV)
Insertion Loss SAT 3(dB) Output Level SAT 100(dBuV)
Isolation In-In SAT 25(dB) Normal Working Voltage 12-20 (V)
Isolation In-In SAT/ANT 25(dB) DC Power Consumption 45(mA)
Isolation Between Outputs 25(dB) Supply Voltage 20V（±1）700mA
Switching Isolation SAT Inputs 28(dB) Temperature Range -20℃-60℃
Return Loss SAT Inputs 10(dB) Impedance(all ports) 75(Ω)

Company profileHome > Company profile
Zhongshan Visat Electronics Co., Ltd.
Zhongshan Visat Electronics Co., Ltd. is founded in Zhongshan (Zhuhai) and approbated as high-tech industries by Committee of Science and Technology. Visat takes “Customer Satisfaction” as our goal. Visat strive for "Higher starting point, Higher quality, and Higher efficiency", and dedicate to promoting China's satellite and cable television industries.
Zhongshan Visat Electronics Co., Ltd. is one of the most professional high-tech enterprises, which specializes in developing, manufacturing and marketing SATV and CATV equipments. Visat adopts advanced technology, equipments and instruments in order to offer high quality products in varied forms. Our main products includes DiSEqC switch, MultiSwitch, 0/22KHz controlled switch, Satellite Splitter, In-Line Amplifier, Satellite Finder, A/V Sender , IR Remote Extender, Indoor Splitter, Indoor Tap, Outdoor Splitter, Outdoor Tap, CATV Amplifier, Modulator, Wall Sockets, Isolator, Attenuator, Filter, Lightning protector, SAT/ANT Diplexer,etc.
Zhongshan Visat Electronics Co., Ltd takes “Technical Innovation” as developing concept. Because of Advanced R & D team and good relationship between Visat and Clients all over the world, Visat finds its development direction, and never stops our step to innovate. We continuously promote new model products to fit for the trend of SATV and CATV development, so that we can meet the needs of our customers to support their businesses. We believe that we can make more progress through cooperation and common development.
开关的词语解释为开启和关闭。它还是指一个可以使电路开路、使电流中断或使其流到其他电路的电子元件。较常见的开关是让人操作的机电设备，其中有一个或数个电子接点。接点的“闭合”（closed）表示电子接点导通，允许电流流过；开关的“开路”（open）表示电子接点不导通形成开路，不允许电流流过。