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)
iPhone 16價格狂跳水!貶值速度創史上最快 1關鍵淪敗筆

蘋果iPhone 16系列手機9月20日正式發售,但買氣似乎不如預期,根據國外二手交易平台SellCell調查,iPhone 16 的貶值速度是歷代最快,跌價原因可能與消費者對產品的預期需求未達標有關。
SellCell統計超過40家二手商價格,赫然發現iPhone 16系列上市兩週後,回收價平均減少467.46美元(約1萬5155元),跌幅高達41.2%,前代iPhone 15、14系列同期只減少389美元及369.93美元,貶值33.2%與33%。
過去蘋果產品以保值性強著稱,該份調查報告顯示,iPhone 16貶值速度創下史上最快,原因可能與消費者對產品的預期需求未達標有關。
文章來自: https://www.chinatimes.com/realtimenews/20241018001864-260412