饕客嗨炸！一甕「50年黑金」現身
In broadcast engineering, a panel antenna is a directional antenna that is widely used to obtain a wireless Internet connection.
Directional antennas receive and broadcast a signal in only one direction, resulting in better signal quality.
Panel antennas, for example, are used in underdeveloped countries to improve the range and functionality of wireless Internet networks.
A panel antenna is shaped like a panel and is typically fixed on a mounting bracket on the exterior or inside of a building. It can also be mounted on a swivel mount, allowing the user to adjust the antenna for optimal signal reception. This type of antenna is usually one-directional, with less mobility side-to-side and up-and-down than an omnidirectional antenna, which can swivel and entirely change its location. Two U-bolt brackets and waterproof were supplied in one piece of packing
不少長輩都會將珍貴物品好好保存起來，因此後人在整理房屋時，總能找到寶藏。近期就有民眾打掃祖厝找到一甕「50年黑金」，畫面曝光更是引發喜愛美食的饕客振奮。
一位網友在臉書《爆廢公社公開版》上發文提到，近期一行人回到長輩過去居住的祖厝整理打掃，動手前大家還笑稱「會不會發現黃金？」沒想到卻真的找到一甕「黑金」。
一家人在祖厝中發現，曾祖母年輕時候醃的老菜脯，至今已超過五十年成為「黑金」。畫面曝光後，立刻引出不少過來人回應「真的有餐廳在收」、「頂級黑金老菜脯，愈老愈黑金…」、「這一甕現在很值錢，雖然有行無市，但真的是寶物」。
另有不少饕客直流口水喊「我有幸吃過50年的黑金雞湯，根本人間美味，我家還有一甕70年的」、「我也有我阿嬤給我的老菜脯，加香菇煮雞湯超好喝」、「保存的好的陳年菜脯，煮湯真的很好吃」、「老菜脯燉雞湯真的超好喝，什麼都不用放就風味俱足」。（編輯：潘毅）
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700MHz to 8GHz Double Ridged Broadband Waveguide Horn Antenna version 2
Model No: HA-07M08GA2-NF
Frequency: 700MHz to 8GHz
Gain: 6 dbi to 17 dBi
LxWxH: 661x430x445mm
N.W.: 8.1kg
-3dB Beamwidth: Horz.26 Deg Vert.34 Deg
Double Ridged Horn Antenna
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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.
Recommended Accessories
- Antenna Tripod: easy and fast-changing polarisation. 100% stable handling
- SMA Cable: High-quality special SMA cable
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