GNSS Antenna Insat SMA GPS Antenna
1. Application:
This application shall apply for antenna unit which shall be used with an engine for an automobile.
(For impedance 50Ω)
2. Appearance:
Antenna Unit (with radome, connector, and cable- refer to an attached drawing) Dimensions
65. 0*65.0*26.0 mm ; Radome #N
Connector SMA PLUG ; Cable RG174, 3000 mm PCB Lead free ;
3. Operating Condition:
Temperature -40 to +85 °C
4. Storage Condition:
Temperature -40 to +85 °C
Humidity 65±20 % RH
5. Electrical Specification:
All value are defined at 25±15 °C ,65±20 % RH, power handling 1 u watt, air pressure 960
±100 HPA unless otherwise noted.
Patch characteristics are measured in an anechoic chamber.
5.1 Patch Specification
Characteristics |
Specification |
Frequency Range |
L1: 1557~1606 MHz |
L2/L5: 1160 ~ 1240 MHz |
Center Frequency |
1581.5 MHz |
1200 MHz |
Peak Gain |
2.8 dBic typ |
3.2 dBic typ |
Polarization |
R.H.C.P |
Zenith Axial Ratio |
4dB Max |
The patch antenna performance is measured with the D=150 mm ground plane
5.2 Filter/LNA Specification
Characteristics |
Specification |
Frequency |
L1:1557~1606 MHz |
L2/L5: 1160~1240 MHz |
Gain |
27±3dB(1557MHz) |
25±3dB(1160MHz) |
27±3dB(1575.42MHz) |
27±3dB(1176.45MHz) |
26±3dB(1602MHz) |
25±3dB(1227.6MHz) |
25±3dB(1606MHz) |
23±3dB(1240MHz) |
Noise Figure |
2.0 dB typ |
2.0 dB typ |
Filter Outband attenuation |
40.0dB TYP.@ fo±100MHz (fo = 1557 & 1606 MHz) |
40.0dB TYP.@ fo±100MHz (fo = 1160& 1240 MHz) |
Output V.S.W.R |
2.0 typ |
2.0 typ |
Operation Voltage |
3-5V |
3-5V |
Current |
29±3 mA |
29±3 mA |
5.3 Overall Specification (Through Patch and LNA without cable loss)
Characteristics |
Specification |
Frequency |
L1:1557~1606 MHz |
L2/L5: 1160~1240 MHz |
Gain |
29.8±3dB(1557MHz) |
28.2±3dB(1160MHz) |
29.8±3dB(1575.42MHz) |
30.2±3dB(1176.45MHz) |
28.8±3dB(1602MHz) |
28.2±3dB(1227.6MHz) |
27.8±3dB(1606MHz) |
26.2±3dB(1240MHz) |
Output Impedance |
50ohm |
50ohm |
Output V.S.W.R |
2.0 typ |
2.0 typ |
Operation Voltage |
3-5V |
3-5V |
Current |
29±3 mA |
29±3 mA |