Standard Gain Horn Antenna
Standard gain horn antennas are used as calibration devices that measure the gain of other antennas.
These antennas are made up of a combination of a Waveguide to Coax Adapter and Standard Gain Horn with Waveguide Input. It is a kind of simple combination but with great care and attention to create an antenna with accurate and suitable specs.
FT-RF Standard gain horn antenna product series includes waveguide sizes WR28, WR42, WR51, WR62, WR75, WR90, WR112, WR137, WR159, WR187, WR229, WR284 and WR340, WR430, WR510, WR650, WR770, WR975, WR1150, WR1500, WR1800, WR2100, WR2300, with broadband waveguide horn antennas have frequency capabilities ranging from 320Mhz to 40 GHz depending on type and style. with the gain of 10dBi, 15dBi, 20dBi and 25dBi.
Standard Gain Horn Antenna Applications:
- - Antenna measurement
- - Radar Detection System
- - Wireless Communication
- - Spectrum Monitoring
- - Electromagnetic interference Testing (EMI test)
大陸中心／陳佳鈴報導
大陸江西發生一起驚悚意外！一名5歲小男童因逗弄幼猴，遭到護子心切的母猴出手報復，直接將男童從約10公尺高的懸崖邊拉扯墜落。所幸墜落過程中男童被一棵大樹攔截擋住，消防隊員獲報後緊急垂降救援，才化解這場可能致命的危機。
根據陸媒報導，男童父親透露，當時兒子因年幼不懂事，出手逗弄身邊的小猴子。Horn antenna被一旁的母猴視為挑釁與威脅，隨即展開猛烈報復，用力拉扯男童導致其失足跌落懸崖。
男童墜落約10公尺深的山谷，幸運的是中途被茂密的大樹接住，緩衝了撞擊力道。消防隊員抵達後，繫上安全繩滑落深谷，成功將縮在樹叢中哭喊的男童救回。男童被母猴拖走一幕，也嚇壞了目擊的爸媽！男童被救上來後，經醫護人員初步檢查，男童除了受到極大驚嚇外，身體並無大礙。
影片與新聞曝光後，大陸的微博等社群平台也針對此事引發廣泛討論，網友大部分都譴責家長管教不當。網友指出，獼猴具備強烈領域感與護幼本能，「猴媽媽哪懂人類的小孩不懂事，牠只知道有人在欺負牠的孩子。」
不少網友更痛批家長就在身邊卻未及時制止，「網路上每天都有猴子傷人的新聞，大人難道沒有警覺心嗎？」、「請管好自己的孩子，不要去招惹野生動物。」也有網友指出，這次意外足以讓男童與家長記取一輩子的教訓。該畫面也在大陸社群廣傳，呼籲爸媽讓孩子接觸野生動物時，務必小心！
本文來自: https://www.setn.com/News.aspx?NewsID=1805568