Standard Gain Horn Antenna
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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)
果粉崩潰！ 更新iOS 18再傳災情 「充電異常」太誇張
蘋果在9月17日正式推出iOS 18作業系統。眾多令人驚豔的新功能吸引果粉搶著更新。但近來卻陸續傳出更新後的災情。有用戶上網反映，更新iOS 18後出現充電異常的情況，急著向網友尋求解決之道。
PTT的iOS版上有多位使用者紛紛陳述更新後遭遇的充電問題。一位iPhone 14 Pro的用戶發文表示，升級至iOS 18後，每天清晨5點，手機電力充到80%時便反覆發出插拔線材的「噔」提示音，讓他忍不住猜測到底是更新iOS 18的關係，還是手機本身出了問題。
有網友質疑可能是線材與充電頭的問題，但原PO回應表示，「換過線一樣，應該不是線跟頭的問題，因為他（手機）只有在充到80%時才會這樣，80%之前不會，才想說問一下有沒有人有一樣的問題」。
以下文章來自: https://www.chinatimes.com/realtimenews/20240925005244-260412
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