ADA-SMT25254
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February 2010 1/5 www.adacus.se
SMT GPS Passive Patch Antenna
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• SMT Mount
• 1575MHz (standard)
• High Performance
• 25x25x4 mm
• Suitable for embedded
applications
ADA-SMT25254 is a high
performance, high quality
passive GPS antenna module
for SMT mount with standard
reflow soldering.
It’s especially designed for
small integrated devices and
low cost production creating
high yield.
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February 2010 2/5 www.adacus.se
Specification
Category GPS
Frequency 1575.42 ± 1.023 MHz
Polarization R.H.C.P.
Bandwidth 8 MHz min Return Loss -10dB
VSWR 1.5 Max
Gain at Zenith Typ. 2.0 dB
Axel Ratio 3 dB Max
Impedance 50 Ω
Freq. Temp. Coeff. 0 ± 20ppm /
Operating temperature -40 — +105 ˚ C
GPS part size 25 x 25 x 4 mm
Weight 5 ± 0.5 grams
Mounting SMT
ROHS Compliant with EU
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February 2010 3/5 www.adacus.se
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February 2010 4/5 www.adacus.se
Dimensions
Antenna Foot Print
防焊區
Copper area
Solder Pads
DA25
ED63AB00008-027
DA25
ED63AB00008-027
防焊區
Copper area
1
2
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February 2010 5/5 www.adacus.se
Ordering codes
TYPE Description Comment
ADA-SMT25254 GPS SMT GPS antenna module
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Disclaimer
Information furnished is believed to be accurate and reliable. However, Adactus assumes
no responsibility for the consequences of use of such information nor for any
infringement of patents or other rights of third parties which may result from its use.
Adactus reserves the right to make changes without further notice to any product herein
to improve reliability, function or design. Adactus does not assume any liability arising
out of the application or use of any product described herein.
This publication supersedes and replaces all information previously supplied.
Adactus products are not authorized as critical components in life support devices or
systems.
