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TW1721/TW1722 GNS
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代理商北京北斗联星科技有限公司自成立以来,一直立足于成为一家专业卫星导航,惯性导航,海洋仪器解决方案提供商,经过几年的不懈努力,公司已发展为一家集卫星定位设备,惯性导航,海洋仪器销售,行业市场推广,新产品研发为一体的具有相当实力的专业公司;
北京北斗联星科技有限公司主营产品有:北斗/GPS手持机,船用北斗/GPS,北斗/GPS接收机,GIS手持机,北斗/GPS模块,GPS姿态仪,北斗/GPS天线,北斗/GPS信号转发器,北斗/NTP网络时间服务器,北斗/PTP同步时钟,北斗/GPS时钟;陀螺,AHRS系统,加速度计,GPS/IMU;等设备,欢迎大家来电来信咨询。
北京北斗联星科技有限公司专致力于北斗卫星导航定位,GNSS/惯性导航,GNSS授时 GNSS测速事业,以其长期的技术积累和对北斗卫星导航、GNSS/惯性导航,授时 导航 定位 测速系统的深刻理解,着力探讨推动GNSS,惯性导航在多个领域的应用,从市场引导、需求分析、产品供应、系统集成、运营服务、技术咨询服务等方面为用户提供*一站式服务。
The TW1721/TW1722 is a compact, wideband Accutenna® technology GNSS antenna from Tallysman that provides accurate reception for all upper L- band GPS, GLONASS, Beidou, and Galileo signals ( L1, G1, B1, B1 BOC, B1-2, E1) and associated augmentation signals (WAAS, EGNOS and MSAS). The TW1721/TW1722 features a novel 25mm dual feed wideband patch element that, in sharp contrast with its competitors, provides a truly circularly polarized response, with a typical axial ratio of less than 2dB over the full bandwidth. This provides a more linear carrier phase response and substantially improved multipath rejection for higher precision applications. The built-in 35mm circular ground plane should ideally be augmented with a local system ground plane or reflecting surface (DC connection not required). The TW1722 is the pre-filtered version of the TW1721. The pre-filter provides protection from strong near frequency or harmonic signals, such as LTE. OEM antennas are easily detuned by the local environment. Tallysman offers custom tuning services for optimized integration into OEM end-user modules.
Applications :? High Accuracy BeiDou, Galileo, GPS & GLONASS ? Precision Agriculture, Mining & Construction ? Military & Security ? Avionics ? Law Enforcement & Public Safety ? Fleet Management & Asset Tracking