GAM-25G

GAM-25G

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  • 產品敘述
  • 產品規格

Small size and ruggedness, demand of vehicle locating and marine navigation GPS/ GLONASS antenna that will sustain harsh environment.

  • Operation temperature: -30°C to +80°C
  • Input Voltage: 2.5V~5.5V
  • Frequency range: 1575.42+1.023MHz
  • Gain: 29dB Typ.

GAM-25G is the most compact GPS/GLONASS 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-25G is compatible with almost every GPS/GLONASS 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.

Physical Condition
Dimension 25mm (L) x 25mm (W) x 9mm (H)
Weight >6 grams
Environmental Conditions
Operation temperature -30°C to +80°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 10.6mA Typ.
at 4.0V 14.6mA Typ.
at 5.0V 20.6mA Typ.
Antenna
Frequency range 1575Mhz & 1596-1610 MHz
Gain at 10o elevation 2 dBi typical
VSWR 1.5 max
Bandwidth 10 MHz min. @S11 ≤-10 dB, 24MHz typ. @S11
Polarization RHCP
Axial Ratio 3.0dB Typ.
LNA
Frequency range 1570 Mhz : 29db typ 1610 Mhz : 29db typ
Bandwidth: 50 MHz min.
Noise Figure 1.5 Typ.
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 1570 ~1610 Mhz.
Gain At 90o 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 notice

Note:1:Cable Loss=(-1.2dB/m) / Data Updated: sep 11, 2011

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