HAMSIAM.COM # NO.1 HAM COMMUNITY OF THAILAND

 ;D ;D ;D หิ้วมาจากต่างประเทศ(ที่ทำงาน) ว่าจะมาตั้งสถานีน้อยๆ แต่ฝันยังไม่เป็นจริง ขอขายตัวละ 5,000 บาท  สนใจจริง โทรมาต่อรองได้  ในเวปขายอยู่ $ 249 . จุ๊ฟๆๆ  อิอิ  ;D ;D ;D


Raven Inline Amplifier
GPS receiver performance can be degraded by using antenna cables that are too long (>50 feet), or by exposure to electromagnetic interference (EMI). InLine amplifiers are a convenient way to boost and filter GPS signals before they reach the receiver. They are easy to install and are designed to be rugged and waterproof, for effective use anywhere that's safe for a GPS antenna or cable.  Extended cable distance 100 feed  Gain 20 +- 2dB.


Surge arrester
Coaxial Lightning/Surge Arrester.Surge arrester suitable for remote supply with replaceable gas discharge tube. Excellent RF
service life due to minimum contact burn-off and large-area contact surface of the gas
discharge tube in a special cage.


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 ;D ;D ;D คือตัวอะไรครับมีหน้าที่ทำอะไรครับ ;D

ตัวอะไรหว่า ;D