1, Electrical Characteristics 
i) Resonate Frequency : 1575.42±5 MHz 
ii) Impedance : 50 ohm Nominal 
iii) Radiation Pattern : Omni Directional 
iv) Polarization : RHCP 
v) Standing Wave Ratio (S.W.R): 3.0 or less at Resonate point 
vi) Voltage : 3.0V to 5.0V 

2, Mechanical characteristics: 
Working temperature: -10°C~65°C 
Storage temperature: -25°C~80°C 

3, Others: 
Any modification of this specification has to be agreed by us