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GPS / BeiDou Antennas

Antenna-facing hardware starts with radiation geometry. GPS / BeiDou Antennas sits within Antennas & Radiating Front Ends and connects an RF chain to the propagation environment. The content focuses on frequency band, gain, beamwidth, polarization, VSWR, power handling and mechanical mounting for engineers, sourcing teams and system integrators.

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GPS / BeiDou Antennas
GNSS / BeiDou ReceiversGNSS and BeiDou receiver paths carry satellite signals from the antenna into low-noise gain, filtering, timing reference and distribution hardware. Sensitivity, rejection, delay and reference stability define the RF path.Navigation RF Front EndsNavigation RF front ends capture weak GNSS, BeiDou and timing signals before receiver processing, combining antenna paths, low-noise gain and filtering.

FAQ

What is the difference between antenna gain, directivity, beamwidth and sidelobes?

Directivity describes angular concentration, gain includes dissipative efficiency, beamwidth describes main-beam extent and sidelobes describe radiation outside that beam.

How should linear, circular, axial-ratio and cross-polarization requirements be specified?

Define linear orientation or circular sense, the viewing and coordinate convention, axial ratio, cross-polar limits and the frequency and angular region where they apply.

How are antenna VSWR, return loss, reflection coefficient and mismatch loss related?

VSWR, return loss and reflection coefficient express port mismatch; mismatch loss quantifies the accepted-power penalty, but none proves radiation efficiency or pattern.

Why can an installed antenna pattern differ from the free-space data sheet?

Ground planes, structures, cables, radomes and mounting tolerances change current distribution and scattering, which can alter match, gain, pattern, polarization and phase center.

Engineering inquiry

Share your RF requirement

Share the product, operating requirements and project context. Our engineering team will route your request to the right specialist.

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GPS / BeiDou Antennas

Antenna-facing hardware starts with radiation geometry. GPS / BeiDou Antennas connects an RF chain to the propagation environment for communication links, radar coverage, navigation receivers and field-deployed RF systems. The information is organized around how this hardware is used in an RF system.

Key data centers on frequency band, gain, beamwidth, polarization, VSWR, power handling and mechanical mounting. Those details help engineering, sourcing and integration teams compare the record against the actual signal path, mechanical boundary and operating environment.

When reviewed with model data, outline dimensions, test conditions and delivery documents, the content makes project scope, constraints and follow-up verification points easier to align early.