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·  （i）Dielectric Antenna

·  Nominal Frequency（MHz）：1575.42±3

· Centeri frequency MHZ (with adhesive tape on square ground plane ) :CF±3.0

· -10dB Bandwidth（MHz）min：6.0

· Return loss at center frequency dB type:-20.0

· Gain(Zenith 9090°) dBi  type : 2.0

·  Impedance（Ω）：50

· Axial Ratio dB max: 3.0

· Polarization：RHCP

·  Frequency Temperature Coefficient : 20ppm/deg.℃ Max     
Mounting method:  SMD mount

· （ii）Mechanical  
Weight （gram）＜10   
Size （mm）：18×18×4  
（iii）Environmental  
Working Temp：-40℃~+85℃  
Storage Temp：-45℃~+90℃  
Vibration：Sine sweep 1g(0-p)10~50~10Hz each axis  
Humidity：Humidity95%~100%RH