Compact & Sensitive GPS Antenna Module with Excellent Signal Amplification for Mobile Applications
GAM-25B is the most compact GPS antenna module currently available on the market, thanks to our cutting-edge technology that makes the device the tiniest possible without sacrificing performance. With comprehensive coverage almost all the way to the horizon, it performs excellently in foliage or urban canyon environment. Featuring diminutive but substantial enclosure plus unparalleled performance, GAM-25B is compatible with almost every GPS receiver model available on the market and provides a perfect alternative for a vast range of GPS applications in the fields of AVL, vehicle navigation, aviation and military.
SPECIFICATIONS:
Specification |
Physical Condition |
Dimension |
48mm (OD) x 8.5mm (H) |
Weight |
>30 grams |
Environmental Conditions |
Operation temperature |
-40°C to +100°C |
Storage temperature |
-40°C to +100°C |
Relative Humidity |
40% to 95% |
Electrical Specifications |
Input voltage |
2.5V~5.5V |
Power Consumption |
at 2.5V 6.6mA Typ. |
at 3.0V 8.6mA Typ. |
at 4.0V 12.6mA Typ. |
at 5.0V 16.6mA Typ. |
Antenna |
Frequency range |
1575.42 ± 1.023 MHz |
Gain at 10° elevation |
-1 dBic Typ. |
Gain at Zenith |
5.0 dBic Typ. |
Bandwidth |
10 MHz min. @S11λ-10 dB |
Polarization |
RHCP |
Axial Ratio |
3.0dB Typ. |
LNA |
Frequency range |
1575.42 ± 1.023 MHz |
Gain |
28dB +/-3db |
Noise Figure |
1.5. |
Filter |
20dB 25dB @ fo+/- 50MHz
30dB 35dB @ fo+/- 100MHz
* fo=1575.42MHz |
Output Impedance |
50 ohm |
Output VSWR |
2.0 max. |
Total Specifications(Through Antenna, LNA, Cable and Connector) |
Frequency range |
1575.42 +/- 1.023 MHz |
Gain |
At 90° vertical to sky 30 ± 4.5dBi
(cable loss) Note:1
Mounted on the 60mm x 60mm square ground plane |
Output Impedance |
50 ohm |
VSWR |
2.0 max. |
*This specification is subject to change without prior noticeNote:1:Cable Loss=(-1.2dB/m)Data Updated: Mar 23, 2009
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