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Home --> GPS Antenna --> GPS Internal Antenna

GAM25B



Description


Quantity:

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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