Satellite > Communication > Antenna > GCA01 - Compact GNSS Active Patch Antenna
Summary
The EXA GCA01 is a one-stage, compact GNSS active patch antenna solution that works with GNSS cards and links to GPS, Galileo, BeiDou and GLONASS constellations. The antenna is suitable for space-grade GNSS devices to achieve good sensitivity across all bands in a small form factor.
The active patch antenna, by means of a double resonance design, has a wide-band operation over GPS/GLONASS/Galielo/BeiDou systems from 1561MHz to 1606MHz. It includes a one-stage LNA and front-end SAW filter to reduce out of band noise.
Main features:
- Flight heritage since 2018
- Active antenna, LNA integrated
- SAW filter integrated
- Custom choice of connectors
- Designed for LEO missions and requirements
- Manufactured according to NASA and ESA space standards and materials
- Functional, performance, thermal bake out and vibration tests provided w/documentation
- Compatible and compliant with standard deployers and CubeSat Standard
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Last updated: 2022-04-26
Specs
lead time
Immediately available
mass
11.38 g
width
25.1 mm
length
25.1 mm
height
4.7 mm
7.9 mm (including shielding case)
7.9 mm (including shielding case)
operating temperature
-40 to 85 C
polarization
RHCP
frequency
GPS: 1575.42 ± 1.023 MHz
Galileo: 1575.42 ± 4 MHz
GLONASS: 1602 ± 5 MHz
BeiDou: 1561.098 ± 2.046 MHz
Galileo: 1575.42 ± 4 MHz
GLONASS: 1602 ± 5 MHz
BeiDou: 1561.098 ± 2.046 MHz
antenna gain (ceramic patch only)
GPS/Galileo 1575.42 MHz: -2.5 dBi typ. at zenith
GLONASS 1602 MHz: -1.5 dBi typ. at zenith
BeiDou 1561 MHz: -1 dBi typ. at zenith
GLONASS 1602 MHz: -1.5 dBi typ. at zenith
BeiDou 1561 MHz: -1 dBi typ. at zenith
impedance
50 Ohm
output VSWR
< 2.0
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