維生素B群在維持身體健康與正常功能方面扮演著重要角色，但它無法由人體自行合成。到底B群功效有哪些？白天還是晚上服用比較好？什麼人不能吃？過量食用是否有副作用？一次看懂B群正確吃法。

The horn antenna has a distinctive design that is enlarged towards the end. Horn antennas typically feature a directional radiation pattern with a high antenna gain of 10-20 dBi, some antennas have a higher gain such as the standard horn antenna up to 25 dBi. Horn antennas feature a low VSWR and a wide impedance bandwidth.

Double Ridged Horn Antennas are very popular from 200 MHz frequency to higher frequencies up to 40GHz. We have recently extended the usage frequency of this antenna up to 60 GHz.

This antenna's operating frequency has recently been increased to 60 GHz. The research process for the product line is still ongoing but is planned to be completed this year. To receive the most recent price and technical information on the new product, please contact us for more information.

Double Ridged Horn Antennas are suitable for both transmitting and receiving purposes, with applications:

• - Antenna measurement
• - Communication systems
• - Satellite tracking systems
• - Radar Detection System
• - Surveillance System
• - Electromagnetic Compatibility Testing (EMC test)

Recommended Accessories

• - Antenna Tripod: easy and fast-changing position. 100% stable after installing.
• - SMA Cable: High-quality special SMA cable

Learn More 

SUMMARY TABLE OF DOUBLE-RIDGED HORN ANTENNA (HA-SERIES) 

●B群是什麼？

維生素B群其實是一個大家庭的統稱，其包含了8種維生素B，包含B1、B2、B3（菸鹼素）、B5（泛酸）、B6、B7（生物素）、B9（葉酸）、B12，各自對身體有不同的作用。

Fei Teng Wireless Technology Co. Ltd

Taiwan Head Office & Manufacturer:

No.369, Sec. Litoushan, Wenshan Rd., Xinpu Township, Hsinchu County 305, Taiwan (R.O.C.) MAP

Tel:  886-3-5882899

Fax: 886-3-5882879