SPK Electronics Co. Ltd

Model Number: GPS-12x12 PCB Module antenna Brand Name: Professor Key Specifications/Special Features: Application: for antenna units used with or in automobile (50 impedance)Appearance:Antenna unit dimensions: 11.90 x 11.90 x 6.35mmWeight: 4.35±1g (typical)Operating condition:Temperature: -40 to +90°CHumidity 10 to 95% RHStorage condition:

• Temperature: -40 to +90°C
• Humidity: 10 to 95% RH

Electrical specification:

• All values are defined at 25 ± 15°C, 65 ± 20% RH, power handling 1u.watt, air pressure 960 ± 100 HPA less noted
• Patch characteristics are measured with 50 x 50mm ground plane in an anechoic chamber

Patch:

• Center frequency: 1575.42 ± 1.023MHz (when covered with a radome and measured by LNA ground plane)
• Bandwidth (10dB return loss): 5MHz minimum at S11≤-10dB
• Gain at Zenith: 1dBic typical gain at 10°elevation: -7 dBic minimum
• Polarization: RHCP
• Axial ratio: 3dB typ

Filter/LNA characteristics specifications:

• Center frequency: 1575.42 ± 1.023MHz
• Gain: 27dB typical
• Noise figure: 1.5dB typical
• Output VSWR: 2.0 maximum
• Voltage: 2.3 to 5.5V
• Current:
  • 2.5V: 6.6mA typical
  • 3V: 8.6mA typical
  • 4V: 12.6mA typical
  • 5V:16mA typical