waveguide Horn input

FT-RF specializes in producing:

• Military Antennas (Jammer Antenna, Military Horn antenna, Military vehicle antenna, Antenna Telescope Mast, Marine, Panel, Log Periodic antenna, Gooseneck, Whip, GPS, Connector, Adapter...) Please visit the website: https://military.ft-rf.com.tw/
• Outdoor Antenna and Indoor Antenna: Including Lora Antenna, ISM, LPWA antenna (868MHz antenna aka EU868, 915MHz antenna aka US915, 923MHz antenna aka AS923 and others.), 4G LTE antenna, 5G antenna, Wifi Antenna, Multi-Frequency Antenna, UHF antenna..., RF components, Cables and Connectors. We offer a variety of high-performance antennas for Global LoRaWAN applications, including 868 MHz, 915 MHz, 868 MHz, and 923 MHz... Our product line comprises both durable outdoor antennas and indoor high-performance dipole antennas that are suitable for a variety of LoRa applications, including Helium Network support. Please visit the website here: https://ft-rf.com.tw/. 
• Horn Antenna: RF Microwave Antennas, EMC test equipment (Double Ridged Horn Antenna, Open boundary double ridged horn antenna, Quad Ridged Horn Antenna, Standard Gain Horn antenna, Waveguide to coax Adapter, precision Sleeve Dipole Antenna, Log Periodic Antenna, Antenna Tripod, RF connectors... Please visit the website: https://horn.ft-rf.com.tw/

We provide measurement and calibration Tests, ODM, OEM services for certain products.

We have hundreds of customers from over 60 countries, and to meet their demands, we developed a plant in Vietnam (with a total infrastructure area of 10000 square meters, which includes three major buildings dedicated to operations and production) in addition to the main manufacturing facility in Taiwan. Now, we are focusing on automatic production lines and investing in automation equipment. In the future, we pledge to deliver the highest-quality product in the shortest possible period.

自俄羅斯入侵烏克蘭以來，烏克蘭軍人以寡敵眾，英勇抗戰的面貌令人相當敬佩，在俄軍逐漸撤出基輔周邊地區之際，烏克蘭志願軍日前就在社交軟體Telegram透露，一台烏克蘭坦克在首都近郊諾瓦巴桑（Nova Basan）單槍匹馬地轟炸一整排的俄羅斯戰車，無人機空拍畫面曝光後掀起熱議。

▲烏克蘭坦克以一打十，成功轟爆俄軍坦克。（圖／翻攝自推特）

綜合外媒報導，俄軍近來正撤軍離開基輔級周邊地區，事發當下約莫有12輛坦克與數十名步兵正撤離諾瓦巴桑，不過他們卻未發現在遠處埋伏的一輛烏克蘭的T-64坦克。從影片可見，在俄軍進入T-64坦克的攻擊範圍後，烏克蘭軍人發動攻擊向俄軍坦克開火，然而砲彈僅擊中坦克身邊的幾名步兵，沒打中目標。

俄軍驚覺埋伏後，隨即朝多個方向發動炮火回擊，現場頓時火光四射，眼見俄軍並未發現自己所在位置，烏克蘭士兵再次發動第二波攻擊，並成功擊中俄軍一輛BTR-82A裝甲運兵車，頓時被擊中的戰車冒出濃厚白煙，炸出橘紅色火光。由於烏克蘭坦克所藏位置相當隱秘，後來即使俄軍發現其隱藏方向，反擊砲火猛烈，仍成功躲過重重砲火並持續奮戰直到援兵抵達現場。

▲烏克蘭坦克躲在隱秘的角落，對俄軍戰車發動攻擊。（圖／翻攝自推特）

據分析人士指出，這台單槍匹馬的烏克蘭坦克至少摧毀了2輛俄軍裝甲運兵車，在烏克蘭援兵抵達戰場後，他們也發動如雨點般的砲火，狂轟試圖逃離的俄軍車隊，導致多輛俄羅斯坦克被炸成廢鐵，以及多名步兵身亡，損失慘重。儘管軍方目前並未透露伏擊的具體時間，但由俄軍展開撤離行動可得知，約莫於上週發生，因當時大量俄軍展開了撤離行動。

事實上，英勇抗戰的烏克蘭軍經常以寡敵眾之姿成功驅趕俄軍的入侵，就曾有一名烏克蘭士兵接受媒體公開訪問時透露，他們在收復基輔近郊村落盧基亞尼夫卡（Lukyanivka）時，竟以一打三，成功擊敗俄軍三台坦克，並在俄軍棄車逃跑後，成功收復3台坦克。

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The horn antenna is a broadband passive device, shaped like a pyramid horn, referred to as a TEM antenna, which guides the beam of radio waves at a precise frequency. FT-RF Double Ridged Horn antennas have frequency capabilities ranging from 400MHz to 40GHz depending on type and style. These series are characterized by a huge frequency range and extremely high input powers. With increasing frequency, the gain rises to a maximum of 18 dBi. At higher frequencies, the increased gain compensates for the increasing cable losses.

The advantages of Horn antenna:

- Wide bandwidth: Because the horn antenna has no resonant parts, it can function over a wide range of frequencies.

- Easy waveguide interface: These antennas are very easy to interface to waveguide due to their shape, but they can also be designed with a transition so that a regular coaxial feeder can be used.

- Easy to make, simple design.

The horn is suitable for both transmitting and receiving purposes, especially suitable for EMC and immunity test measurements.

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Footage captured by a Ukrainian military drone shows a Ukrainian tank ambushing a Russian Column in Nova Basan in Ukraine on last week. The stand-off was between the Dmytro Korchynsky Brotherhood Battalion and Russia. pic.twitter.com/sMbGGIC77y

— CBS News (@CBSNews) April 6, 2022