توضیحات
آنتن antenna spring 315MHZ:
This 315MHZ 38mm Copper spring antenna is for 315MHZ wireless data transmission or metar antenna for communication system design.
It has good VSWR performance,compact dimensions,clever structure,easy installation,stable performance,with good anti-vibration and aging ability.
FREQ Range: 315MHZ(+/-5)
V.S.W.R：<= 1.5
Input Impedance( OHM)：50
Gain(dBi)：2.15dBi
DIAM for the Spring wire（mm）：0.6MM
Diameter(mm) for the Spring ：5MM
Total Length: 26MM
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