Product size

1, Electrical Characteristics 
i) Resonate Frequency : 76~90 MHz 
ii) Impedance : 50 ohm Nominal 
iii) Radiation Pattern : Omni Directional 
iv) Polarization : Vertical 
v) Standing Wave Ratio (S.W.R): 2.0 or less at Resonate point 
vi) Insulation resistance : 500 M ohm at DC 500V 

2, Mechanical characteristics: 
The strength of fixing between sleeve and stud shall withstand the following stresses 
i)Vertical Direction: 2.0 kgs 
Rotating Direction: 2.0 kgcm