Surface-mount dual-feeder ISM-band antenna
15-02-2016 |
Digikey
|
Design & Manufacture
Offering two antennas within one slim compact module, Abracon's APAMSJ-147
dual-feeder antenna is now available from Digi-Key.
The device supports an active GNSS antenna as well as a passive cellular
antenna combined in one module. Cable 1 feeds the GNSS antenna, an active
dual-band GPS/GLONASS ceramic patch with LNA, providing a high gain, low
noise suitable for modern GNSS receivers. The GNSS section offers a high
gain LNA of 26dB - 27dB over a supply voltage of 3V - 5V, and a low noise
figure. This matched active module offers easy integration with an excellent
VSWR of 1.2:1, and with no additional tuning required.
Cable 2 from the antenna is a passive feed to the penta-band cellular and
UMTS antenna. This offers coverage from 825MHz to 2170 MHz spanning the
mobile bands GSM850/900, DCS1800, PCS1900, and WCDMA (Band 1 UMTS). The
passive antenna offers peak gain in low band 824MHz - 960MHz (1.5dBi) and
typical efficiency of 43%, while the high band 1710 MHz ~ 2170MHz (0.5dBi)
and typical efficiency of 32%. The overall antenna module is a compact
design being 77mm diameter x 12mm high for window mounting in vehicles. It
is suitable as an external antenna of tracking devices, and cellular mobile
communications, says the company.
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