1, Electrical Characteristics 
i) Resonate Frequency : 2.4~2.5GHz 
ii) Impedance : 50 ohm Nominal 
iii) Radiation Pattern : Omni Directional 
iv) Polarization :  Vertical 
v) Standing Wave Ratio (S.W.R):   2.0 or less 

vi) Return loss:  -10 dB or less 
vii) Insulation resistance  :   500 M ohm at DC 500V   

viii) Gain:   2.15dBi

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

Rotating Direction:  2.0   kgcm