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产品说明 DDA-U800/2200-34四频终端天线是专门为移动通信系统的终端机设计生产的。该天线结构小巧，外形美观，安装方便。
电气参数
频率范围-MHz 824-896/880-960/1710-1880/1880-2170
带宽－MHz 136/460
增益-dBi 2.15
驻波比 ≤3.0
输入阻抗-Ω 50
极化方式 垂直
最大功率-W 50
接头型号 SMA弯头
方向性 全向
机械参数
天线长度-mm 106
重量-g
直径-mm 10.5
温度（℃） -35～80
湿度 5～95﹪
Shenzhen Toppoint Technology Co., LTD. is a high-tech enterprise focusing on the R&D, design, manufacture, sales & marketing of the wireless terminal antenna, RF cable & adapters, also is the professional supplier on the wireless transimission solutions.
●在深圳、湖北设立研发中心（湖北在筹建中），拥有一流的研发团队和自主知识产权
We have our own R&D center both in Shenzhen and Hubei (under construction), with the first class R&D team under own intellectual property.
为全球客户提供中国人的优质天线及无线解决方案
Provide the best antenna and wireless solutions for global customers
●顶点集团的价值观念就是服务顾客；
The values of Toppoint Group is to Serve customers
●核心能力是持续创新、快速响应
The Core competence is Constantly Innovation & Fast Response
每年投入销售额的8%以上作为研发费用！
Every year will take out 8% of product sales revenue and spend on R&D!
●创新是企业的生命。顶点尤其注重研发创新。
Innovation is the spirit of our company. Toppoint pays attention to R&D Innovation especially.
●顶点设立两个研发中心，一个在深圳，另个在湖北（筹建更大的微波暗室）Toppoint has 2 R&D center, one in Shenzhen, the other one is in Hubei (the bigger Microwave chamber is now under construction).
● 配备先进的天线测试设备及生产设备：多台进口矢量网络分析仪、频谱分析仪、微波暗室、自动天线测试场
Equipped with advanced Antenna Test Equipment and Production Equipment: Network Ananylzer, Frequency Ananylzer, Microwave Chamber, Automatic Antenna Test Field
●顶点集团研发部有着一支高素质的产品研发队伍，可根据市场需求，利用HFSS高频仿真软件，以及测试设备，及时开发新产品；可按样品或根据客户要求精确制造高增益高品质天线。
Toppoint manufacturing center has nearly 1000 square meters of R&D production base, with advanced antenna test equipment and production equipment, many sets of
Security Industry: China Electric Power Research Institute, State Grid、 No.50/52/53 Research Institute of China Electronics Technology Group Corporation , Aerospace Science & Industry Shenzhen Co., LTD
●公司始终坚持以客户为核心的企业经营理念，提供高品质的产品和服务。
Company always adhere to the customer as the core of enterprise management idea, provides the high quality products and services.
●公司在经营过程中，无论是新客户还是老客户，无论是大客户还是小客户，自始至终坚持双赢原则。
Companies in the business process, whether new customers or old customers, whether it is a big customer or small customer, insist on the principle of win-win cooperation all time along.
●坚持为客户的生存和发展创造奉献价值的经营理念。
Insist on the survival and development as our business philosophy to create dedicated value for customers.
●无论是个人还是团队都始终贯穿以客户为中心，追求一流品质、一流服务、一流的管理，追求从优秀到卓越的高境界。
Whether personal or team always take the customer as the center, the pursuit of first-class quality, first-class service, first-class management, the pursuit of high level from good to great.